Matters ▸ Attachment
Somerville Linkage Report_Final_Draft_3_14_13 — File 194513
P.O. BOX 425575 KENDALL SQUARE CAMBRIDGE, MA 02142
[phone removed] FAX [phone removed]
www.kfsconsulting.com
Somerville Linkage Fee Nexus Study
Final Report
to
City of Somerville
Office of Strategic Planning and Community Development
Submitted by:
Karl F. Seidman Consulting Services
and
ConsultEcon, Inc.
March 2013
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Table of Contents
Introduction
page 3
I. Somerville Development Potential and Future Development
page 4
II. Impact of Large Scale Development on Affordable Housing Demand
page 12
III. Subsidy Required to Mitigate Impact of Large Scale Development
page 15
IV. New Development, Resident Employment and Jobs Linkage Fee
page 31
V. Review of Commercial Linkage Policies and Nexus Studies
page 39
VI. Linkage Fee Policy Options
page 44
VII. Recommended Linkage Fees and Policies
page 51
Appendix A: Data Tables on Somerville Housing Market
page 54
Appendix B: Summary Data from Employee Survey
page 63
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Introduction
The City of Somerville established a development linkage fee in 1990 to address the impact of
large-scale development projects on the supply and cost of affordable housing. Over the past
decade, since the original linkage fee was reviewed and updated, the regional economy,
commercial real estate market and Somerville’s development opportunities have changed while
rents and housing development costs have increased greatly in Somerville and the Boston region.
New residential, mixed-use and retail development is being constructed under a new Master Plan
for the Assembly Square area. Somerville has adopted a new comprehensive plan that provides
for higher density development and infill development, especially around new planned MBTA
transit stations. Changed economic conditions, new development plans, and continued growth in
housing costs all suggest that the impact of new development on the demand of low- and
moderate-income housing in Somerville is different today than in 2002, when the last nexus
study and linkage fee review was conducted. Moreover, with the prospect for substantial
employment growth, the Office of Strategic Planning and Community Development is also
interested in policies to better connect low-income city residents to these new jobs.
Consequently, this report also considers the basis for jobs linkage policy to fund employment
and training services to achieve this goal.
This report provides a nexus study to quantify the impact of future commercial development on
the need for affordable housing in Somerville and services to help low-income city residents
benefit from job opportunities in new development projects. Based on this analysis, it
recommends changes to the City’s linkage fee and polices to address these needs. The report
presents its analysis and recommendations in seven sections. The first section presents a likely
development scenario for Somerville over the next decade, based on its development capacity,
planned projects and regional economic and market conditions. The scale and type of future
development determines the number and type of jobs created in Somerville, which drives new
affordable housing and employment and training needs. In the second section, the job
composition from the ten-year development scenario is converted into specific demand for
affordable housing units based on the share of employees who will seek housing in Somerville
and the likely distribution of household income among these employees. Next, data on housing
market conditions and development costs are applied to determine the linkage fee level needed to
fund the additional affordable housing required to address the demand generated by large
development projects. The fourth section reviews the impact of new development on resident
employment opportunities, particularly for low-income residents, considering gaps in the supply
of city residents for employer occupational needs and employment barriers faced by low-income
and less skilled workers. In the fifth section, linkage policies in other communities are
reviewed to assess how Somerville’s linkage fee may impact its competitiveness in attracting
new development and identify established and best practices to inform Somerville’s policy
recommendations. A sixth section considers several policy options for Somerville’s linkage fee,
including varying the fee by project type and size, altering current exemptions and phasing in
fees for the now exempt first 30,000 square feet of a development. This section also considers
the potential impact of Somerville’s linkage fees on the city’s competitiveness in attracting
development and tenants. The final section proposes recommendations for changes to the City’s
linkage fees and policies: first for the affordable housing fee and next for a new jobs linkage fee.
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I. Somerville Development Potential and Future Development
Somerville has significant capacity and plans to support new retail and commercial development.
Its recent comprehensive plan calls for developing 10.5 million square feet of new development
over the next 20 years to house 30,000 new jobs. The bulk of this new development (9 million
square feet) is envisioned through utilizing 292 acres of buildable land in five targeted
transformation areas: Assembly Square, Inner Belt, Brickbottom, Boynton Yards and Union
Square. As Table 1 shows, 2.6 million square feet, almost one-quarter of this new development,
are currently in the planning stages or under construction. The approved Assembly Square
Master Plan accounts for over 85% of this planned investment, including 1.75 million square feet
of office, research and development or other business space and 512,000 square of retail and
restaurant space. Moreover, three projects in Assembly Square account for 98% of the new
retail, restaurant and commercial space under construction in Somerville.
Table 1. Somerville Retail and Commercial Development under Construction and Planned
Type of
Development
Under
Construction
Permitted or
Planned
Total
Retail
152,629
194,471
347,100
Restaurant
50,376
64,384
114,760
Cinema
60,000
0
60,000
Hotel
0
99,318
99,318
Office/R&D/Other
5,000
1,980,000
1,985,000
Total
268,005
2,338,173
2,606,178
Source: Somerville OSPCD and Federal Realty Investment Trust
Market Demand and Expected Absorption
New employment and the resulting demand for housing in Somerville, however, depends on the
actual absorption of new real estate space by new and expanding Somerville employers and the
city’s success in attracting business growth within its market area and immediate region.
Historic absorption data for the market areas that generate demand for Somerville commercial
and industrial real estate indicate that demand over the next decade is likely to be below the level
of planned development and full build-out.
Commercial development in Somerville is linked to demand in two real estate markets:
Cambridge and the Boston North Market Area that includes Somerville, Everett, Malden,
Medford and 10 other communities. Based on data from Jones Lang LaSalle, absorption of new
office space for these two markets in the past decade has averaged 350,000 square feet, as
follows:
• From 2002 through 2011, absorption averaged 16,077 square feet per year in Somerville,
147,023 square feet per year in Cambridge and 204,408 square feet per year in the Boston
North Market Area;
• Average annual absorption was higher in Somerville and the Boston North Market Area
over the past five years, at 24,833 and 251,519 square feet, respectively.
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• Cambridge had lower absorption from 2007 to 2011, averaging 40,350 square feet
• For industrial research and development space, average absorption in the Boston North
Market Area was negative 76,241 square feet over the 10 year period and negative 14,340
from 2007 to 2011.
These trends indicate that most of employer-based regional demand for real estate is for office
space rather than industrial R & D space. Moreover, the data show that Somerville’s absolute
level and share of absorbed office space have grown since 2007. Average annual absorption
increased from 7,321 square feet during 2003 to 2006 to 24,833 from 2007 to 2011; as a result its
share of absorbed space for the combined Cambridge and Boston North Market Area grew from
under 2% to over 8%.
Table 2. Real Estate Absorption and Supply in the Cambridge and North Market Areas,
2002 to 2011
Market Indicator
Somerville
Cambridge
Boston
North
Market Area
Average Annual Office Absorption
16,077
147,023
204,408
Average Annual R&D Absorption
NA
NA
-76,241
Total Increase in Office Supply
192,000
493,056
2,323,208
Total Increase in R&D Supply
NA
NA
44,873
Average Annual Increase in Office Supply
19,200
56,321
237,227
Average Annual Increase in R&D Supply
NA
NA
-3,616
Source: Jones Lang LaSalle Real Estate Market Data
There is a sizable supply of vacant space that remains from the recent recession, which may slow
the pace of new development and absorption in the near future. Vacant office space exceeded
1.7 million square feet in the Boston North Market Area, 742,000 in Cambridge and less than
83,000 square feet in Somerville. Available space, which includes space under lease but
unoccupied and thus available to sub-lease to firms, is higher at 2.175 million square feet in the
Boston North Market Area, 1.4 million square feet in Cambridge and 88,000 square feet in
Somerville. With a lower level of available office space, Somerville will need to develop new
office space to accommodate firms seeking to locate in the city that need a large amount of
space.
While Somerville’s growth in supply and absorption of new class A office space has been
modest over the past decade (192,000 and 206,000 square feet, respectively), the city has the
potential to capture a larger share of the market demand over the next decade due to its price
differential with Cambridge and Boston and the addition of a new rapid transit stop at Assembly
Square within the next two years. Over a longer term, the Green Line expansion may also help
attract new development and businesses to Union Square and other commercial areas.
While some developers point to declining development opportunities to add new commercial
space in Cambridge, there is still a healthy pipeline of commercial projects in Cambridge that are
either under construction or permitted (see Table 3). Moreover, over 75% of the new office
development permitted and under construction is in East Cambridge, the area most proximate to
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6 Karl F. Seidman Consulting and ConsultEcon
Somerville’s key Assembly Square area. Consequently, Somerville may still face challenges in
attracting high profile tenants, such large biotech, pharmaceutical and IT companies that seek
proximity to Harvard, Cambridge and other firms in their industry. Moreover, Somerville will
need to remain conscious of maintaining a price differential with Cambridge to grow as a
competitive location, especially for more established businesses seeking a large amounts of
space.
Table 3. Cambridge Office Projects Under Construction and Permitted as of June 2012
Project Status
Total
Square
Feet
East
Cambridge
Share
Under construction
371,580
29%
Permitted*
3,789,620
82%
Total
4,161,200
77%
Source: Cambridge Development Log, 2nd Quarter 2012
*Includes 1,573,703 square feet at North Point
Based on its growing market position over the past five years, the addition of a new Orange Line
station, its price advantage over Cambridge and the presence of significant permitted
development in Assembly Square, we estimate that Somerville can capture 12% of demand from
the Cambridge market area and 8% of demand from the Boston North Market Area over the next
10 years. Based on absorption levels over the past decade, this will yield 34,000 square feet in
new annual absorption. However, Jones Lang LaSalle data underestimate total absorption since
they omit non-leased single-user buildings and some other buildings. Based on the assessor’s
records of office and mixed-use office and retail buildings, the Jones Lang LaSalle inventory
accounted for 69% of the space in these buildings. To adjust for these omissions, the projected
absorption of new office and research and development space is increased by 45% to 49,300
square feet. Over a 10-year period, this will result in the occupancy of 493,000 square feet of
new office and/or research and development space. Although this projection is based on average
annual office space absorption, the actual development and absorption of new space is likely to
come in large amounts of 100,000 square feet or more as new office buildings are built.
Several factors could result in far more new development in Somerville over the next decade.
First, a developer may succeed in attracting a single user that requires a large block of space.
This is the focus of Federal Realty Investment Trust in its plans for office development in
Assembly Square. Somerville might secure either a major biotech research and development
facility or a New England or Northeast regional headquarters for an expanding engineering,
software or professional services firm. Second, the new Orange line station at Assembly Square
and amenities provided by the new retail development will make this location more desirable to
employers and could accelerate the absorption and development of space there, similar to the
effect of the Red Line station in Davis Square. Finally, an extended and accelerated economic
recovery would increase Somerville’s cost advantages as supply declines and rents increase,
enhancing its ability to attract tenants who might otherwise locate in Cambridge or Boston, in the
second half of the decade. Since the likelihood and impact of these factors is uncertain, this
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7 Karl F. Seidman Consulting and ConsultEcon
report uses the development scenario based on historic absorptions and current market
conditions.
In addition to the projected office absorption, Somerville is expected to gain 363,000 square feet
of new retail, restaurant and cinema space through projects under construction in Assembly
Square, additional retail development planned for Assembly Square and new ground floor space
incorporated in future office development. The components of this expected retail development
include:
• 153,000 square feet of retail space under construction at Assembly Square and 50
Middlesex Avenue
• 50,000 square feet of restaurant space under construction at Assembly Square
• 70,000 square of new retail and 30,000 square feet of new restaurant space developed in
conjunction with new office development (assuming ground space floor is 20% of a four
floor building)
Finally, our scenario assumes that Somerville will attract one of the new hotel developments
being proposed, at an assumed size of 45,000 square feet1.
Table 4. Summary of Expected Development, 10 Year Period
Type of Use
Projected Square Feet of
Development
Office
493,000
Retail
223,000
Restaurant
80,000
Cinema
60,000
Hotel
45,000
Total
901,000
Expected Tenant Businesses
To determine the likely jobs and earnings from this new development, the industries likely to
occupy the expected new office space need to be projected. Since new tenants will arise from
employers and industries within the greater Somerville area, regional employment trends for
industries that occupy office and research and development space were used to make these
projections. For this analysis, data for both Somerville and the Metro North Service Delivery
Area (SDA), a twenty-community area that includes Cambridge, Somerville and surrounding
communities2, were used. The SDA region was chosen since detailed economic data exists and it
most closely corresponds to the Cambridge and Boston North real estate market areas. Since
1 Assumes 100 rooms at 350 square feet per room and rooms accounting for 80% of building space.
2 The 20 communities in the Metro North region include: Arlington, Belmont, Burlington, Cambridge, Chelsea,
Everett, Malden, Medford, Melrose, North Reading, Reading, Revere, Somerville, Stoneham, Wakefield,
Watertown, Wilmington, Winchester, Winthrop, and Woburn
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8 Karl F. Seidman Consulting and ConsultEcon
demand for new space will arise from both existing employers who may relocate and growing
industries, it is important to consider both the large existing industries and fast growing ones.
Existing Employment Base
Services constitute the primary economic sector for both the Metro North SDA and Somerville,
accounting for 51% and 55% of 2011 employment, respectively. (See Figure 1 for a distribution
of Metro North private employment by sector). Moreover, services also were the largest engine
of job growth for the region, adding over 13,400 jobs from 2002 to 2011, a period when overall
private sector employment declined by 4,321. Information industries, which include software,
internet services, publishing and broadcasting, were another growth sector that added 1,700 jobs
in this period.
Source: Massachusetts Department of Labor and Workforce Development ES-202 Data Series
Four industries accounted for 84% of the region’s service sector employment in 2011:
• Professional and Technical Services, with 51,496 jobs (including 20,583 in scientific
research and development)
• Health Services, which employed 40,828;
• Educational Services, with 30,935 jobs; and
• Administrative and Waste Services, with 23,301 employees.
3.7%
7.1%
18.7%
5.0%
5.1%
23.5%
23.6%
8.9%
4.1%
Figure 1. 2011 Private Employment by Sector
Metro North SDA
Construction
Manufacturing
Trade, Transportation and
Utilities
Information
Financial Activities
Professional and Business
Services
Education and Health Services
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9 Karl F. Seidman Consulting and ConsultEcon
By contrast, the entire finance, insurance and real estate sector employed 17,591workers in 2011,
75% of the jobs within the smallest (i.e. Administrative and Waste Services) of the four service
industries. These four industries also were the majority of Somerville’s service base, with 8,202
jobs or 53% of the city’s service employment in 2011. Health Care and Administrative and
Waste Services were by far the two largest industries within the Somerville service sector: each
had over 3,000 jobs. However, Somerville’s service employment growth over the last decade
largely came from Health Services which added almost 1,000 jobs from 2002 to 2011 followed
by Professional and Technical Services, which grew by 137 jobs (primarily in computer systems
design). For the Metro North SDA, health care and scientific and technical services were the
main engines of service sector growth. Each of these industries added over 8,000 jobs from 2002
to 2011. Moreover, their combined expansion exceeded the net growth in total service sector
jobs by 2,932, indicating that many other services industries declined over this period.
Growth Industries
Table 5 summarizes absolute job growth from 2002 to 2011 for expanding industries in the
Metro North area that are users of office space. These data show that health services, scientific
and technical services and software publishers accounted for 84% of employment growth over
past decade. These three industries are likely to constitute a significant portion of growth in
Metro North region given the importance of major research universities, biotechnology and
information technology in the local economy. The outlook for health care is more mixed.
Growth may slow with increased efforts to control health care costs, on the one hand, while an
aging population and expanded health coverage under federal health care reform are likely to
fuel industry growth.
Table 5. Job Growth from 2002 to 2012 for Expanding Regional Industries
Industry
Job Growth
Percent of Total
Health Services
8,097
34.6%
Scientific Research and
Development Services
8,250
35.3%
Software Publishers
3,315
14.2%
Management & Technical
Consulting Services
825
3.5%
Administrative and Waste
Services
726
3.1%
Individual and Family Services
1,656
7.1%
Membership Organizations &
Associations
529
2.2%
Total , 7 industries
23,298
100%
Source: Massachusetts Department of Labor and Workforce Development ES-202 Data Series
A second factor in projecting future tenancy is developers’ plans for proposed projects. The
primary office space development projects are Assembly Square and North Point. Federal
Realty Investment Trust is targeting large office tenants including biotechnology, financial
service companies and corporate management offices. North Point is looking to attract the type
Somerville Linkage Study
10 Karl F. Seidman Consulting and ConsultEcon
of tenants located in Kendall Square, including biotechnology, information technology and other
technology-intensive firms. These targets are consistent with the importance of software and
scientific and technical research industries but down play the potential importance of health care
services as one of the largest and fast growing users of office space. However, commercial
brokers indicate that many biotechnology firms prefer to locate close to MIT, which may reduce
the share of biotechnology growth attracted to Somerville. Brokers and developers also noted
that younger IT firms are facing large rent increases if they remain in Cambridge and thus are
strong target tenants for new office development in Somerville which can offer a lower rent. For
these reasons, the projected development is weighted more heavily toward computer and IT-
related tenants than scientific research and development (biotech) firms, even the later has a
larger employment base and grew more in the past decade. Based on recent growth trends and
developer plans, the distribution of tenants for the 493,000 square feet of new office
development over the next decade is expected to be:
• Scientific Research and Development (including biotechnology) 25%
• Health Services 25%
• Software Publishers 25%
• Computer Systems Design and Related Services 15%
• Management & Technical Consulting Services 5%
• Financial Services 5%
The first three industries are large and growing industries. Computer Systems Design is a large
IT-related industry that has been growing in recent years after declining from 2002 to 2006.
