Matters ▸ Attachment
05.14.26 CC Amend Zoning Affordable Housing Overlay — File 26-0204
Somerville Zoning Ordinance
1
8.1.2 Purpose
a.
To permit the development of buildings that provide all dwelling units as affordable dwelling units.
b.
To permit additional residential use intensity, additional building height, and additional tolerance for
dimensional standards to incentivize the development of affordable dwelling units.
Somerville Zoning Ordinance
2
8.1.6 Mid-Rise Districts
a.
Building Types
i.
The following building types are permitted by right:
a). Apartment Building
b). General Building
ii.
The standards of Table 8.1.6 supersede or supplement the dimensional standards all of the standards of
a. Lot Standards, b. Building Placement, c. Massing & Height, and d. Uses & Features for the specified
building types permitted by the underlying zoning district.
b.
Dimensional Compliance
i.
Development of any Apartment Building or General Building may deviate by up to five percent (5%) from
the numeric value of the following dimensional standards of the underlying zoning districtTable 8.1.6:
a). Lot coverage (max)
b). Green score (min)
c). Open space (min)
d). Front building setbacks (min & max)
e). Side building setbacks for lots abutting any non-NR or LHD lot (min)
f).
Facade build outs (min)
g). Floor plate (max)
c.
Use Provisions
i.
Uses from the following principal use categories are permitted by right:
a). Residential Housing
ii.
Development is exempt from any minimum gross floor area per dwelling unit specified elsewhere in this
Ordinance.
ii.iii. Development is exempt from providing any required leasable floor area for uses from the Arts &
Creative Enterprise use categories specified elsewhere in this Ordinance.
iii.iv. The use of any upper story of a general building is limited to the following principal use categories and
specific uses:
a). Community Center
b). Library
c). Public Service
d). Religious & Educational Uses Protected by M.G.L. 40A. Sec. 3
e). Day Care Services
f).
Health Care Services
g). Residential Housing
h). Institutional Housing
iv.v. At least forty percent (40%) of the gross floor area of any general building must be occupied by uses
from the Residential principal use categories.
v.vi. All dwelling units must be affordable dwelling units.
d.
Parking & Mobility
i.
Development may deviate by up to five percent (5%) from the minimum number of bicycle parking
spaces required per dwelling unit.
Somerville Zoning Ordinance
3
Table 8.1.6 Superseding Dimensional Standards
Apartment Building
General Building
Lot Development
Lot Coverage (max)
100%
100%
Green Score
--
--
Minimum
0.20
0.20
Ideal
0.25
0.25
Open Space (min)
10%
10%
Building Setbacks
Curb Setback (min)
12 ft
12 ft
Primary Front Setback (min/max)
0 ft 15 ft
0 ft 15 ft
Secondary Front Setback (min/max)
0 ft 15 ft
0 ft 15 ft
Side Setback (min)
--
--
Abutting an Alley or R-ROW
0 ft
0 ft
Abutting any non-NR or LHD
0 ft
0 ft
1st - 3rd Story abutting NR or LHD
10 ft
10 ft
4th - 7th 8th Story abutting NR or LHD
--
--
Lot Width < 100 ft
20 ft
20 ft
Lot Depth Width>≥ 100 ft
30 ft
30 ft
Rear Setback (min)
--
--
Abutting an Alley or R-ROW
0 ft
0 ft
Abutting any non-NR or LHD
10 ft
10 ft
1st - 3rd Story abutting NR or LHD
20 ft
20 ft
4th - 7th 8th Story abutting NR or LHD
--
--
Lot Depth < 100 ft
20 ft
20 ft
Lot Depth >≥ 100 ft
30 ft
30 ft
Main Massing
Number of Stories (max)
--
--
Mid-Rise 3 abutting NR
4
4
All other MR3-MR6 lots
78
78
Step-Back, Top