Management and technical consulting services is a smaller industry but it has been growing over
the past decade. Financial services are included due to its large presence in Boston and as a
prospective industry by the major office developer.
Retail Tenants
Two-thirds of the new retail space consists of the retail center now under development at
Assembly Square. Federal Property’s plan for this retail space construction is for an outlet style
mall, which will emphasize clothing and accessory stores. The other retail stores projected for
the ground floor space of office buildings are a mix of a pharmacy (10,000 square feet), clothing
stores (10,000 square feet), specialty food, liquor and convenience stores (10,000), miscellaneous
retailers, such as florists, gift or office supply stores (15,000), personal care services (10,000),
and bank branches (15,000).
Table 6 summarizes the square footage and number of jobs projected to occur in Somerville over
the next 10 years by use and tenant type. These projections were used to estimate occupations
and wage levels for new employees working in the expected new buildings. Employment
projections assume one new employee per 225 square feet of new office space; this figure
reflects a growing trend for higher employee density in office building and the observation by
some developers that firms are utilizing less office space per employees in new locations.
Assumptions for the retail and service tenants are: one employee per 300 square feet for the
pharmacy, one employee per 500 square feet for clothing stores, one employee per 400 square
Somerville Linkage Study
11 Karl F. Seidman Consulting and ConsultEcon
feet in other retail space, one employee per 250 square feet for the bank branches and personal
care businesses, one employee per 150 square feet for restaurants and one person per 1,000
square feet for the cinema complex. Hotel employment is projected at one employee per room,
which assumes a mid-price full service hotel.
Table 6. Projected New Somerville Development by Use and Tenant Type
Use/Tenant Type
Projected Square Feet
Estimated New
Employment
Office: scientific R&D
123,250
548
Office: health services
123,250
548
Office: software
123,250
548
Office: computer systems design
73.950
329
Office: management & tech services
24,650
110
Office: financial services
24,650
110
Total Office
493,000
2,191
Retail: clothing
163,000
326
Retail: pharmacy
10,000
33
Retail: food, convenience
10,000
25
Retail: miscellaneous
15,000
38
Retail: personal care
10,000
40
Bank branches
15,000
60
Cinema
60,000
60
Restaurants
80,000
533
Hotel
45,000
100
Total Retail, Restaurant and Services
408,000
1,215
Total All Uses
901,000
3,406
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12 Karl F. Seidman Consulting and ConsultEcon
II. Impact of Large Scale Development on Affordable Housing Demand
Using the 10-year development scenario and employment projections summarized in Table 6,
this section forecasts the demand for affordable housing in Somerville that will result from this
development. Since this analysis utilizes several data sources and assumptions to prepare the
forecast, a full explanation of the methodology used is provided along with the final results.
Since demand for affordable housing is tied to household income, the first step projects the
distribution of new jobs by earnings. Using 2010 national data for each industry’s occupational
distribution, the number of new jobs in 22 occupational categories was calculated for each
industry. Earnings were then estimated for these occupations for each of the 15 industries
expected to occupy new development. These earnings were based on the median annual
earnings for the respective occupation during 2011 in the Boston North Metro labor market area.
These calculations yielded the projected number of jobs at different annual earning levels by
industry. Figures were then aggregated by income categories that correspond to HUD’s FY2011
Boston PMSA limits for low-income households between one to five persons. Table 7 presents
the resulting distribution of new jobs in large office and retail developments by income category.
Table 7. New Jobs by Income Category in New Large Retail and Office Developments
Income Range
Number of New Retail
and Non-Office Jobs
Number of New
Office Jobs
Total Number of
New Jobs
0 to $44,950
1,143
671
1,814
$44,951 to $51,400
12
21
33
$51,401 to $57,800
5
42
47
$57,801 to $64,200
0
11
11
$64,201 to $69,350
0
0
0
$69,351 and up
52
1,445
1,497
Total
1,212
2,190
3,4023
Source: Karl F. Seidman Consulting Services
Since new employees will live in a variety of communities, it is necessary to determine what
share will demand housing in Somerville. To estimate the percent of new employees who will
demand housing within the city, employees in large office, industrial and retail buildings were
surveyed in October and November 2012. This survey asked employees whether they moved to
or sought housing in Somerville as a result of their job in Somerville and whether they planned
to move to Somerville over the next five years. Based on the survey results4, the percentage of
new employees who are expected to demand housing in Somerville is 17.5% for office workers
and 6.8% for retail workers. These percentages were multiplied by the gross number of new jobs
in each income group and development type to project the demand for new housing by employee
earnings. Table 8 summarizes this data.
3 This total new job figure of 3,402 is slightly less than the 3,406 projection in Table 6 due to the rounding of
fractional results the occupational employment projections.
4 1,691 surveys were distributed to employees in 8 retail businesses, 15 office tenants and 6 industrial firms in large
office buildings, industrial building and retail center with 477 surveys returned for a 28% response rate.
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13 Karl F. Seidman Consulting and ConsultEcon
Table 8. Somerville Housing Demand Generated by New Large Retail and Office
Developments by Income Category
Income Range
Retail and Non-
Office Workers
Seeking
Housing in
Somerville
Office Workers
Seeking
Housing in
Somerville
Total
0 to $44,950
78
117
195
$44,951 to $51,400
1
4
5
$51,401 to $57,800
0
7
7
$57,801 to $64,200
0
2
2
$64,201 to $69,350
0
0
0
$69,351 and up
4
253
257
Total, All Incomes
83
383
466
The final step in projecting demand for affordable housing units among the 466 employees who
are expected to seek housing in Somerville requires considering their household type. Both the
number of wage-earners in the employee’s household and the household size are relevant to this
determination. Since the workers in Somerville’s new developments will be drawn from the
greater Boston area, 2006 to 2011 American Community Survey data for the Boston-Cambridge
Quincy Metropolitan Area5 on the distribution of households by number of earners and
household size was used to estimate the type of households in which these employees will live.
This data provided a matrix for the distribution of household by size for single earner and
multiple earners household that was applied to the new employees expected to seek housing in
Somerville. Among households with workers, 48% had one wage earner, 41% had two or more
wage earners, and 11% had three or more wage earners. The distribution of each type of wage-
earner household by total household size is shown in Table 9.
Table 9. Household Size by Number of Wage-Earners,
Boston-Cambridge Quincy Metro Area
Number of
Wage
Earners
Percent 1
Person
Percent 2
Persons
Percent 3
Persons
Percent 4 or
More
Persons
One Earner
40.5%
28.0%
13.8%
17.7%
Two Earners
45.3%
22.3%
32.4%
Three Earners
33.0%
67.0%
These percentages were applied to the number of projected new workers in each occupation to
estimate their household composition. For the single earner households, the median wage for the
occupation was used to estimate their household income and determine if they fell below the
5 The formal name of this geography is the Boston-Cambridge-Quincy New England City and Town Area
Metropolitan Division
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14 Karl F. Seidman Consulting and ConsultEcon
HUD low-income and very-low income thresholds. Seventy single earner households are
estimated to be low-income (less than 80% of area median income), of which 57 would be very
low-income (at 50% or less of the area median income). Projecting affordable housing demand
among multiple-earner households is more complicated since it requires estimating the earnings
from other wage earners. To simplify this analysis, all households with three of earners were
deemed to be above the low-income threshold, as the lowest median wage across occupations
was $24,656 and three times this wage would be almost $74,000—above the low-income limit
for a family of five.
Using the distribution and median income of occupations for the Boston-Cambridge-Quincy
Metropolitan Area, a probability was calculated for each first employee occupation that the
second earner’s pay would be below the low-income threshold for a three or four person
household. This probability was then applied to the number of estimated two-earner households
for the respective occupation to project the number of two-earner low-income households. For
example, among food preparation and service workers, 14 are estimated to seek housing in
Somerville and live in a household with two employed workers. The probability that the second
worker will have an occupation such that the combined household income is below $64,200 (the
low-income limit for a 4 person household) is 50%. This 50% probability was multiplied by 14
to yield an estimated 7 of these households that will be low-income. Similarly, 27 workers in
office administration jobs are expected to be in two-earner households and seek housing in
Somerville. However, since these workers have a higher median wage ($39,307), the probability
that household income with the second wage earner will be below $64,500 is only 8%.
Consequently, there are only two low-income households estimated for two-earner households in
which the first worker holds an office administration position. Across all the occupations, the
resulting number of two-earner low-income households is 19, of which 18 are projected to be
very low-income. This brings the total number of affordable housing units needed to meet
the demand generated by large office and retail development to 89 units. Table 10
summarizes the total projected demand for new affordable housing by household size and among
low and very low-income households.
Table 10. New Affordable Housing Demand in Somerville from Large Office and Retail
Developments by Income Type and Household Size
Income Group
One-Person
Two-
Person
Three Person Four Person
Total
Very-Low
11
1
0
19
31
Low
27
0
13
18
58
Total
38
1
13
37
89
Somerville Linkage Study
15 Karl F. Seidman Consulting and ConsultEcon
III. Subsidy Required to Mitigate Impact of Large Scale Development
This analysis builds upon the framework established in the earlier sections to project the total
subsidy required to mitigate the increased demand for affordable housing generated by large-
scale developments in Somerville. Housing affordability is a function of household income6 and
the cost of available rental and for-sale housing units in a given real estate market. The City of
Somerville and the entire Metropolitan Boston region suffer from a well-known and
demonstrated lack of sufficient affordable housing. This section demonstrates the need for an
affordable housing mitigation of the impacts of new commercial development by comparing the
total development cost of new affordable housing units to the housing prices that can be
supported by low- and very-low-income households. Before calculating the subsidy required,
current housing conditions in Somerville are reviewed to provide background and context.
Housing Conditions in Somerville
The basis for imposing a development impact fee is that there is a nexus between job-creating
development and the increased demand for affordable housing. Before presenting the
methodology used to calculate the subsidy required to mitigate the housing impact of large-scale
development, this section presents a summary of current market conditions in Somerville.
Detailed statistical data on Somerville’s population, household, housing stock and housing
market conditions appear in Appendix A.
The City of Somerville continues to experience a sustained affordable housing crisis. It was
noted in the 2003 study that Somerville has a very low rental vacancy rate, is losing existing
rental housing due to condominium conversions, and has limited vacant land for new
construction. These trends have continued to be a factor in the availability and cost of housing in
Somerville. As reported by the U.S. Census Bureau, the rental vacancy rate in Somerville
increased from 1.6 percent in 2000 to 3.6 percent in 2010. Despite this increase, the rental
vacancy rate is still low when compared to the rates across the Boston region and the
Commonwealth of Massachusetts as whole. In 2010, the rental vacancy rates were 5.9 percent in
the Boston region and 6.5 percent in the Commonwealth. Data from the Census Bureau also
indicates that median gross monthly rental payments among Somerville renting households has
increased 48.6 percent, from $874 in 2000 to $1,299 in 2010.7 The increase in the cost of rental
housing in Somerville is increasing faster than the general rate of inflation nationally, as
indicated by the Consumer Price Index (CPI). Between 2000 and 2010, CPI increased from
172.2 to 218.1, a 26.6 percent increase, which would indicate that Somerville households are
devoting an increasing share of their financial resources to housing. Census data are supportive
of this finding. In 1999, approximately 37 percent of renting households devoted 30 percent or
more of their income to (gross) rent; in 2010, approximately 45 percent of households did so.
6 This analysis uses Department of Housing and Urban Development (HUD) definitions of very low income (50
percent or less of metropolitan area median family income (AMI)), low income (50 to 80 percent of AMI), and the
percent of income to be devoted to shelter (30 percent).
7 This 2010 figure is based on the Census Bureau’s American Community Survey 5-year (2006 to 2010) estimates.
Somerville Linkage Study
16 Karl F. Seidman Consulting and ConsultEcon
According to Census housing data, Somerville had a net gain of 1,243 housing units between
2000 and 2010. However, the city lost 182 units of rental housing over the same period. The net
increase in total housing units, therefore, is due to the increase in owner-occupied housing units
and an increase in vacant housing units, which may be vacant for sale or for rent during the
survey period. The conversion of rental units to condominiums is likely a source for much of
this increase in ownership units. According to City of Somerville Assessing Department data,
the number of residential condominiums increased from 1,821 units in fiscal year (FY) 2005 to a
projected 4,379 units FY 2013. The annual increase has slowed somewhat in recent years, due to
the economic recession. However, this ongoing trend has the effect of reducing the amount of
rental housing, which is most often consumed by low-income households. The contracting
supply in rental housing may also increase rent levels, thereby making more rental units
unaffordable to low-income households.
The converted condominiums often sell for prices that are beyond the income levels of very-low-
and low-income households. The median sales price of a condominium in Somerville between
January and October of 2012 was $385,250. Interestingly, the current low interest rate
environment has had the effect of making home ownership more affordable due to the lower the
level of mortgage payments required to service the loan than in past periods. A low-income
family of four with an annual income of $64,000 (80% of FY 2011 Area Median Family Income
(AMI)) could support a maximum mortgage $362,000, assuming a 3.4 percent interest rate and
excellent borrower credit rating.8 However, many low income households may not qualify for
these low interest mortgages because they do not meet down payment and credit requirements.
Moreover, the above analysis does not factor property taxes that effectively lower the mortgage
payment amounts. In FY 2012, the annual tax bill for a condominium based on the average
assessment in the City was $2,400, which lowers the supportable maximum mortgage supported
by low-income family of four with an annual income at 80% AMI to $317,000.9
As will be demonstrated later in this analysis, land and residential construction costs are too
high in Somerville for market demand alone to trigger the creation of affordable housing. In
fact, the high cost of housing construction in Somerville is a barrier to affordable housing even
for families at 80 percent of the AMI ($64,000). Somerville’s housing crisis is most acute for
very-low-income households at or below 50 percent of AMI.
The most recent in an annual series of reports on the regional housing market, the Greater
Boston Housing Report Card 2012 reviews the long term trends over the past decade that
provide additional context for Somerville’s housing market. The report identifies two distinct
stages within the regional housing market over the past decade. The first stage that began in the
late 1990’s and lasted through 2005 reflected rapidly rising housing prices and relatively stable
rents. The second stage beginning in 2005 and ending recently reflected declining sales and
stagnating and falling housing prices, due in part to rising foreclosures and tightening credit,
and escalating rents because demand exceeded the supply of available rental housing. During
8 Week ending December 15, 2012 via Boston Globe online and Bankrate.com.
9 The quarterly tax bill was $599 for FY 2012, based on the average condominium assessment and including the
residential exemption, as reported in http://somerville.patch.com/articles/tax-rate-increases-increase-is-smaller-
compared-to-previous-years.
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17 Karl F. Seidman Consulting and ConsultEcon
this second stage households that would have otherwise chosen homeownership were choosing
rental housing, thereby contributing to increasing rents. Most recently, regional data has
pointed to signs of recovery in the housing market. In addition, Greater Boston Housing Report
Card 2012 identifies a new paradigm in demand for housing away from single family suburban
homes to more condominiums and multi-family rental housing that is due to fundamental
changes in the regional economy, demographics and consumer behavior. Because the
composition of housing stock in Somerville matches this latter category, this fundamental
increase in demand for housing has the potential to exacerbate the affordability of housing in
the City. There is a clear need to mitigate the effect of new large-scale developments on the
demand for affordable housing in Somerville.
Given these market conditions and the costs to construct new housing, none of the 89 new units
needed to address the impact of new developments on housing demand among low- income
households will be supplied by either the current housing market or the new un-subsidized
private development market. Since new subsidized housing development will be needed to
supply the low-income housing demand generated by new large development projects, a
development impact fee is warranted to mitigate this impact.
Methodology
The total cost of mitigating the impact of new large-scale development in Somerville is based on
the number and size of new low-income and very low-income households that the development
will generate, as detailed earlier in this report. The previous section projected demand for
affordable housing from 89 new very-low-income and low-income households ranging in size
from one person to four or more persons. This section determines the subsidy required to
construct housing that is affordable for those households. Low- and very-low-income
households are the focus of this analysis because the majority of state and federal programs of
subsidy funding sources for affordable housing are targeted to income groups at or below 80
percent AMI. According to analysis of affordable housing projects in Massachusetts, state and
federal tax credits accounted for over 70 percent of all subsidy sources between 2007 and
2012.10 Federal and state tax credits prioritize creation of units for households at 50 percent
AMI and 60 percent AMI. Therefore, because of the targeting of available subsidy sources of
funding, it is likely that much of the new affordable housing created in Somerville will be
targeted to these income levels. Focusing on low- and very-low-income households will
expand access to a broader range of sources of subsidy, making projects more feasible.
It is necessary to determine the total development cost (TDC) of constructing standard housing
units of various sizes appropriate for the 89 households. For rental housing, we assume that the
rental income from the households, less operating costs and vacancies, will be used to pay debt
service on a permanent mortgage and provide a return to the developer. The difference between
the TDC and the mortgage and private equity supported by net rents represents the affordability
gap that must be subsidized to mitigate the effects of new large-scale developments in
10 Presentation “Affordable Rental Housing: Opportunities and Challenges” by Massachusetts Housing Partnership
at Massachusetts Department of Housing and Community Development’s Under One Roof Conference, November
13, 2012.
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18 Karl F. Seidman Consulting and ConsultEcon
Somerville. The total subsidy required to develop 89 affordable housing units is then divided by
the square footage of the projected large-scale development to obtain the full mitigation fee
required to offset the impact of new development.
The following key assumptions were made to calculate the housing affordability gap.
Size and Distribution of Housing Units
The size of households was derived in the previous section. The households range in size from
one to four or more persons. All one-person and two-person households are assigned to one-
bedroom units. Three-person households are assigned to two-bedroom units. Four or more
person households are assigned to three bedroom units. Data in Table 11 show the distribution
of housing units by size and income levels.
Table 11. Affordable Housing Units by Size and Income Levels
Households by Size
One Person
Two
Person
Three
Person
Four
Person
Total
Low Income
27
0
13
18
58
Very Low Income
11
1
0
19
31
Total
38
1
13
37
89
Distribution of Units by Number of Bedrooms
One Bedrooms
100%
100%
Two Bedrooms
100%
Three Bedrooms
100%
Units by Number of Bedrooms
Low Income
One Bedrooms
27
0
0
0
27
Two Bedrooms
0
0
13
0
13
Three Bedrooms
0
0
0
18
18
Very Low Income
One Bedrooms
11
1
0
0
12
Two Bedrooms
0
0
0
0
0
Three Bedrooms
0
0
0
19
19
Total (Low Income + Very Low Income)
One Bedrooms
38
1
0
0
39
Two Bedrooms
0
0
13
0
13
Three Bedrooms
0
0
0
37
37
Total
38
1
13
37
89
Source: Karl F. Seidman Consulting Services and ConsultEcon, Inc.
Type of Housing Development
To simplify calculations, all of the housing is assumed to be developed by nonprofit housing
developers. The subsidy figure obtained in this analysis assumes that 100 percent of the new
units for very low income households will be constructed as rental housing. Most affordable
Somerville Linkage Study
19 Karl F. Seidman Consulting and ConsultEcon
housing homeownership subsidies are targeted at low and moderate income households, rather
than very low income households because of their limited ability to pay on-going tax, insurance
and maintenance costs. The assumption for low income households is that 32 percent of the
new units will be constructed for home ownership and 68 percent of the new units will be
constructed as rental housing. This mix of home ownership and rental units is the same as the
ratio of owner-occupied and renter-occupied units in Somerville reported in the 2010 Census.
Data in Table 12 show the distribution of rental and home ownership housing units by size and
income level.
Table 12. Rental and Ownership Affordable Housing Units by Size and Income Levels
Households by Size
One Person
Two
Person
Three
Person
Four
Person
Total
Homeownership Units by Income Level
Low Income
9
0
4
6
19
Very Low Income
0
0
0
0
0
Units by Type of Housing
Ownership
9
0
4
6
19
Rental
29
1
9
31
70
Total
38
1
13
37
89
Rental Units by Number of Bedrooms
One Bedrooms
29
1
0
0
30
Two Bedrooms
0
0
9
0
9
Three Bedrooms
0
0
0
31
31
Total
29
1
9
31
70
Ownership Units by Number of Bedrooms
One Bedrooms
9
0
0
0
9
Two Bedrooms
0
0
4
0
4
Three Bedrooms
0
0
0
6
6
Total
9
0
4
6
19
Source: Karl F. Seidman Consulting Services and ConsultEcon, Inc.
Unit Size
The unit size used to calculate TDC is adapted from the actual projects analyzed as a part of this
study, not including one large senior housing project that had smaller unit sizes. The unit sizes
are as follows: one-bedroom units are 650 net square feet; two-bedroom units are 880 net square
feet; and three-bedroom units are 1,150 net square feet.
Total Development Costs
Development costs for recent affordable housing projects in Somerville and similar, built-out
neighborhoods in nearby communities were obtained through local housing authorities and
nonprofit developers. The figures used in this analysis average the costs of development of the
various projects, and remove outlier projects as noted in the footnotes on Table 13, which
summarizes the TDC of 70 affordable rental units in Somerville. The average cost of
Somerville Linkage Study
20 Karl F. Seidman Consulting and ConsultEcon
developing ownership units is assumed to be the same as the cost of developing rental units.
Costs for the ownership projects reviewed were in the range of costs for the rental projects and
did not reflect a significant variance. Data in Table 14 summarize TDC of developing 19
affordable ownership units in Somerville. Following is a discussion of key assumptions in these
analyses.
Land acquisition costs are very high in Somerville and metropolitan Boston. A review of
projects in Somerville and similar adjacent communities showed highly variable land prices
ranging from $0 to $4.3 million per project or $0 to $134,000 per unit. This analysis uses the
weighted average cost of acquiring land at $41,000 per unit.
The construction cost is assumed to be $155.34 per gross square foot. Rental unit construction
costs were projected using a gross square footage of 80,000, which was based on a ratio of net
rentable to gross square feet of 79.2%11. The net rentable square footage of 63,070 square feet
was based on the unit mix and sizes, as detailed in Table 13. Ownership unit construction costs
were calculated using a gross square footage of 21,000, with a net saleable area of 16,270 square
feet.
“Soft” costs, including architectural services, engineering, legal services and other costs, were
calculated at 33.1 percent of construction costs. Total development costs also include a
construction contingency reserve set at 5.8 percent of construction costs. Capital reserves,
developer’s fee and developer’s overhead are calculated at 12.6 percent of the subtotal of
acquisition, construction and soft costs. Based on these factors, the TDC to construct 70
affordable housing rental units is $22.7 million and the TDC to construct 19 ownership units is
$6.0 million.
11 The actual gross square footage used to calculate construction costs is slightly less than 79.2% due to rounding.
Somerville Linkage Study
21 Karl F. Seidman Consulting and ConsultEcon
Table 13. Total Development Costs of 70 Rental Housing Units in Somerville
Project Description
Number of
Units
Average Unit Size 1/
Net Square Feet
One Bedroom
30
650
19,500
Two Bedroom
9
880
7,920
Three Bedroom
31
1,150
35,650
Total Units
70
63,070
Net Square Feet as a Percent of Gross Square Feet 2/
79.2%
Total Gross Square Feet (GSF) (Rounded)
80,000
Calculation of Total Development Costs
Cost
Unit
Factor
Amount
(Rounded)
Acquisition Cost
$41,000
per Unit 3/
$2,870,000
Construction Cost
$155.34
per GSF 4/
$12,427,000
Construction Contingency
5.8%
of Construction Cost 5/
$721,000
Soft Costs
33.1%
of Construction Cost 5/
$4,113,000
Total Acquisition, Construction and Soft Costs
$20,131,000
Capital Reserves, Developers Fee and
Developers Overhead
12.6%
of Total Acquisition, Construction
and Soft Costs 5/
$2,537,000
Total Development Costs (TDC)
$22,668,000
TDC per Unit
$323,829
TDC per GSF
$283.35
Source: ConsultEcon, Inc.
1/ Based on the weighted average unit size of affordable units recently developed in Somerville and adjacent
communities, not including one senior housing project.
2/ Based on the weighted average net to gross square feet ratio for affordable housing projects recently developed in
Somerville and adjacent communities, not including one outlier project and rehab projects.
3/ Based on the weighted average per unit acquisition cost for affordable housing projects recently developed in
Somerville and adjacent communities.
4/ Based on the weighted average construction cost for affordable housing projects recently developed in Somerville
and adjacent communities, not including rehab projects.
5/ Based on the weighted average ratio for affordable housing projects recently developed in Somerville and
adjacent communities, not including rehab projects.
Somerville Linkage Study
22 Karl F. Seidman Consulting and ConsultEcon
Table 14. Total Development Costs of 19 Ownership Housing Units in Somerville
Project Description
Number of
Units
Average Unit Size 1/
Net Square Feet
One Bedroom
9
650
5,850
Two Bedroom
4
880
3,520
Three Bedroom
6
1,150
6,900
Total Units
19
16,270
Net Square Feet as a Percent of Gross Square Feet 2/
79.2%
Total Gross Square Feet (GSF) (Rounded)
21,000
Calculation of Total Development Costs
Cost
Unit
Factor
Amount
(Rounded)
Acquisition Cost
$41,000
per Unit 3/
$779,000
Construction Cost
$155.34
per GSF 4/
$3,262,000
Construction Contingency
5.8%
of Construction Cost 5/
$189,000
Soft Costs
33.1%
of Construction Cost 5/
$1,080,000
Total Acquisition, Construction and Soft Costs
$5,310,000
Capital Reserves, Developers Fee and
Developers Overhead
12.6%
of Total Acquisition, Construction
and Soft Costs 5/
$669,000
Total Development Costs (TDC)
$5,979,000
TDC per Unit
$314,684
TDC per GSF
$284.71
Source: ConsultEcon, Inc.
1/ Based on the weighted average unit size of affordable units recently developed in Somerville and adjacent
communities, not including one senior housing project.
2/ Based on the weighted average net to gross square feet ratio for affordable housing projects recently developed in
Somerville and adjacent communities, not including one outlier project and rehab projects.
3/ Based on the weighted average per unit acquisition cost for affordable housing projects recently developed in
Somerville and adjacent communities.
4/ Based on the weighted average construction cost for affordable housing projects recently developed in Somerville
and adjacent communities, not including rehab projects.
5/ Based on the weighted average ratio for affordable housing projects recently developed in Somerville and
adjacent communities, not including rehab projects.
Income Levels
An important step in calculating the subsidy necessary to create new affordable housing units is
to define the income stream that will be used to support the development of new housing. This
analysis assumes that the new rental housing will solely be supported by rental income from
tenant households and ownership housing will be supported by the sales of affordable units.
Income levels are defined using the U.S. Department of Housing and Urban Development’s
(HUD) published definitions of income levels and affordable rents. HUD definitions should be
used to benchmark any analysis of affordable housing as those definitions determine eligibility
for housing subsidies for prospective homeowners, tenants and developers. HUD annually
publishes its calculation of Median Family Incomes by state, metropolitan statistical area and
other regions. HUD calculates income levels for very- low-income and low-income households
as proportions of the Area Median Family Income (AMI). A very-low-income household is
defined as having income less than or equal to 50 percent of the AMI. A low-income household
Somerville Linkage Study
23 Karl F. Seidman Consulting and ConsultEcon
is defined as having income between 50 and 80 percent of AMI. In FY 2011, the AMI for a
family of four in the Boston-Cambridge-Quincy Metro Fair Market Rent Area (including
Somerville) is $96,500. Therefore, a very low income for a family of four is less than $48,150.
Low income for a family of four in the Boston MSA is defined as between $48,150 and
$64,200.
Affordable Sales Price Levels
The average sales price of affordable units sold in Somerville is the basis for estimating the sales
proceeds available to support the creation of 19 affordable ownership units in Somerville.
Somerville’s Affordable Housing Trust Fund tracks sales of affordable ownership units for low
income (80 percent of AMI) and moderate income units (110 percent of AMI). Between 2008
and 2013 there were 4 one-bedroom units sold with an average sales price of $126,000, 7 two-
bedroom units with an average sales price of $171,000 and 5 three-bedroom units sold with an
average sales price of $187,000.
Affordable Rent Levels
In general, HUD defines rent as affordable to a household when the total cost of shelter
consumes no more than 30 percent of gross (total) income. In practice, the percent of income
devoted to shelter may be significantly higher for some households than is shown in this
analysis. HUD income levels for categories such as very low income and low income are set at
the upper limit of the income bracket and tend to overestimate household income. For example,
the low-income category includes households with incomes between 50 and 80 percent of AMI;
however, the annual household income is set at 80 percent of AMI. Low-income households
with income at 60 or 70 percent of AMI will pay more than 30 percent of their income for
shelter.
Projected Net Rental Income
Absent a subsidy, the construction of the 70 rental units of affordable housing projected in this
analysis must be supported through rental income from tenants. Households are assumed to pay
30 percent of household income in rent. Data in Table 15 detail the assumed income levels of
each household in order to derive the total gross rental income for the 70 units, based on the
distribution of households by size and income. Total annual gross rental income for the units is
$1.027 million.
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24 Karl F. Seidman Consulting and ConsultEcon
Table 15. Annual Rental Income by Household Income and Size of Household
Household
Size
Annual
Income 1/
Annual
Rent 2/
Monthly
Rent
Number of
Households
Total Annual
Rent
Low Income Households (51% to 80% of AMI)
1 Person
$44,950
$13,485
$1,124
18
$242,730
2 Persons
$51,400
$15,420
$1,285
0
$0
3 Persons
$57,800
$17,340
$1,445
9
$156,060
4 Persons
$64,200
$19,260
$1,605
12
$231,120
Very Low Income (31% to 50% of AMI)
1 Person
$33,750
$10,125
$844
11
$111,375
2 Persons
$38,550
$11,565
$964
1
$11,565
3 Persons
$43,350
$13,005
$1,084
0
$0
4 Persons
$48,150
$14,445
$1,204
19
$274,455
Total Annual Rent
$1,027,305
Total Annual Rent (Rounded)
$1,027,000
Source: ConsultEcon, Inc.
1/ From HUD Median Family Income and Income Limits by Household Size, FY 2011 for Boston-Cambridge-
Quincy, MA-NH MSA at http://www.huduser.org/portal/datasets/il/il11/ma.pdf ;
2/ Assumed at 30% of annual income.
To calculate the rental income available to support the total development costs described above,
the gross rents must be adjusted to reflect lost income due to periodic vacancies and the
operating costs of maintaining and managing housing. Vacancy is assumed at 5 percent of gross
rental income. Operating costs typically include such items as building management, janitorial
services, trash removal, building maintenance, landscaping, and marketing and other
administrative costs. For this analysis, the full cost of utilities is also included. Based on
comparable projects in Somerville and the region, total operating costs were calculated as
$8,700 per unit or $609,000 total. Net rental income after deducting vacancy and operating
costs is $366,650.
Rental Affordability Gap & Required Subsidy
The next step is to find the gap in project finance between the permanent mortgage and
developer equity that the net rental income can support and the total development costs of the 70
rental units. In general, the amount of loan that lenders will approve is based on the income
stream from the project. In this case, the annual net rental income is $366,650. However,
lenders prefer to build into their mortgage calculations a cushion between projected rents and
the annual debt service needed to pay down the loan. The debt coverage ratio (ratio of income
to allowable debt) reduces the effective amount of net rental income that can be used to support
a mortgage. This analysis assumes a debt coverage ratio of 1.1, based on permanent financing
programs offered by MassHousing. After adjusting the net rental income by the debt coverage
ratio, the project has $333,300 in annual income with which to pay the debt service on a
permanent mortgage.
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25 Karl F. Seidman Consulting and ConsultEcon
The total allowable permanent loan is calculated by dividing the net annual income by the
mortgage constant, based on a 5.295 percent mortgage constant, assuming MassHousing
financing available at current interest rates that amortizes over a 40 year period. The permanent
loan supported by the households is $6.3 million. The annual revenue not required for the
mortgage is then available to support equity investment. Based on a required return of 8.0
percent, this revenue would support $458,000 in equity investment. Given the total
development costs of $22.7 million, a total subsidy of $15.9 million is required to mitigate the
impact of new large-scale development in Somerville. Data in Table 16 summarize the figures
used to obtain the required subsidy for affordable rental units.
Table 16. Summary of Financing Gap for Affordable Rental Housing
Project Description
Number of Units
70
Total Gross Square Footage (GSF)
80,000
Total Development Costs (TDC)
$22,668,000
TDC per Unit
$323,829
TDC per GSF
$283.35
Net Rental Income
Unit
Factor
Amount
Gross Annual Rental Income
$1,027,000
Less Vacancies
5%
of Gross Rental Income
($51,350)
Less Total Operating Costs
$8,700 per Unit
($609,000)
Net Operating Income
$366,650
Mortgage Calculation
Net Operating Income (NOI)
$366,650
Debt Coverage Ratio
1.1
Available for Debt Service
$333,300
Mortgage Constant
5.295%
Permanent Mortgage
$6,295,000
Equity Calculation
Revenue Available for Return to Equity
$36,665
Required Return on Equity
8.0%
Supportable Equity Investment
$458,000
Financing Gap Calculation
Total Development Costs
$22,668,000
Less Permanent Mortgage
($6,295,000)
Less Supportable Equity
($458,000)
Financing Gap (TDC-Mortgage-Equity)
$15,915,000
Source: ConsultEcon, Inc.
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26 Karl F. Seidman Consulting and ConsultEcon
Ownership Affordability Gap & Required Subsidy
The affordability gap in project financing of ownership units is the difference between the TDC
and the proceeds from the sale of the 19 ownership units. It is assumed that the sales price of
the housing units is the same as the average for price of units recently sold to low income
households in Somerville. Based on the mix of units and the assumed sales prices, the total
estimated sales proceeds are $2.9 million. Assuming that the TDC of $6.0 million, the
estimated financing gap for 19 affordable home ownership units is $3.0 million. Data in Table
17 summarize the financing gap for ownership units.
Table 17. Summary of Financing Gap for Affordable Ownership Housing
Project Description
Number of Units
19
Total Gross Square Footage (GSF)
21,000
Total Development Costs (TDC)
$5,979,000
TDC per Unit
$314,684
TDC per GSF
$284.71
Unit Sales Proceeds
Unit
Average Price 1/
Sales Proceeds
One Bedroom
9
$126,000
$1,134,000
Two Bedroom
4
$171,000
$684,000
Three Bedroom
6
$187,000
$1,122,000
Total
19
$2,940,000
Financing Gap Calculation
Total Development Costs
$5,979,000
Less Sales Proceeds
($2,940,000)
Financing Gap
$3,039,000
Source: ConsultEcon, Inc.
1/ Based on the affordable (at 80% AMI) unit rounded average sales price in the City of Somerville between 2008
and 2013.
Maximum Linkage Fee Level
The subsidy required to offset the affordable housing impact of new large-scale development in
Somerville is $19.0 million, the total of the subsidy required for rental and ownership units. The
subsidy per square foot of development is obtained by dividing the total required subsidy by the
total square feet of new large-scale commercial development calculated in previous sections.
While 901,000 square feet of new large-scale development is projected, the first 30,000 square
of a project is exempt from linkage fees under the current policy. Assuming an average project
size of 100,000 square feet, new commercial development would occur across 9 buildings.
Therefore, the square footage subject to linkage payments would be 631,000, and the maximum
warranted subsidy per square foot of commercial development is $30.04. Alternatively, should
Somerville Linkage Study
27 Karl F. Seidman Consulting and ConsultEcon
new commercial development would occur across 5 buildings, the square footage subject to
linkage payments would be 751,000 and the maximum warranted subsidy per square foot of
commercial development is $25.24.
In setting its final linkage fee, Somerville needs to consider the potential contribution of other
funding sources toward financing this required subsidy and the impact of its linkage fees on the
city’s competitiveness in attracting new development and firms.
Affordable Housing Subsidies
This analysis calculates the full cost of mitigating the housing impact of projected large-scale
developments in the City of Somerville. Somerville has relatively high affordable housing
development costs, given the scarcity of vacant land, high construction costs and, at times,
problems with site remediation. The purpose of affordable housing is to limit the rental or
mortgage payments of low-income households; there is a limited income stream with which to
finance debt. Therefore, the City and non-profit developers are challenged to find additional
sources of subsidy to fill the gap between the rents that low-income families can afford and the
debt that is incurred by affordable housing developers. Since most affordable housing
developers layer multiple subsidies to support the construction of new housing units, the
Somerville Linkage Fee will work in conjunction with other subsidy sources to fill the $19.0
million gap.
This section reviews other potential subsidy sources and their funding contribution to recent
projects to frame the subsidy share that the Linkage Fees will need to provide. The
Commonwealth of Massachusetts, in partnership with the U.S. Department of Housing and
Urban Development (HUD), offers a variety of subsidies to assist in the construction and
financing of affordable housing. City governments also contribute their own subsidy funds.
Our analysis revealed the use of a common set of subsidies in non-profit affordable housing
developments in Somerville and adjacent communities. Following is a list of the most common
subsidies, with a range of subsidy amounts in the projects reviewed.
Low-Income Housing Tax Credits. The Commonwealth of Massachusetts Department of
Housing and Community Development (DHCD) administers the Commonwealth’s allocation of
the Federal Low-Income Housing Tax Credits (LIHTC). The tax credit program offers four
percent and nine percent tax credits for the construction of affordable housing through a
competitive process determined by DHCD according to HUD guidelines. Tax credits are sold
through syndicators to private investors to raise funds for rental housing construction. The
LIHTC projects reviewed raised between 30 and 56 percent of project costs through the sale of
tax credits (between $2.1 million and $6.1 million per project reviewed).
HOME Funds. HUD offers block grants to states and cities to support the creation of
affordable housing and community development. Commonwealth HOME funds are
administered through DHCD while Somerville administers a separate pool of HOME funds.
The projects reviewed covered 5 percent to 34 percent of project costs through the use of
Somerville Linkage Study
28 Karl F. Seidman Consulting and ConsultEcon
HOME funds from either DHCD awards or municipal allocations or both. A majority of the
projects reviewed received between 13 and 16 percent of projects costs from HOME funds.
Commonwealth Affordable Housing Trust Fund. The Commonwealth Affordable Housing
Trust Fund (AHTF) supports the creation and preservation of affordable housing throughout the
state. Commonwealth AHTF grants have supported between 9 percent and 15 percent of the
total development costs of projects reviewed for this report.
Commonwealth Housing Stabilization Fund. DHCD administers the Housing Stabilization
Fund, which is a state funded bond program that assists in the production and preservation of
affordable housing. The projects reviewed that received this type of assistance received
between 6 percent and 8 percent of project costs.
Municipal Affordable Housing Trusts. An important component of financing for most
affordable housing in the Boston metropolitan region is obtained through grants from local
governments. Municipal affordable housing trust funds are supported through development
exactions such as housing linkage fees or were capitalized through the use of state and federal
block grants. Somerville projects reviewed for this report showed that the City’s affordable
housing trust contributions have ranged from 1 percent to 3 percent of total project costs, with
an average subsidy of $6,400 per unit. Two projects reviewed in Boston and Cambridge
received affordable housing trust contributions that represented 26 percent and 28 percent,
respectively.
The above sources of funds were most often utilized in the projects reviewed. Overall, these
funding programs accounted for 49 to 80 percent of total project costs. The projects reviewed
also received additional funds from an array of other programs administered by DHCD and
other sources. Following is a review of selected other programs used by individual projects
reviewed.
Community Development Block Grants (CDBG). Like HOME Funds, CDBG are HUD
grants to support community development activities, including providing decent housing and a
suitable living environment, and by expanding economic opportunities, principally for low- and
moderate-income persons. These funds can be used for financing affordable housing when
allocated to do so by the local government recipient.
Commonwealth Commercial Area Transit Node Housing Program. A state funded bond
program available to municipalities, non-profit and for-profit sponsors to support rental housing
production or rehabilitation.
Commonwealth Community Based Housing Program. A program that provides funding for
the development of integrated housing for people with disabilities, including elders, with
priority for individuals who are in institutions or nursing facilities or at risk of
institutionalization.
Somerville Linkage Study
29 Karl F. Seidman Consulting and ConsultEcon
Commonwealth Housing Innovations Fund. This program is a state funded program for non-
profit developers to create and preserve affordable rental housing for special needs populations.
Commonwealth Facilities Consolidation Fund. A state funded program for non-profit
developers to create and preserve affordable rental housing for clients of the Department of
Mental Health and the Department of Mental Retardation.
Federal Home Loan Bank Affordable Housing Program. The Federal Home Loan Bank
offers direct subsidy grants and subsidized loans through member institutions to support
affordable housing development.
Somerville’s future supply of affordable housing subsidies is likely to reflect the diversity of the
programs utilized by projects in the past. Based on the reviewed projects, the primary funding
sources available for new affordable housing development in Somerville in the future will likely
be Low-Income Housing Tax Credits, Commonwealth and City Home Funds, Commonwealth
Housing Stabilization Funds, and Commonwealth and City Affordable Housing Trust Funds.
Since state sources are often awarded competitively, Somerville is not guaranteed funding from
all of these programs. Moreover, projects do not typically receive funding from all of these
sources. However, because of the array of funding programs available, it is reasonable to
assume that these subsidies will continue to contribute 50 percent to 60 percent of total
development costs for future rental projects. Given the total development cost of providing 70
units of affordable rental housing that is estimated at $22.7 million, this would represent a
contribution from currently available subsidy programs of between $11.3 and $13.6 million.
Subsidies for ownership projects are assumed to range from $125,000 to $150,000, comprised
of $100,000 per unit from DHCD programs and $25,000 to $50,000 per unit from local sources,
such as CDBG and HOME funds. Given that there are 19 units of affordable ownership housing
units in this analysis, the assumed contribution from currently available subsidy programs for
ownership units is between $2.4 and $2.9 million.
Based on these assumptions for affordable rental and ownership housing, the subsidy that needs
to be filled with the linkage fee is between $2.5 million and $5.2 million. Using assumed square
footage that would be subject to linkage payments of 631,000, assuming 10 new buildings at
100,000 each, the total subsidy needed to be filled by linkage fees per square foot ranges from
$3.97 to $8.31, with a mid-range of $6.14. If new development occurs in a smaller number of
larger buildings, more square footage would be subject to linkage payments and the required fee
would be smaller. For example, if the projected 901,000 of new space is developed in five
buildings that average 180,000 square feet, 751,000 square feet would be assessed a linkage fee
and the required linkage fee level would range from $3.33 to $6.98, with a mid-range of $5.15.
Data in Table 18 summarize the calculations of per square subsidy and linkage fee range.
Somerville Linkage Study
30 Karl F. Seidman Consulting and ConsultEcon
Table 18. Calculation of Per Square Foot Subsidy Required and Linkage Fee Range
Total Development Cost Summary
Cost of Rental Housing (from Table 13)
$22,668,000
Cost of Ownership Housing (from Table 14)
$5,979,000
Total Development Cost
$28,647,000
Total Subsidy Required Summary
Subsidy Required for Rental Housing (from Table 16)
$15,915,000
Cost of Ownership Housing (from Table 17)
$3,039,000
Total Subsidy Required
$18,954,000
Subsidy Calculation
Total Commercial Square Footage
901,000
Assumed Average Commercial Building Size
100,000
Number of Commercial Buildings
9
Square Footage Exempt from Linkage Fee under Current Policy
270,000
Commercial Square Footage Subject to Linkage Fee
631,000
Subsidy Required per SF of New Commercial Development
$30.04
(Total Subsidy Required / Commercial SF Subject to Linkage Fee)
Linkage Fee Calculation
Amount from Existing Subsidy Programs
$13,709,000
$16,450,800
Subsidy Needed to be Filled by Linkage Fee
$5,245,000
$2,503,200
(Total Subsidy Required, Less Amount from Existing Subsidy Programs)
Subsidy Needed to be Filled by Linkage Fee per Square Foot
(Based on 9 new buildings at 100,000 square each)
$8.31
$3.97
(Subsidy Needed to be Filled by Linkage Fee / Commercial SF Subject to Linkage Fee)
Subsidy Needed to be Filled by Linkage Fee per Square Foot
(based on 5 new buildings at 180,000 square feet)
$6.98
$3.33
Source: ConsultEcon, Inc.
Somerville Linkage Study
31 Karl F. Seidman Consulting and ConsultEcon
IV. New Development, Resident Employment and Jobs Linkage Fee
As Somerville attracts new development, these projects will create new jobs with the potential to
benefit Somerville residents, and especially improve employment and earnings for low-income
residents. A jobs linkage fee would be warranted if specialized employment and training
services are needed to allow Somerville residents to gain access to these new employment
opportunities so that they share in the benefits of new development. Such services may be
needed either if there is a lack of Somerville workers with the specific occupational skills
demanded by employers in new development or if workers have more general gaps in education,
skills or experience that pose barriers to their employment. Occupational and job specific
training services are warranted to address the first situation while basic education and job
readiness programs address the later need. It is also possible that both services may be needed to
connect Somerville residents, particularly low-income workers, to gain access to jobs created by
new development.
A three part methodology was used to analyze the need for employment and job training services
to link Somerville residents to the jobs created by the expected new development. First, the
occupational composition of projected industries for Somerville’s new development was used to
estimate the number of new jobs that are likely to be created for different type of occupations12.
This data was then compared to the occupational composition of Somerville’s workforce to see if
any occupations exist for which the supply of among existing residents may be insufficient to
meet this new demand. To provide a larger regional context for this analysis, the study also
looks at projected occupational supply gaps and vacancies for the larger Boston Metro North
region. The second part of the analysis considers potential employment barriers faced by
Somerville residents that may impact their access to employment across occupations, drawing on
American Community Survey (ACS) data and interviews with workforce and social service
agencies. Finally, the analysis draws on the broader understanding of labor market trends,
occupational supply needs, and the demand for education and training services gained from
interviews with workforce development practitioners.
Labor Supply Gaps
Table 19 compares the expected number jobs in major occupational categories to ACS data on
the number of Somerville workers in these occupations. For most occupations, the number of
new jobs is a relatively small share of the current workforce. Consequently, there is likely to be
a good supply of Somerville residents within these occupations to address employer needs,
although mismatches may skill exist based on unique employer needs. However, in four
occupational groups, Computer and Math, Health Care Support, Food Preparation and Serving
and Sales, the projected new jobs account for a large share of the current workforce, ranging
from 14.5% for Sales to almost 21% for Food Preparation and Serving. The large demand for
workers in these skill areas relative to the city’s labor supply is likely to lead to many of these
positions going to non-Somerville residents. Moreover, three of these occupational groups are
12 Some new development will involve relocation of existing employees and operations that does not create
immediate new jobs. Since these positions will open up with employee turnover, the analysis is intended to address
resident access to jobs from both new positions and vacancies in existing jobs that occur over time.
Somerville Linkage Study
32 Karl F. Seidman Consulting and ConsultEcon
good sources of entry level jobs for low-income and less educated workers. Health Care
Practitioners and Technicians is a fifth occupation in which the local labor may be stretched with
new jobs projected at 10.5% of the city workforce. Additional analysis was conducted on
several mid-level jobs that are related to the projected industries and are more accessible to low-
income and non-college educated workers that include computer support and related
occupations, life and other science technicians, health care technicians and non-licensed nurses.
Potential supply gaps from the Somerville labor force were found for two of these occupations,
computer support and non-registered nurses, for which the current Somerville work force
represents 41% and 89% of the expected new jobs.
Table 19. Comparison of Expected Occupational Demand and Somerville Workforce by
Major Occupational Groups
Occupational Group
Number
of
Expected
Jobs
Number of
Somerville
Workers
New Jobs as
Share of
Somerville Labor
Force
Management
229
4,648
4.9%
Business & Finance Operations
225
2,652
8.5%
Computer and Math
555
2,822
19.7%
Architecture & Engineering
109
1320
8.3%
Life, Physical and Social Sciences
148
2,461
6.0%
Community and Social Service
19
676
2.8%
Legal
8
1051
0.8%
Education, Training & Library
6
4,973
0.1%
Art. Design, Entertainment, Sports & Media
47
2,071
2.3%
Health Care Practitioners & Technical
218
2,080
10.5%
Health Care Support
132
682
19.4%
Protective Services
9
616
1.5%
Food Preparation, Serving & Related
533
2,574
20.7%
Building/Grounds Cleaning & Maintenance
42
2,415
1.7%
Personal Care and Service
85
1,677
5.1%
Sales and Related
462
3,183
14.5%
Office and Administrative Support
471
5,614
8.4%
Farming, Fishing and Forestry
1
183
0.5%
Construction and Extraction
5
1,768
0.3%
Installation, Maintenance & Repair
24
522
4.6%
Production
33
1200
2.8%
Transportation and Material Moving
28
1030
2.7%
Total
3,402
46,218
7.4%
Source: Karl F. Seidman Consulting and American Community Survey 2009-2011 3 year estimates
A recent report by CommCorp and the Federal Reserve Bank of Boston analyzed labor market
trends in the Boston Metro North region that encompasses Somerville. The report found that the
Somerville Linkage Study
33 Karl F. Seidman Consulting and ConsultEcon
region has the second highest level of college-educated workers among the state’s labor market
areas but had experienced a decline in workers with an Associate’s Degree over the past decade.
Figure 2. Education Attainment by Occupation, Boston Metro North Region, 2008 to 2010
Source: Labor Market Trends in the Boston Metro North Region, October 2012
It also found a high concentration of less educated workers among the region’s unemployed with
49% having a high diploma or less and 24% with some college education but no degree—a
category that grew considerably between 2000 and the 2008 to 2010 period. A key finding of the
report was the strong demand for highly educated workers: 10 of the 17 major industries had
workforces in which 40% or more had a college degree or higher, compared to 8 industries
statewide. Moreover, a majority of workers in almost all industries had at least some college
education; only two industries, Accommodations and Food Service and Construction had a
Somerville Linkage Study
34 Karl F. Seidman Consulting and ConsultEcon
majority of workers with a high school degree or less. Among occupational groups, the demand
for college-educated workers increased since 2000 with 9 of the 19 major occupational
categories now having a majority of workers with a college degree, including 8 at 75% or higher
(see Figure 2). Moreover, the share or workers with a college degree is higher in the region than
Massachusetts for all but one of the 19 occupational groups. These trends indicate that
Somerville workers without a college degree or specialized occupation training are likely to face
difficulty accessing jobs with employers at new development projects. These employers are
increasingly seeking more highly educated and skilled workers and have access to the Boston’s
region’s well educated labor force.
Another indicator of potential labor supply shortages is the level of job vacancies. Data on
occupations with high job vacancies and vacancy rates during 2008 to 2010 for the Boston Metro
Region reinforce the results of the above analysis for Somerville: the occupations that were the
hardest to fill (i.e., with the highest vacancy rates) were: Sales (5.5%) Computer and
Mathematical (4.6%), Business and Financial Operations (3.6%) and Health Care Support
(3.6%). Other than Business and Financial Operations, these occupations are the same ones for
which expected demand for new workers is likely to tax Somerville’s labor force. Consequently,
employers may have a need and incentive to support employment and training services that help
prepare Somerville workers for jobs in these occupations.
Employment Barriers for Somerville Residents
Beyond the city-level occupational labor imbalances discussed above, Somerville workers may
not have access to jobs at new development projects due to more general barriers to employment,
such as lack of English language skills, poor reading and math skills, low educational
attainment, limited work experience or prior criminal record. Although Somerville has a well-
educated and experienced workforce, there is a sizable portion of the city’s labor force that face
language and educational barriers to employment and existing workforce development services
are often insufficient to address these barriers. Based on ACS 5-year estimates, 10.3% of
Somerville workers do not speak English very well and 25% lack post-secondary education with
only a high school level education or less (see Table 20).
Table 20. Education Attainment for Somerville Workers and Residents, Age 25 and older
Education Level
Percent of Labor
Force
Percent of Population
Less than high school graduate
7.3%
11.2%
High School Graduate
17.7%
21.7%
Some college or associates degree
15.0%
14.7%
Bachelor's degree or higher
60.2%
52.3%
Source: American Community Survey, 2006 to 2010 Estimates
Moreover, as shown in Table 21, these employment barriers are far more concentrated among the
largely unemployed Somerville workers13 who were seeking services through One-Stop Career
13 92% of the Metro North Regional Employment Board customers were unemployed at the time of intake.
Somerville Linkage Study
35 Karl F. Seidman Consulting and ConsultEcon
Centers during the last 2.5 years. Over 20% of these customers did not speak English as their
primary language, 15% lacked a high school diploma and another 25% had only a high school
diploma or GED.
Table 21. Education Level and Non-English Speakers among Somerville Customers in
Metro North Regional Employment Board System, July 2010 to December 2012
Education Level
Number of Customers
Percent of Somerville
Total
Less Than HS/GED
483
15.3%
HS Diploma/GED
793
25.1%
Post-Secondary or Vocational
36
1.1%
Some College/Associates
517
16.4%
Bachelor Degree
770
24.4%
Post-Graduate Degree
487
15.4%
Other Degree
0
0.0%
Unknown
75
2.4%
Total
3,161
100.0%
Non-English Speakers
643
20.3%
Source: Metro North Regional Employment Board
Somerville Center for Adult Learning Experiences (SCALE), which provides adult basic
education and English language programs, serves a population with low education and workforce
skills. It currently has 379 people enrolled in its programs, with almost half (179) that are
Somerville residents. The workers served by SCALE’s are often limited to “behind the scenes”
and seasonal low-wage jobs such as janitorial, landscaping and material moving occupations.
Consequently, these workers would be ill prepared to obtain the vast majority of new jobs that
would locate in Somerville as part of the expected new development, without additional
education, job readiness and skills training. SCALE also reports that it is unable to address the
current demand for English language training and has a large waiting list of close to 900 people
for these classes.
Workforce Practitioner Interviews
Several observations about current workforce development services for low-income workers,
including gaps and limitations in the current system for Somerville residents emerged from
interviews with workforce development practitioners in Somerville and the Metro North Boston
regions. The key findings from these interviews are:
• Training under the Workforce Investment Act (WIA) system is based on individual
vouchers and choice which prevents using these funds to target training programs to
specific employers or development projects.
• Due to limited and declining funds, the demand for WIA vouchers, called Individual
Training Accounts or ITAs, is much greater than the available supply.
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36 Karl F. Seidman Consulting and ConsultEcon
• Strict performance standards for job placement and retention rates make it more difficult
to use WIA funds to serve residents and workers with some of the greatest barriers to
employment.
• Somerville organizations, including SCALE and SCC, are working with the One-Stop
Career Centers and community colleges to connect residents to these services but
practitioners report gaps in the availability of ESL programs and job readiness and
placement programs to prepare and connect recent graduates of GED graduates and ESL
programs to better work opportunities.
• Effective training programs incorporate job readiness and post job-placement case
management support along with their skills training component. These services improve
initial employment and longer term job retention outcomes.
• The outlook for specific occupations, even those in high demand, can fluctuate with
economic cycles and industry specific factors. Examples noted by interviewees included
allied health programs, for which placements dropped this past year, and biotech lab
technicians, which has experienced both a growth in training programs and varied
demand from employers, partly influenced by their drug development cycle.
• Opportunities to improve outcomes for low-income and low-skill workers are not only
tied to specific occupation or skill needs, they also depend on individual employers’
commitment to hire and advance careers for these workers.
Although practitioners did not have definitive views on specific occupations facing labor supply
gaps, they identified several occupations and jobs types for which strong and consistent
employer demand exists:
• Health care occupations, including Certified Nursing Assistants (CNA), nursing aids,
home health aides, and physical therapy assistants
• Health care office and administrative positions, including medical coding and billing,
medical receptionists/intake
• Office and computer skills, with competency in using Microsoft Office essential
• Accounting and finance support, including AP, AR, and junior accounting positions
• IT positions, including help desk and computer technicians
• Retail and customer service positions
Somerville’s vocational high school programs has found strong demand for several of their
programs, including auto technology, culinary arts and health services, including CNA14. They
are adding a new dental assistant program and considering new programs in health careers and
HVAC.
Warranted Jobs Linkage Fee and Recommendations
As the above analysis noted, new non-residential development in Somerville is likely to create
demand for workers in several occupational areas that cannot be adequately filled by the city’s
14 Since graduates of several programs, e.g., computer principles and repair, design and communications typically go
to college rather than directly into employment, there is less experience with employer demand.
Somerville Linkage Study
37 Karl F. Seidman Consulting and ConsultEcon
existing labor force. Moreover, barriers exist that will prevent many of the city’s less educated
and immigrant workforce from benefiting from these jobs. Finally, current workforce
development services do not adequately address these barriers and the primary federal workforce
program, WIA, delivers funding to individuals, which prevents targeting programs to specific
development projects and employers. For all these reasons, a Somerville jobs linkage fee is an
appropriate policy response to fund services that expand resident access to employment at new
development projects and mitigate the potential for these projects to disproportionately benefit
workers from outside Somerville.
A jobs linkage fee is warranted to fund job training and workforce development services to
address the potential occupational and skills gaps among Somerville residents to meet labor
demand at the projected new development, particularly in occupations that can benefit low-
income and lower skilled workers. To estimate and quantify this need, the analysis focused on
those occupations in which the expected demand for labor is high relative to the existing
Somerville workforce. The threshold used to quantify a need for employment and training
services for these occupations is the 16.5% share of Somerville workers who hold jobs within the
city. Occupations in which demand is expected to exceed this 16.5% local employment rate are
ones for which additional training most likely will be needed to prepare city residents for these
jobs. Moreover, the number of expected jobs beyond the 16.5% citywide local employment rate
is a reasonable standard for setting the number of job training slots to fund through a linkage fee.
There are three occupational groups (Computer and Math, Health Care Support and Food
Preparation and Service) for which the projected number of job exceeds the 16.5% threshold and
with 216 combined jobs above this threshold, as shown in Table 22.
Table 22. Projected Labor Supply Gap above Somerville Local Employment Threshold
Occupations
Category
Expected New Jobs
at Project
Development
Positions at 16.5%
of Somerville
Workforce
Number of Jobs
above 16.5%
Computer and Math
555
466
89
Health Care Support
132
113
19
Food Preparation,
Serving & Related
533
425
108
Total
1,220
1,004
216
Adjustment for
Computer and Math
-30
Adjustment for non-
registered Nurses
+14
Adjusted Total
200
Two adjustments were made to these figures based on the analysis of mid-level occupations that
are accessible to non-college educated workers and for which training opportunities are feasible
to address. First, since most computer and math jobs require college or higher education, it is
more appropriate to base the supply gap on the computer support and related occupations rather
than all positions within this category. Ninety-eight jobs are projected for these mid-level
occupations, of which 59 exceeds 16.5% of Somerville’s workforce in these occupations.
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38 Karl F. Seidman Consulting and ConsultEcon
Consequently, the supply gap for Computer and Math occupations is reduced by 30 (from 89 to
59). A second adjustment was made for non-registered nurses, which are certificate-based
nursing positions that do not require a four year college degree. Although these nurses are within
the Health Care Practitioners & Technical occupational group for which overall demand is not
expected to exceed 16.5% of the Somerville workforce, labor demand for these positions is
expected to exceed the Somerville labor force threshold by 14.
With these two adjustments, the labor supply gap to be addressed by the jobs linkage fee is 200
positions. Using a standard of $5,000 to $5,500 per person15 for a job training slot that includes
some job readiness and post-placement support, the revenue required from a jobs linkage fee
would be need to be $1,000,000 to $1,100,000. When apportioned to development above
30,000 square feet for the 901,000 of project development, this represents a per square foot
fee amount of $1.59 to $1.74, assuming nine new development building of 100,000 square
feet. If the new development occurs in fewer but large projects, for example five buildings
that average 180,000 square then the warranted fee amount would be $1.33 to $1.46.
15 From interview with Boston Office of Community Jobs which administers Boston’s Neighborhood Jobs Trust.
This is slightly less than the $6,100 cap on ITA vouchers.
Somerville Linkage Study
39 Karl F. Seidman Consulting and ConsultEcon
V. Review of Commercial Linkage Policies and Nexus Studies
Linkage fees charged to commercial development for the purposes of funding affordable housing
is a policy utilized in communities throughout the United States. They are often found in
communities with high housing costs where there is a demonstrated need for affordable housing.
Numerous communities in California have enacted such policies, and they are found in other
states such as Washington, Colorado, Florida and New Jersey. In Massachusetts, Cambridge and
Boston have linkage fee policies. This section reviews selected linkage policies and programs
and nexus studies to identify the best practices associated with linkage fee programs. The key
focus of this review is upon selected issues identified by and relevant to the City of Somerville as
it considers an update of its linkage ordinance.
Justification for Linkage Fees
Linkage fees have been an established policy for local governments for almost three decades,
with the City of Boston’s policy first enacted in 1983. Since the time of the last Somerville
nexus study, there has been no significant change in the legal basis and justification for linkage
fees. The Nollan and Dolan Supreme Court cases continue to be the primary basis for justifying
the linkage fees, as well as an impetus for communities to conduct nexus studies that establish
the relationship between new jobs and housing. The U.S. Supreme Court decision in the Nollan
case [Nollan v. California Coastal Commission, 483 US 825 (1987)] declared that there must be
an essential nexus between the exaction or mitigation imposed on the party and a legitimate state
interest. The U.S. Supreme Court decision in the Dolan case enshrined into law the
proportionality test that mitigations required by municipalities must be roughly proportional to
the impact that the proposed developments will create [Dolan v. City of Tigard, 512 US 687
(1994)]. Further, the Supreme Court clearly placed the burden of proof on the municipalities to
prove, within reason, that the mitigation is in fact necessary.
It should be noted that California cities operate under a different set of constraints than those in
Massachusetts. Mitigation measures such as development linkage fees are used for purposes
beyond housing and job training. Communities impose linkage fees for parks, child care, transit,
housing and schools. The widespread use of linkage fees and other exactions in California was
spurred by the decline in local revenues following the adoption of the property tax limitation
measure known as Proposition 13 (1978). Public concern over the use of linkage fees by
municipalities led the State of California to adopt state law AB 1600 in 1987. AB 1600 requires
cities to demonstrate a rational nexus between the exaction or mitigation imposed and the public
interest that is threatened or affected. The law imposes an additional test of ensuring that the fee
or mitigation imposed is proportional to the harm caused by the development.
Linkage Fee Program / Policy Administration
All of the housing linkage fee programs operate in essentially the same manner. Commercial
developments over a defined size (number of square feet) are subject to a fee assessed per square
foot of new commercial space over the threshold size of development. Linkage fee programs
differ in a variety of ways. Some cities restrict the application of the linkage fee to the
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40 Karl F. Seidman Consulting and ConsultEcon
development of office space, whereas other cities will apply linkage fees to all large
nonresidential commercial space developed in their cities. Cities typically allow developers to
either directly build the required housing or to pay an exaction into an affordable housing trust
fund over a set period of years. Cambridge offers this option to build affordable units, however,
it was reported that no developers had exercised this option over the past decade. Payment of the
linkage fees in Cambridge must occur before the issuance of the certificate of occupancy. In
Boston housing fees are paid over a 7 to 12 year period and the jobs linkage fee is paid 50
percent at building permit and 50 percent at certificate of occupancy.
Many communities adjust the fee on a regular basis, most often based on the Consumer Price
Index (CPI) or a construction cost index, such as the Engineering News Record Construction
Cost Index. Fees are most often adjusted annually, though in practice they may not necessarily
be adjusted depending on local market conditions and operational considerations. It should be
noted that adjustments based on these indices do not take into account changes in land values,
which impact the costs of developing affordable housing. Major revisions to the fee structure are
undertaken less frequently, requiring approval of the local legislative body and a new nexus
study. Many communities have maintained the original fee structures from when the fees were
first enacted, only adjusting based on an index, largely due to the cost and complexity of ere-
evaluating and passing new linkage legislation.
Following are in-depth reviews of linkage programs in Cambridge, Boston and other
communities nearby to Somerville.
City of Cambridge
The City of Cambridge’s commercial linkage fees (referred to as a Housing Contribution) in its
Incentive Zoning Ordinance were first adopted in 1988. (Developers can also opt to create
affordable housing units, under the “Housing Creation” Option, but this has reportedly not
occurred in the past decade.) The Incentive Zoning Ordinance applies to commercial
development of more than 30,000 square feet of gross floor area that seek a Special Permit, such
as an increase in the density or intensity of use, waiver of parking requirements, or changes in
dimensional requirements. The current housing contribution is $4.44 per square foot over 2,500
square feet of the project authorized by the special permit granted. The fee does not vary by type
of use or by size of development. The ordinance allows for annual adjustments, which have been
done regularly (though not every year) according to the housing component of CPI. This last
adjustment was done in May 2012. City Council approval is required to adjust the base fee
calculation. The City conducted a nexus study approximately 10 years ago, but no action was
taken to adjust the base fee.
The Housing Contribution is collected, generally as a lump sum payment, prior to the Certificate
of Occupancy. There are no reported problems with the administration or collection of the fee.
The single fee level is easily understood by developers through there is some confusion about its
applicability under the Incentive Zoning Ordinance. While the city has not systematically
reviewed the impact of the fee on commercial development in Cambridge, there has not been any
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41 Karl F. Seidman Consulting and ConsultEcon
reported push back by developers that indicate that the fee has been a burden or a factor in
decision making.
The City is seeing a growing number of commercial projects that do not trigger the Incentive
Zoning Ordinance. Over time, new categories of Special Permits have been created that aren’t
reflected in the Incentive Zoning Ordinance. Also, certain projects that seek zoning adjustments
have negotiated exemption from linkage fees for provision of other community benefits. Though
no action has been taken, staff and City Council have been evaluating the range of mitigation
payments because of the changing type of development (i.e. more life science space and less
general office space) that has occurred, which has increased housing costs at all levels, not just
those at low and very low income levels. Housing rents have reportedly been trending higher
due largely to the extensive new commercial development in the city.
In addition to the Housing Contribution, Cambridge adopted a 3% property tax surcharge under
the Community Preservation Act in 2001. Each year the City Manager makes recommendations
to the city council on how to allocate CPA revenues with, as required by law, a minimum 10%
allocation each to affordable housing, historic preservation and open space. Since FY2002,
Cambridge has allocated the maximum share, 80%, to affordable housing through its Affordable
Housing Trust (AHT). From FY2002 to FY2011, Cambridge allocated a total of $43,280,000 in
local CPA funds to the AHT and received an additional $30,880,000 in state matching funds16.
These funds helped to finance 34 projects that have provided 1,057 rental units and 147
homeownership units.
City of Boston
Under Article 80 of the Boston Zoning Code, any development project over 100,000 square feet
of gross floor area that involves a Development Impact Use is required to pay a Housing
Exaction and Jobs Contribution Exaction, referred to as linkage fees. The current Housing
Exaction is $7.87 per square foot and the Jobs Exaction is $1.57 per square foot. Development
Impact Uses are linked to specific uses under the city’s zoning ordinance but generally include
office, retail, services, hotel, motel, institutional and educational uses. Linkage fees are paid
into a Neighborhood Housing Trust and Neighborhood Jobs Trust, respectively, and then
allocated by Trustees to help fund creation of affordable housing and job training programs
throughout the City of Boston. Housing fees are paid in seven equal annual installments for
downtown projects and 12 years for neighborhood projects, with the first payment due the sooner
of the issuance of a Certificate of Occupancy date or 24 months after the issuance of the project
building permit. A lump sum amount can also be paid that discounts the 7 or 12 year payment
schedule based on an average of the city and the developer’s cost of capital. Jobs linkage fees
are paid in two equal installments with the first due upon issuance of the building permit and the
second payment due one year later.
16 City of Cambridge, Community Preservation Act Committee FY12 Allocations and Recommendations To the City
Council
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42 Karl F. Seidman Consulting and ConsultEcon
Linkage fees may be increased at three-year intervals based on changes in the consumer price
index (CPI). No inflation adjustments were made until January 2002, when special legislation
provided for an increase to reflect inflation between 1987 and October 1999. The most recent
inflation adjustment occurred in 2006 to cover the change from 2003 to 2006, which established
the current levels. There is no variation in Boston’s housing or jobs linkage fees for either
project size or project use. BRA staff believes the current size threshold and simplicity of a
single fee has worked well. Boston has been a desirable city for development in the 25 years
after the housing and job exactions were established, with considerable new development and
rising commercial rents occurring during this period. BRA staff interviewed as part of the study
reported that linkage fees have not served as a disincentive to development in Boston.
Other Communities with Commercial and Industrial Linkage Programs
Nearby communities, including Malden, Medford and Everett, have not enacted commercial
linkage fees for affordable housing development. However, they have implemented (or are
considering implementing as is the case of Everett) impact fees to support infrastructure
development. The City of Malden requires mitigation for impacts to public facilities and
infrastructure from commercial and industrial development over 4,999 gross square feet. Fees
are $2,000 per 5,000 gross square feet over 4,999 gross square feet. Since the 1990’s the City of
Medford has had office, commercial and industrial impact fees for water, sewer, roads, public
safety and parks. Total development impact fees are: for office, $959.70 per 1,000 gross square
feet within Southeastern Medford and $819.7 per 1,000 gross square feet elsewhere; for
commercial, $1,704.77 per 1,000 gross square feet within Southeastern Medford and $904.63 per
1,000 gross square feet elsewhere; and for industrial, $764.28 per 1,000 gross square feet within
Southeastern Medford and $702.11 per 1,000 gross square feet elsewhere. The City of Everett is
currently considering an ordinance to enact impact fees for parks, streets and public recreational
facilities, and has not established fee levels.
Variation in Commercial Linkage Fees by Type of Development
A majority of communities in California vary commercial linkage fees for different types of
commercial development, while Boston and Cambridge have one fee for all commercial
development. A recent comprehensive survey of 27 California communities17 found that 33
percent had one fee level, typically for general office and industrial uses. Approximately 19
percent had 2 or 3 fees for different types of development, 26 percent had 4 or 5 fees, and 22
percent had 6 to 10 different fees. The types of development are often determined by a
community’s land use or zoning categories or identified by policy leaders.
There is no discernible consistency among communities about which development type warrants
higher fees. In some communities office use has the highest fee, while in others hotel or retail
uses have higher fees. This is because fee levels are determined by both the local economic
conditions and local policy goals related to commercial development. The key economic
17 Jobs Housing Nexus Study, Prepared for the City of San Diego, Prepared by Keyser Marston Associates, Inc.,
October 2010.
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43 Karl F. Seidman Consulting and ConsultEcon
determinants of fees by development types are the density of employment (i.e. the number of
jobs per square foot of development) and the occupational distribution and wage levels for
different uses. California nexus studies reviewed most often identify the maximum level of fee
warranted for different types of development. Ultimately, policy makers have leeway up to the
fee maximum to set fees based on policy goals, local market conditions, and other in place
policies that impact different types of development.
Size Thresholds and Exemptions for the Application the Linkage Fee
Communities vary in the size threshold that triggers the application of linkage fees and size of
developments that are exempt from the fees. In Boston the linkage fees apply to developments
over 100,000 square feet and in Cambridge over 30,000 square feet. In Cambridge, the fee
applies to the portion of development over 2,500 square feet. Unlike in Massachusetts
communities, the aforementioned survey of California linkage fee programs indicated that a
majority of the communities had no minimum size threshold for application of commercial
linkage fees. Three communities had size thresholds that ranged from 7,500 square feet in
Berkeley to 25,000 square feet in San Francisco. Five communities also exempt a portion of the
development, ranging from 500 square feet to 25,000 square feet. Mountain View, CA discounts
the linkage fees by 50 percent if the development falls below a certain size of development for
different types of development.
Very few communities vary the linkage fee by size of development and neither Boston nor
Cambridge does this. In California, the City of Napa has reduced fees for larger warehouse
developments and the City of Folsom, which has one fee for all commercial development types,
reduces fees for larger developments. These communities, however, are the exception and not
the norm.
Summary
The jobs housing nexus methodology and program administration are very similar across linkage
programs. However, there are important differences that offer insights for Somerville when
considering updating its linkage ordinance. Unlike Massachusetts communities, which have one
fee level for different types of development, a majority of California communities vary fees for
different types of commercial development. The variations are most often driven by local
economic conditions and policy goals. In addition, the size threshold that triggers the linkage
fees tends to be lower in California communities than in Massachusetts. Some communities
offer fee exemptions, or reduced fees, for smaller developments. Another important mechanism
is that linkage fees are often adjusted based on CPI or another standard construction cost index.
Because of the cost and complexity of updating linkage legislation, adjusting fees based on an
index makes for more straightforward administration and allows for a better reflection of the
changes to the jobs housing nexus over time.
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44 Karl F. Seidman Consulting and ConsultEcon
VI. Linkage Fee Policy Options
This section considers several options for changing Somerville’s current linkage formula and
assesses the impact of linkage fees on Somerville’s competitiveness for attracting businesses and
development. Four key policy changes to the current linkage are discussed:
1. Varying the linkage fee by land use or development type
2. Varying the linkage fee by development size
3. Updating applicable uses under the current policy
4. Phasing in the linkage fee for the first 30,000 square feet of development
Linkage Fees and Land Use Type
As noted in the prior section, several California communities vary their housing linkage fee for
different types of development. The basis for this variation is differences in housing market
impacts and the need for new affordable housing across development uses and businesses. Three
factors combine to shape this development impact: the density of employment at a project (i.e.,
the amount of square feet per employee), wage levels at tenant firms and the share of workers
expected to seek housing in Somerville. Table 23 summarizes the individual factors and their
combined impact for office, industrial and a third group that includes retail, restaurant, hotel and
cinema projects. The percentage of workers likely to move to Somerville is based on the
employee survey, although the survey did not encompass all uses. For example, there were no
cinemas or hotel respondents so the figure in this category is based on retail and restaurant
workers. The far right column represents the combined impact—it estimates the demand for new
affordable housing for every 10,000 square feet, assuming all workers are in single wage earner
households18. Office use has the largest impact on the need for affordable housing with a higher
density of employees and employees who are fairly likely to seek housing in Somerville—factors
that offset the smaller share of lower wage workers. Despite the highest proportion of workers
with earnings below the low-income threshold, retail, restaurant, hotel and cinema uses have the
least impact on affordable housing demand with low job density and less than 7% of workers
expected to seek housing in Somerville.
Based on this analysis, higher housing linkage fees could be justified for office and industrial
uses at a level of 1.8 to 1.9 times the fee for retail, restaurant, hotel and cinema uses. Although a
policy case for this change exists, and several developers viewed this type of variation as fair,
there are potential disadvantages to this policy. First, this policy would be more complicated to
explain and administer, especially for mixed use projects that combine offices with
retail/restaurant uses. The policy and its administration also might require fee adjustments if a
project’s actual tenant mix is different than what was expected at certificate of occupancy. For
example, a developer may expect ground floor retail tenants but end up with an insurance,
agency, bank or medical offices. Second, this policy will set Somerville apart from its
18 No data was available on the number of wage earners and household size by a worker’s industry of employment.
It is reasonable to assume that these household characteristics will not be closely linked to a worker’ industry sector
and land use type.
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45 Karl F. Seidman Consulting and ConsultEcon
neighboring cities of Cambridge and Boston that have a uniform fee across land use type, which
may create some confusion among developers or misperceptions that Somerville is seeking to
discourage certain types of development by charging higher linkage fees. Finally, a differential
impact fee will result in higher linkage fees for large office developments—a type of use that
Somerville has historically not attracted and is trying to generate under the SomerVision
comprehensive plan and Assembly Square Master Plan in particular.
Since the jobs linkage fee, if enacted, will be a new policy and it is partly directed at addressing
employment barriers for low-income worker across business types, it is not appropriate to vary
this part of the linkage fee by land use category.
Table 23. Impact on Affordable Housing Need by Development Type
Type of Use
Square
Feet (sf)
per
Employee
Jobs
per
10,000
sf
Percentage of
Jobs with Median
Earnings below
Low Income
Threshold
Percentage
of Workers
Likely to
Move to
Somerville
Impact on
Need for
Affordable
Housing
Units
Office
225
44.4
37.3%
17.5%
2.9
Industrial
750
13.3
86.0%
24.2%
2.8
Retail, Restaurant,
Hotel, Cinema
406
24.6
89.5%
6.8%
1.5
Source: Karl F. Seidman Consulting Services and ConsultEcon, Inc.
Linkage Fee and Development Size
A recent policy brief proposed extending the current linkage fee to applicable projects below
30,000 square feet via a phased fee: buildings below 20,000 square feet would pay one-third of
the full linkage fee rate; and buildings between 20,000 and 30,000 square feet would pay 66% of
the full rate. The argument for extending the linkage fee to smaller buildings is that new
development of all sizes generate new employment opportunities and create new demand for
affordable housing . Consequently, it is unfair to exclude these building from linkage payments.
The sliding scale is intended to account for less intensive impacts from small projects that will
have fewer and smaller tenants, and are less likely to include large employers with a high density
of new workers.
Somerville assessor records on building use was used as a proxy to assess whether employment
and affordable housing impacts are likely to vary by building size and are greater for large
projects. As summarized in Table 24, the pattern between building size and uses that have a
greater affordable housing impact is mixed. Small buildings less than 20,000 square feet are
primarily retail—the use for which the affordable housing impacts are lowest. However, the
mid-size building are almost equally divided between retail, office and industrial use while
buildings over 30,000 square feet are 44% retail, 44% office and industrial and 12% mixed retail
and office.
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46 Karl F. Seidman Consulting and ConsultEcon
Table 24. Distribution of Uses by Building Size in Somerville
Building Size
Retail
Use
Office Use
Industrial
Use
Mixed Use
Retail and Office
Total
Under 20,000
15
1
3
2
21
20,000 to 30,000
6
7
6
0
19
Above 30,000*
15
9
6
4
34
Source: Consultant Analysis of Somerville Assessor Records; *Does not include one parking garage
Based on the existing uses in Somerville buildings, there is a good rationale for excluding below
20,000 square feet from linkage fees, or applying a lower fee to these small properties. On the
other hand, buildings between 20,000 and 30,000 square feet may have a larger impact than
larger building since they are primarily house office and industrial firms. While, future
development may not represent this existing pattern, as industrial uses are less likely to be
represented in new developments, office uses, and their associated impacts on affordable housing
demand, will probably constitute a large share of future mid-size developments.
Beyond the employment and affordable housing impacts, there are two other reasons why a
building size threshold policy for linkage fees can be justified. First, the economics of
developing small properties is less favorable than larger projects since small projects must
amortize land and other fixed development costs (e.g. legal fees and project management) over a
smaller amount of leasable space. Consequently, linkage fees are more likely to impact the
financial feasibility of such projects. Second, small developments, with small leasable spaces,
tend to attract more small, independent and start-up businesses. These tenants are less able to
afford any increases in rents that may result from linkage fees than the larger and more
established businesses that tend to occupy larger projects.
Finally, extending the linkage fee to all properties below 30,000 square feet will not generate a
large amount of new linkage fee revenue or significantly change the incidence of linkage fee
payments. Most of Somerville’s permitted and proposed new non-residential development is for
larger buildings; only two projects included in the planning department’s list of “Potential Future
Projects” are less than thirty thousand square feet. As noted above, high land costs in Somerville
and substantial fixed costs make it difficult to undertake and finance small projects, which
suggest that the number of new small development projects will be limited, other than for
renovations of existing buildings. As shown in Table 25, 77% of existing non-residential
building space in Somerville is in properties over 30,000 square feet. If the proposed phased
linkage fee schedule was applied to Somerville’s existing building stock, 89% of the payments
would be made by large buildings.
An alternative to extending linkage payments to all non-residential development is reducing the
threshold project size to 20,000 square feet. This change would extend linkage payments to
almost all new development but not affect the smallest projects for which linkage fees would
have the greatest impact on development costs and rents. Most importantly, these mid-size
projects have attracted uses that generate a relatively high demand for affordable housing.
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47 Karl F. Seidman Consulting and ConsultEcon
Table 25. Distribution of Somerville Buildings Square Footage
and Hypothetical Phased Linkage Payments by Building Size
Building Size
Percent of
Buildings
Percent of
Square Feet
Percentage of Phased
Linkage Fee
Under 20,000
28%
10%
5%
20,000 to 30,000
25%
13%
6%
Above 30,000*
47%
77%
89%
Source: Consultant Analysis of Somerville Assessor Records; *Does not include one parking garage
Applicable and Exempt Uses
Under Somerville’s existing zoning ordinance, linkage fees are applied to ten specifically
referenced land use categories. While these ten categories encompass many development types
with affordable housing and job training impacts, they exclude several other land use definitions
that are likely to generate these impacts. Uses that are currently exempt under Somerville’s
linkage ordinance include:
• Institutional Uses that include religious, educational, childcare, library, museum or
gallery, hospital, and nursing home (7.11.15)
• Recreational uses that include commercial health, exercise, racquet, weight reduction,
bowling or similar facilities (7.11.6.3) and theaters and cinemas (7.11.6.4)
• Several commercial and industrial uses, including laundry and dry cleaning,
wholesale bakeries, industrial services and bottle redemption/recycling centers
(7.11.12.1, 7.11.12.2 and 7.11.12.3)
• All industrial uses (7.11.14) and
• Accessory manufacturing to a retail or other business (7.11.16.3)
Since new construction or substantial rehabilitation of properties for these uses will generate
similar impacts from new employment as the uses currently subject to linkage fees, a consistent
and fair application of a housing and jobs linkage policy should encompass most of these uses.
One exception could be made for uses have important civic value, e.g., religious, educational,
childcare, library, museum and art galleries or studios. Moreover, with the adoption of
additional land use tables in Somerville’s zoning ordinance, the language in the current linkage
ordinance does not reference the new use table. To address both issues, Somerville should
consider changing the structure of linkage fee provisions to apply to all non-residential uses with
a listing of the specific uses that are exempt. This change would also make the linkage fee easier
to understand since developers and property owners would no longer have to cross-reference a
complex table of zoning uses to determine if the linkage fee applied to their project.
Phasing in Linkage Fees for Large Properties
An alternative to extending the linkage fee to smaller properties is applying the fee to the full
amount of non-residential space in projects over 30,000 square feet with a phase-in of the fee for
the first 30,000 square feet of space. This policy would make the first 30,000 square feet in a
large development, which is now exempt from any fee subject to linkage fees on a phased basis,
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48 Karl F. Seidman Consulting and ConsultEcon
with a 33% fee level applicable to the first 20,000 square feet and a 66% rate paid on the next
10,000 square feet. This policy would not change the gross warranted amount that linkage fees
that need to be raised, but would change how the fee is allocated across projects. Most notably,
by applying the fee to a larger amount of square footage, it would lower the nominal fee rate. It
would also increase linkage payments for smaller projects relative to larger ones since the first
30,000 square feet will constitutes a larger portion of space and fees for smaller projects. Table
26 demonstrates the impact of this phase-in proposal on properties of different sizes, based on a
low combined housing and jobs linkage fee of $4.66 per square foot. This analysis shows that
the phase-in policy would have a large impact on smaller properties, more than doubling the fee
for a 40,000 square foot project and increasing it by 54% for a 50,000 square foot development.
A phase-in would also make the fee somewhat more complicated and create the potential for
confusion or miscalculation among developers.
Table 26. Comparison of Linkage Fees on Different Building Size Under Fee Phase-In
Building Size
Linkage Fee with 33%/66%
Phase-In under 30,000
Square Feet
Linkage Fee with 30,000
square foot Exemption and
no Phase-In
Difference
40,000
$99,479
$46,647
$52,832
50,000
$142,358
$93,294
$49,063
100,000
$356,752
$326,530
$30,222
150,000
$571,146
$559,766
$11,380
200,000
$785,540
$793,001
-$7,461
Impact on Somerville’s Competitiveness
An important consideration for Somerville in setting its linkage fee is the potential impact of the
fee on attracting new development and tenants. A linkage fee increases development costs,
which developers must offset through either paying less for land (or an existing building in the
case of renovation projects), reducing their return on investment, or collecting higher rents from
tenants. The last option, raising rents, impacts Somerville’s competiveness is attracting
businesses to new development projects. Interviews with developers and brokers indicated that
the major new developments in Somerville are primarily competing with Boston and Cambridge
(with East Cambridge and the Boston Seaport emphasized) in seeking new tenants, and to a
lesser extent with major suburban office centers. A developers’ capacity to pass on the linkage
fee to tenants and still remain competitive in attracting tenants is a function of rent differentials
between Somerville and other communities. Table 27 compares office rents for Somerville and
competing areas in Boston, Cambridge and the Boston North Market Area. Somerville has a
large rent differential with both Cambridge and Boston, varying from almost $17 compared with
Boston’s Seaport District to just under $23 for East Cambridge. While these rents include
existing buildings and new development, these large differentials are indicative of higher land
costs for Cambridge and Boston and provide substantial space for Somerville to maintain a rent
advantage and absorb a linkage fee. Developers and brokers indicated that Somerville needs a
rent differential of 10% to 20% with Boston and Cambridge to be competitive in attracting office
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49 Karl F. Seidman Consulting and ConsultEcon
tenants, or $5 to $9 as square foot. The warranted combined housing and jobs linkage fee
discussed in this report ranges from $4.66 to $10.05 per square foot. If a developer passed on
this fee in full to tenants, it would increase rents by $0.38 to $1.02 per square foot for a ten-year
lease19. This would have a small impact on rent differentials—in the range of .9% to 2.5% of
Cambridge and Boston rents. As such, it should not threaten developers’ ability to maintain a
competitive rent advantage for Somerville. The marginal impact on Somerville’s current rent
differential will be even less given the existing $3.91 fee; rent increases from a linkage fee
increase would range from $0.06 to $0.63 per square foot.
Table 27. 2012 Office Rents in Somerville, Cambridge, Boston and Suburbs
Community
Average Asking Rent Per
Square Foot
Somerville
$24.23
Cambridge
$42.87
East Cambridge
$47.12
Boston
$46.30
Boston-Seaport District
$41.06
Boston North Market Area
$19.64
Source: Jones Lang LaSalle Office Statistics, Boston Q3, 2012
While linkage fees are unlikely to affect leasing decisions when tenants are choosing between
Boston, Cambridge and Somerville, they are more likely to affect Somerville’s competitiveness
with suburban locations that currently have average rents below Somerville. Somerville’s
current $4.59 rent premium over the Boston North Market Area would increase by over $0.08
per square foot (or 2%) under a $4.66 per square foot fee and $0.63, or 14%, under the $10.05
fee. These are not large dollar impacts but for highly cost-conscious firms leasing a large
amount of space and comparing Somerville to other suburban locations, the rent differential
could deter some tenants from locating in Somerville.
Interviews with developers indicate that Somerville’s current linkage fee is not a deterrent to
development. However, they expressed concerns that Somerville needs to be conscious of its
overall development costs and ensure that it maintains a rent advantage compared to Boston and
Cambridge. While developers stated that any increase in the linkage fee adds to development
costs and can result in higher rents or make a project infeasible, they cited location, limited
amenities and the absence of nearby firms and development as greater barriers to attracting
tenants needed to finance and complete projects. Developers did not view current linkage fees as
a major consideration or barrier to attracting tenants. However, there was some concern about
that combined impact of development fees and costs added during the design review process on
overall development costs. Several developers cited the mayor’s predevelopment approach and
19 These calculations are based on the current 30,000 square foot exemption, 85% net leasable space and building
sizes between 100,000 and 225,000 square feet. The low figure represents one-tenth of the total linkage fee under
the $6.74 rate paid by a 100,000 square foot building divided by 85,000 square feet of leasable space. The high
figure is based on one tenth of the total fee at the $12.68 rate for a 225,000 square foot building divided by 191,250
leasable space to yield the $1.29
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50 Karl F. Seidman Consulting and ConsultEcon
flexibility in considering incentives to attract new firms and mitigate the impact of fees as a
positive influence.
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51 Karl F. Seidman Consulting and ConsultEcon
VII. Recommended Linkage Fees and Policies
The analysis detailed in this report supports an increase in Somerville’s current housing linkage
fee and the establishment of a new jobs linkage fee. Projected new development of 901,000
square feet over the next 10 years will generate demand for 89 additional affordable housing
units, all of which must be supplied through the construction of new subsidized rental housing.
The required subsidy to build these units is $18.95 million but the contribution from linkage fees
is between $2.5 million and $5.2 million, after factoring in the availability of other funding
sources. A linkage fee in the range of $4.66 and $10.05 per square foot is required to raise this
amount, depending on the size of new development projects and share of subsidy raised from
other sources. A jobs linkage fee is also warranted to address employment barriers and
occupational skill gaps in the city’s labor force and ensure that Somerville residents fully benefit
from job opportunities in the future development projects. A jobs linkage fee in the range of
$1.33 to $1.74 per square foot is warranted to fund the $1.0 million to $1.1 million in
employment and training services to advance these local employment benefits. Although a jobs
linkage fee is rare and Somerville would be joining Boston as the second city to adopt this fee, it
will allow Somerville to fund training that reduces employment barriers for less educated
workers and potentially fill skills gaps for some employers. This later use of jobs linkage funds
can provide an incentive to attract firms to Somerville, especially if the labor market tightens
with continued economic growth.
In light of Somerville’s need to provide a development environment and occupancy cost that is
competitive with other communities and the large increase from the current $3.91 per square foot
from the high end of the new warranted fee range, we recommend that Somerville adopt a mid-
range linkage fee: $5.15 per square foot for housing linkage and $1.40 for jobs linkage for a
combined fee of $6.55. The fee level is midway between current linkage fees in Cambridge and
Boston: it is $2.11 above Cambridge’s rate of $4.44 and $2.89 below Boston’s fee of $9.44. To
the extent this fee leads to any rent increases, the impact would be in the range of $0.22 to $0.27
per square foot, which is unlikely to make Somerville uncompetitive in attracting firms or impact
the ability to attract private equity investment to finance new development.
We also recommend that Somerville continue to apply a uniform linkage fee across land uses,
and allow for the payment of the housing linkage fee over five years with the first payment due
with the certificate of occupancy. Payment of the Jobs Linkage fee should occur earlier than the
housing linkage fees to provide funds to train Somerville residents in advance of tenant
occupancy and hiring. Consequently, it is recommended that the jobs linkage fee payment be
made in two equal installments: the first with the issuance of the building permit and the second
at the one year anniversary of the first payment. This fee payment replicates Boston’s policy.
Somerville should also consider two other changes to its current linkage policies:
1. Provide for regular increases in the linkage fee rate to account for inflation. This change
will allow the linkage fee to be increased every three years based on an inflation index,
such as the Consumer Price Index alone (as is done in Boston) or a weighted combination
of the CPI (to address the jobs linkage fee) and a construction cost index (to address the
Somerville Linkage Study
52 Karl F. Seidman Consulting and ConsultEcon
housing linkage fee). Two options for a construction cost index are: (1) the producer
price indexes for material and supply inputs to construction industries prepared by the
U.S. Bureau of Labor Statistics; and (2) the McGraw-Hill Building Cost Index.
2. Reduce the development size threshold from 30,000 to 20,000 square feet. This would
expand the fee base, slightly reduce the fee rate and ensure that mid-size projects, which
often include office tenants with higher affordable housing and jobs impacts, share in
paying to mitigate these impacts. This change in the project size threshold would reduce
the recommended linkage fee to $6.15 ($4.84 for housing and $1.31 for jobs).
Additional Jobs Linkage Recommendations
If a new jobs linkage fee is adopted, Somerville will need to adopt policies for the use and
administration these new linkage funds. These polices should address the ongoing needs and
trends identified in practitioner interviews and apply effective practices gained from Boston’s
twenty-five year history with the Neighborhood Jobs Trust. Although further consultation with a
range of stakeholders is needed to set these polices, the following recommendations are offered
to guide future decision-making on the uses and administration of a jobs linkage fee:
• Establish a Somerville Jobs Trust (SJT), similar to the Somerville Housing Trust, to
administer and award jobs linkage payments.
• The purpose of linkage fees would be to provide education, training and related
employment services to prepare and connect low-income and less educated Somerville
residents to jobs and career opportunities with Somerville employers. HUD’s low-
income threshold at 80% of area median income can provide the basis for participant
income eligibility. This threshold targets workers at a lower income level who are have
the greatest need for training services to improve their earnings. It is considerably higher
than low-income definition used for eligibility under federal WIA programs so it will
allow Somerville to serve residents with employment barriers who fall outside WIA
eligibility. Using the HUD low-income definition will also allow Somerville to combine
CDBG funds with Jobs Trust Funds if it so desires. Since a higher income threshold of
100% or 110% of median income will serve more workers in the middle of the income
distribution it will be less effective at improving earnings for the disadvantaged.
However, this higher income limit might be applied, on a case-by-case basis for a
“Project-based” program (discussed below) when it is needed to address an occupational
employment gaps for specific employers in a new project.
• Allow for two broad uses of jobs linkage funds: (1) a “Project-based” job training and
employment program tied to jobs with specific employers in new development projects—
this would use the linkage fees paid by a developer to train workers and directly benefit
employers in the new development. This form of the linkage fee could help attract new
employers to Somerville by addressing their workforce and hiring needs. The training
provider and specific training program would require approval by the SJT; (2) citywide
training programs that can address broader employment barriers (that may be pre-
requisites to skills training) and/or prepare Somerville workers for occupations and jobs
that are not limited to firms in new development projects. These programs help residents
Somerville Linkage Study
53 Karl F. Seidman Consulting and ConsultEcon
benefit from citywide job opportunities, provide a hedge against insufficient timing or
tenant commitment to develop a training program, and can benefit firms in new
developments by expanding the supply of local skilled workers to fill positions as they
turnover.
• Incorporate outreach, job readiness and post-job placement case management support
into programs funded by the SJT. Outreach will increase resident awareness of and
participation in programs. Job readiness and case management components contribute to
successful and sustained employment outcomes for participants.
• Award citywide funds through a competitive process that considers the job training
provider’s past performance, employer relationships and partnerships to recruit targeted
Somerville residents. For each competitive funding round, the SJT would develop
criteria and targets that reflect gaps in training services at that time, compliment existing
programs and encourage innovation. Somerville may need to rely on providers from
outside the city to deliver the most effective programs, but should encourage partnerships
with local organizations to ensure successful outreach and recruitment.
• Contracts should be performance based with funds paid based on a program’s enrollment
and job placement results, although the specific standards can be customized to the
specific type of workers and occupations targeted.
Somerville Linkage Study
54 Karl F. Seidman Consulting and ConsultEcon
Appendix A. Data Tables on Somerville Housing Market
Appendix Table 1
Population and Household Trends, 2000 and 2010
Boston MSA 1/
2000
2010
2010
2000
2010
Population
77,478
75,754
-0.2%
4,552,402
6,016,425
6,547,629
0.9%
Households
31,555
32,105
0.2%
1,760,584
2,247,110
2,547,075
1.3%
Average Household Size
2.38
2.29
-0.4%
2.50
2.58
2.48
-0.4%
Household type
Families
46.5%
41.8%
-1.0%
62.6%
67.4%
63.0%
-0.7%
Non-Families
53.5%
58.2%
0.9%
37.4%
32.6%
37.0%
1.4%
Tenure
Owner
30.6%
32.4%
0.6%
61.5%
59.3%
62.3%
0.5%
Renter
69.4%
67.6%
-0.3%
38.5%
40.7%
37.7%
-0.7%
1/ 2000 data is not available for the Boston MSA due to a change in its geographic definition between 2000 and 2010.
Source: U.S. Census, 2000; U.S. Census, 2010; and ConsultEcon, Inc.
Somerville
Massachusetts
Average
Annual
Change,
2000-2010
Average
Annual
Change,
2000-2010
Somerville Linkage Study
55 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 2
Age Distribution of Population, 2000 and 2010
Age
Number
Percent
Number
Percent
Somerville
Under 20
13,827
17.8%
11,252
14.9%
-1.9%
20-24
9,992
12.9%
9,222
12.2%
-0.8%
25-44
32,985
42.6%
34,571
45.6%
0.5%
45-64
12,575
16.2%
13,800
18.2%
1.0%
65 and over
8,099
10.5%
6,909
9.1%
-1.5%
Total
77,478
100.0%
75,754
100.0%
-0.2%
Median Age
31.1
31.4
Boston MSA 1/
Under 20
1,119,890
24.6%
20-24
336,178
7.4%
25-44
1,248,417
27.4%
45-64
1,251,874
27.5%
65 and over
596,043
13.1%
Total
4,552,402
100.0%
Median Age
38.5
Massachusetts
Under 20
1,675,113
26.4%
1,621,143
24.8%
-0.3%
20-24
404,279
6.4%
475,668
7.3%
1.8%
25-44
1,989,783
31.3%
1,732,290
26.5%
-1.3%
45-64
1,419,760
22.4%
1,815,804
27.7%
2.8%
65 and over
860,162
13.5%
902,724
13.8%
0.5%
Total
6,349,097
100.0%
6,547,629
100.0%
0.3%
Median Age
36.5
39.1
1/ 2000 data is not available for the Boston MSA due to a change in its geographic definition between 2000 and 2010.
Source: U.S. Census, 2000; U.S. Census, 2010; and ConsultEcon, Inc.
2000
2010
Average
Annual
Change,
2000-2010
Somerville Linkage Study
56 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 3
Household Income Distribution, in 2010 inflation adjusted dollars
Appendix Table 4
Employed Residents by Occupation and Industry, 2006-2010 Estimates
Households
% of Total
Households
% of Total
Households
% of Total
Less than $10,000
2,363
7.4%
112,412
6.5%
171,690
6.8%
1.08
$10,000 to $14,999
1,602
5.0%
78,529
4.5%
128,839
5.1%
0.98
$15,000 to $24,999
2,645
8.3%
131,007
7.6%
212,765
8.5%
0.98
$25,000 to $34,999
2,465
7.7%
126,782
7.3%
198,325
7.9%
0.98
$35,000 to $49,999
4,311
13.5%
184,687
10.6%
283,914
11.3%
1.20
$50,000 to $74,999
5,495
17.2%
289,080
16.7%
428,839
17.1%
1.01
$75,000 to $99,999
4,724
14.8%
232,772
13.4%
338,488
13.5%
1.10
$100,000 to $149,999
5,153
16.1%
304,706
17.6%
412,161
16.4%
0.98
$150,000 to $199,999
1,865
5.8%
135,620
7.8%
170,308
6.8%
0.86
$200,000 or more
1,295
4.1%
139,580
8.0%
167,223
6.7%
0.61
Total Households
31,918
100.0%
1,735,175
100.0%
2,512,552
100.0%
1.00
Median Household Income
$61,731
$69,983
$64,509
Mean Household Income
$74,884
$93,077
$85,897
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Somerville
Massachusetts
Ratio of
Somerville
to MA
Boston MSA
Employed
Residents
% of Total
Employed
Residents
% of Total
Employed
Residents
% of Total
Occupation
Management, business, science, and arts occupations
24,326
51.2%
1,057,238
45.5%
1,400,638
42.8%
Service occupations
7,981
16.8%
365,057
15.7%
541,505
16.6%
Sales and office occupations
10,162
21.4%
561,531
24.1%
790,915
24.2%
Natural resources, construction, and maintenance occupations
2,650
5.6%
157,866
6.8%
241,318
7.4%
Production, transportation, and material moving occupations
2,360
5.0%
184,429
7.9%
297,159
9.1%
Total (Employed Civilian Population 16 Years and Older)
47,479
100.0%
2,326,121
100.0%
3,271,535
100.0%
Industry
Agriculture, forestry, fishing and hunting, and mining
110
0.2%
7,249
0.3%
12,821
0.4%
Construction
1,917
4.0%
127,717
5.5%
191,971
5.9%
Manufacturing
3,102
6.5%
212,986
9.2%
323,351
9.9%
Wholesale trade
709
1.5%
61,370
2.6%
87,944
2.7%
Retail trade
4,037
8.5%
242,329
10.4%
350,202
10.7%
Transportation and warehousing, and utilities
1,152
2.4%
83,776
3.6%
123,187
3.8%
Information
1,719
3.6%
69,100
3.0%
88,659
2.7%
Finance and insurance, and real estate and rental and leasing
3,097
6.5%
203,445
8.7%
264,145
8.1%
Professional, scientific, and management, and administrative and waste management services
8,909
18.8%
333,403
14.3%
416,530
12.7%
Educational services, and health care and social assistance
13,853
29.2%
605,714
26.0%
872,032
26.7%
Arts, entertainment, and recreation, and accommodation and food services
4,333
9.1%
182,781
7.9%
261,420
8.0%
Other services, except public administration
2,799
5.9%
103,465
4.4%
146,731
4.5%
Public administration
1,742
3.7%
92,786
4.0%
132,542
4.1%
Total (Employed civilian Population 16 Years and Older)
47,479
100.0%
2,326,121
100.0%
3,271,535
100.0%
Population 16 years and Older
66,990
3,622,314
5,224,911
Percent of Population 16 Years and Older Employed
70.9%
64.2%
62.6%
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Somerville
Massachusetts
Boston MSA
Somerville Linkage Study
57 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 5
Travel Time to Work, 2006-2010 Estimates
Appendix Table 6
Age of Housing Stock, 2006-2010 Estimates
Travel Time to Work
Employed
Residents
% of Total
Employed
Residents
% of Total
Employed
Residents
% of Total
Less than 5 minutes
755
1.7%
54,360
2.5%
86,520
2.8%
5 to 9 minutes
2,496
5.5%
182,667
8.4%
292,262
9.5%
10 to 14 minutes
4,495
9.9%
262,637
12.1%
414,274
13.5%
15 to 19 minutes
4,887
10.8%
268,698
12.4%
411,964
13.5%
20 to 24 minutes
6,486
14.3%
290,363
13.4%
418,476
13.7%
25 to 29 minutes
2,909
6.4%
129,035
5.9%
176,934
5.8%
30 to 34 minutes
9,002
19.9%
331,525
15.3%
425,123
13.9%
35 to 39 minutes
1,756
3.9%
75,693
3.5%
98,442
3.2%
40 to 44 minutes
3,278
7.2%
114,928
5.3%
145,136
4.7%
45 to 59 minutes
5,787
12.8%
231,720
10.7%
289,143
9.4%
60 to 89 minutes
2,694
6.0%
179,197
8.2%
227,455
7.4%
90 or more minutes
720
1.6%
52,807
2.4%
74,746
2.4%
Total
45,265
100.0%
2,173,630
100.0%
3,060,475
100.0%
Percent Commuting 30 Minutes or More
51.3%
45.4%
41.2%
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Somerville
Massachusetts
Boston MSA
Year Built
Number of
Units
% of Total
Number of
Units
% of Total
Number of
Units
% of Total
Built 2005 or later
325
1.0%
43,118
2.3%
55,903
2.0%
Built 2000 to 2004
520
1.5%
81,106
4.3%
112,908
4.1%
Built 1990 to 1999
625
1.8%
132,688
7.1%
206,407
7.4%
Built 1980 to 1989
1,382
4.1%
198,916
10.7%
304,619
10.9%
Built 1970 to 1979
1,966
5.8%
210,720
11.3%
327,885
11.8%
Built 1960 to 1969
1,342
4.0%
198,202
10.6%
291,161
10.5%
Built 1950 to 1959
1,737
5.1%
206,401
11.1%
318,820
11.4%
Built 1940 to 1949
1,848
5.5%
108,317
5.8%
170,165
6.1%
Built 1939 or earlier
24,116
71.2%
687,114
36.8%
998,209
35.8%
Total
33,861
100.0%
1,866,582
100.0%
2,786,077
100.0%
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Somerville
Massachusetts
Boston MSA
Somerville Linkage Study
58 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 7
Occupied Housing Units by Unit Type and Tenure, 2006-2010 Estimates
Unit Type
Number of
Units
% of Total
Number of
Units
% of Total
Number of
Units
% of Total
Owner-Occupied
1, detached
2,827
26.6%
805,795
73.5%
1,243,662
77.3%
1, attached
547
5.1%
66,885
6.1%
85,800
5.3%
2
4,629
43.5%
80,070
7.3%
108,524
6.7%
3 or 4
1,648
15.5%
42,926
3.9%
59,516
3.7%
5 to 9
281
2.6%
20,531
1.9%
25,464
1.6%
10 to 19
313
2.9%
17,473
1.6%
20,165
1.3%
20 to 49
292
2.7%
20,627
1.9%
22,650
1.4%
50 or more
109
1.0%
23,168
2.1%
25,174
1.6%
Mobile home
0
0.0%
17,997
1.6%
17,265
1.1%
Boat, RV, van, etc.
0
0.0%
224
0.0%
254
0.0%
Total Owner-Occupied Units
10,646
100.0%
1,095,696
100.0%
1,608,474
100.0%
Renter-Occupied
1, detached
889
4.2%
51,194
8.0%
87,297
9.7%
1, attached
519
2.4%
30,003
4.7%
40,990
4.5%
2
5,705
26.8%
108,177
16.9%
153,658
17.0%
3 or 4
6,622
31.1%
137,185
21.5%
206,734
22.9%
5 to 9
2,809
13.2%
82,624
12.9%
125,031
13.8%
10 to 19
1,006
4.7%
65,686
10.3%
86,037
9.5%
20 to 49
1,931
9.1%
66,952
10.5%
79,702
8.8%
50 or more
1,791
8.4%
95,138
14.9%
121,904
13.5%
Mobile home
0
0.0%
2,420
0.4%
2,500
0.3%
Boat, RV, van, etc.
0
0.0%
100
0.0%
225
0.0%
Total Renter Occupied Units
21,272
100.0%
639,479
100.0%
904,078
100.0%
Total Occupied Units
31,918
1,735,175
2,512,552
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Somerville
Massachusetts
Boston MSA
Somerville Linkage Study
59 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 8
Housing Unit Occupancy and Vacancy Rates, 2000-2010
Appendix Table 9
Household Size by Household Tenure, 2000-2010
Tenure
Number of
Units
% of Total
Number of
Units
% of Total
Number of
Units
% of Total
Number of
Units
% of Total
Number of
Units
% of Total
Owner-Occupied Housing Units
9,663
29.8%
10,395
30.8%
1,082,688
57.5%
1,508,248
57.5%
1,587,158
56.5%
Renter-Occupied Housing Units
21,892
67.4%
21,710
64.4%
677,896
36.0%
935,332
35.7%
959,917
34.2%
Vacant Housing Units
922
2.8%
1,615
4.8%
122,622
6.5%
178,409
6.8%
261,179
9.3%
Total
32,477
100.0%
33,720
100.0%
1,883,206
100.0%
2,621,989
100.0%
2,808,254
100.0%
Homeowner Vacancy Rate 2/
0.8%
1.3%
1.5%
0.7%
1.5%
Rental Vacancy Rate 3/
1.6%
3.6%
5.9%
3.5%
6.5%
1/ 2000 data is not available for the Boston MSA due to a change in its geographic definition between 2000 and 2010.
Source: U.S. Census, 2000; U.S. Census, 2010; and ConsultEcon, Inc.
3/ The rental vacancy rate is the proportion of the rental inventory that is vacant "for rent." It is computed by dividing the total number of vacant units "for rent" by the sum of the renter-occupied units, vacant
units that are "for rent," and vacant units that have been rented but not yet occupied; and then multiplying by 100.
2000
Somerville
2010
Massachusetts
2000
2010
Boston MSA
1/
2010
2/ The homeowner vacancy rate is the proportion of the homeowner inventory that is vacant "for sale." It is computed by dividing the total number of vacant units "for sale only" by the sum of owner-occupied
units, vacant units that are "for sale only," and vacant units that have been sold but not yet occupied; and then multiplying by 100.
Number
of Units
% of
Total
Number
of Units
% of
Total
Number
of Units
% of
Total
Number
of Units
% of
Total
Number
of Units
% of
Total
Owner occupied
1 person
2,400
24.8%
3,164
29.7%
228,864
20.9%
297,972
19.8%
343,656
21.4%
2 persons
3,195
33.1%
3,824
35.9%
369,791
33.7%
509,562
33.8%
556,151
34.6%
3 persons
1,548
16.0%
1,831
17.2%
185,786
17.0%
269,732
17.9%
270,555
16.8%
4 persons
1,456
15.1%
1,303
12.2%
195,578
17.8%
264,278
17.5%
278,507
17.3%
5 persons
583
6.0%
367
3.4%
81,922
7.5%
117,995
7.8%
112,652
7.0%
6 persons
326
3.4%
50
0.5%
23,556
2.1%
33,408
2.2%
32,307
2.0%
7 or more persons
155
1.6%
107
1.0%
10,199
0.9%
15,301
1.0%
14,646
0.9%
Total Owner Occupied
9,663
100.0%
10,646
100.0%
1,095,696
100.0%
1,508,248
100.0%
1,608,474
100.0%
Renter occupied
1 person
7,385
33.7%
7,206
33.9%
268,734
42.0%
386,506
41.3%
383,392
42.4%
2 persons
7,339
33.5%
7,049
33.1%
182,469
28.5%
264,702
28.3%
251,592
27.8%
3 persons
3,714
17.0%
4,082
19.2%
94,398
14.8%
130,606
14.0%
133,277
14.7%
4 persons
1,967
9.0%
2,064
9.7%
59,981
9.4%
88,766
9.5%
85,560
9.5%
5 persons
953
4.4%
566
2.7%
22,447
3.5%
41,064
4.4%
33,347
3.7%
6 persons
310
1.4%
242
1.1%
7,632
1.2%
14,994
1.6%
11,170
1.2%
7 or more persons
224
1.0%
63
0.3%
3,818
0.6%
8,694
0.9%
5,740
0.6%
Total Renter Occupied
21,892
100.0%
21,272
100.0%
639,479
100.0%
935,332
100.0%
904,078
100.0%
Total Occupied Units
31,555
31,918
1,735,175
2,443,580
2,512,552
1/ 2000 data is not available for the Boston MSA due to a change in its geographic definition between 2000 and 2010.
Source: U.S. Census, 2000; U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
2000
2010
Somerville
Massachusetts
2000
2010
Boston MSA 1/
2010
Somerville Linkage Study
60 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 10
Contract Rent, 2006-2010 Estimates
Appendix Table 11
Gross Rent Payments, 2006-2010 Estimates
Contract Rent
Renting
Households % of Total
Renting
Households % of Total
Renting
Households % of Total
Less than $250
1,108
5.2%
52,832
8.3%
81,575
9.0%
0.63
0.58
$250 to $499
1,190
5.6%
55,844
8.7%
100,780
11.1%
0.64
0.50
$500 to $749
1,749
8.2%
71,598
11.2%
158,861
17.6%
0.73
0.47
$750 to $999
2,985
14.0%
128,416
20.1%
186,004
20.6%
0.70
0.68
$1,000 to $1,249
4,943
23.2%
118,534
18.5%
138,264
15.3%
1.25
1.52
$1,250 to $1,499
3,999
18.8%
81,340
12.7%
87,940
9.7%
1.48
1.93
$1,500 to $1,999
3,535
16.6%
74,539
11.7%
80,128
8.9%
1.43
1.88
$2,000 or more
1,491
7.0%
35,575
5.6%
37,920
4.2%
1.26
1.67
No Cash Rent
272
1.3%
20,801
3.3%
32,606
3.6%
0.39
0.35
Total
21,272
100.0%
639,479
100.0%
904,078
100.0%
1.00
1.00
Median Contract Rent
$1,175
$1,001
$873
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Ratio of
Somerville to
Boston MSA
Ratio of
Somerville to
MA
Somerville
Boston MSA
Massachusetts
Gross Rent Payments
Renting
Households
% of Total
Renting
Households
% of Total
Renting
Households
% of Total
Less than $250
892
4.2%
39,060
6.1%
58,736
6.5%
0.69
0.65
$250 to $499
1,145
5.4%
55,281
8.6%
91,041
10.1%
0.62
0.53
$500 to $749
1,225
5.8%
52,760
8.3%
113,323
12.5%
0.70
0.46
$750 to $999
2,130
10.0%
99,731
15.6%
169,198
18.7%
0.64
0.54
$1,000 to $1,249
4,234
19.9%
117,529
18.4%
155,333
17.2%
1.08
1.16
$1,250 to $1,499
4,426
20.8%
97,712
15.3%
113,159
12.5%
1.36
1.66
$1,500 to $1,999
4,602
21.6%
105,335
16.5%
116,263
12.9%
1.31
1.68
$2,000 or more
2,346
11.0%
51,270
8.0%
54,419
6.0%
1.38
1.83
No Cash Rent
272
1.3%
20,801
3.3%
32,606
3.6%
0.39
0.35
Total
21,272
100.0%
639,479
100.0%
904,078
100.0%
1.00
1.00
Median Gross Rent
$1,299
$1,133
$1,006
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Ratio of
Somerville to
MA
Somerville
Boston MSA
Massachusetts
Ratio of
Somerville to
Boston MSA
Somerville Linkage Study
61 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 12
Gross Rent as a Percentage of Income in 2010 (Renter-Occupied Units Only)
Appendix Table 13
Available Rental Housing in Somerville from Boston Globe Online
Percent of Income
Renting
Households
% of Total
Renting
Households
% of Total
Renting
Households
% of Total
Less than 10 percent
666
3.1%
20,427
3.2%
30,123
3.3%
10 to 14 percent
1,843
8.7%
48,624
7.6%
70,485
7.8%
15 to 19 percent
2,667
12.5%
74,440
11.6%
103,333
11.4%
20 to 24 percent
3,405
16.0%
77,556
12.1%
107,442
11.9%
25 to 29 percent
2,693
12.7%
80,878
12.6%
112,098
12.4%
30 to 34 percent
2,070
9.7%
60,478
9.5%
86,472
9.6%
35 to 39 percent
1,062
5.0%
39,336
6.2%
55,533
6.1%
40 to 49 percent
1,854
8.7%
50,402
7.9%
70,931
7.8%
50 percent or more
4,546
21.4%
154,458
24.2%
219,252
24.3%
Not computed
466
2.2%
32,880
5.1%
48,409
5.4%
Total
21,272
100.0%
639,479
100.0%
904,078
100.0%
Source: U.S. Census Bureau, 2006-2010 American Community Survey; and ConsultEcon, Inc.
Somerville
Boston MSA
Massachusetts
Apartment Size
$0 to $999
$1,000 to
$1,249
$1,250 to
$1,499
$1,500 to
$1,749
$1,750 to
$1,999
$2,000 to
$2,249
Studio / One Bedroom
1
4
6
14
15
0
Two Bedroom
0
3
5
10
13
13
Three Bedroom
0
0
0
1
5
5
Four Bedroom
0
0
0
0
0
0
Total
1
7
11
25
33
18
Apartment Size
$2,250 to
$2,499
$2,500 to
$2,749
$2,750 to
$2,999
$3,000 to
$3,499
$3,500 to
$3,999
$4,000 and
Above
Studio / One Bedroom
23
6
0
1
0
0
Two Bedroom
0
10
8
21
11
1
Three Bedroom
5
5
4
2
19
2
Four Bedroom
0
5
4
6
7
2
Total
28
26
16
30
37
5
Apartment Size
Total Units
Percent to
Total Units
$0 to $1,499
$1,500 to
$1,999
$2,000 to
$2,499
$2,500 to
$2,999
$3,000 and
Above
Studio / One Bedroom
70
29.5%
15.7%
41.4%
32.9%
8.6%
1.4%
Two Bedroom
95
40.1%
8.4%
24.2%
13.7%
18.9%
34.7%
Three Bedroom
48
20.3%
0.0%
12.5%
20.8%
18.8%
47.9%
Four Bedroom
24
10.1%
0.0%
0.0%
0.0%
37.5%
62.5%
Total
237
100.0%
8.0%
24.5%
19.4%
17.7%
30.4%
Source: Boston Globe Online and ConsultEcon, Inc.
Percent of Total Units
Units by Rent Range
Units by Rent Range
Somerville Linkage Study
62 Karl F. Seidman Consulting and ConsultEcon
Appendix Table 14
Median Sales Price of Condominiums and Single Family Homes in Somerville
Year
Median
Sales Price
Percent
Change from
Prior Year
Median
Sales Price
Percent
Change from
Prior Year
2000
$245,000
$250,000
2001
$285,000
16.3%
$285,000
14.0%
2002
$311,000
9.1%
$334,750
17.5%
2003
$330,000
6.1%
$372,000
11.1%
2004
$325,000
-1.5%
$389,900
4.8%
2005
$360,000
10.8%
$428,500
9.9%
2006
$344,950
-4.2%
$422,500
-1.4%
2007
$352,500
2.2%
$450,000
6.5%
2008
$351,250
-0.4%
$391,000
-13.1%
2009
$360,000
2.5%
$366,250
-6.3%
2010
$350,000
-2.8%
$400,000
9.2%
2011
$358,000
2.3%
$445,000
11.3%
2012 1/
$382,250
6.8%
$450,000
1.1%
1/ January through October 2012.
Source: The Warren Group.
Condos
Single Family
Somerville Linkage Study
63 Karl F. Seidman Consulting and ConsultEcon
Appendix B: Summary Data from Employee Survey
A total of 1,691 surveys were distributed to large employers and businesses in large commercial
and industrial buildings over 30,000 square feet in Somerville. Responses were received from
477employees for a 28% response rate.
Summary Results for 477 Respondents:
•
31.4 percent live in Somerville.
•
44.2 percent own their residence and 52.6 percent rent (3.1% no response).
•
32.7 percent lived in Somerville prior to obtaining their current job.
•
57 people, or 11.9 percent, moved as a result of obtaining a job in Somerville, with 18 of
these people, or 3.8 percent, moving to Somerville due to securing their job in Somerville.
•
33 people, or 7.9 percent, sought housing in Somerville but did not move to Somerville. Of
these, 13 cited high cost or lack of affordable housing as a reason for why they did not move
to Somerville, and 4 cited relative costs as a factor. Other reasons cited for not moving to
Somerville included: Too Much Traffic; Not Child Friendly / Schools Not Good; Not Enough
Vacancy / Housing Not Suited to My Needs / Found Something Elsewhere Sooner; and,
Transportation Needs for Me / My Spouse Better Served Elsewhere.
•
40 people, or 8.4 percent, who are not currently living in Somerville indicated that they plan
to move to Somerville over the next 5 years, of which 20 plan to rent housing, 11 plan to
purchase housing, and 5 plan to either rent or purchase.
The data indicate that the share employees who will demand housing in Somerville vary by different
building types, including office, industrial and retail buildings. The share of office building
employees who will demand housing in Somerville is 17.5 percent, the share of industrial building
employees who will demand housing in Somerville is 24.2 percent, and the share of retail building
employees who will demand housing in Some1rville is 6.8 percent.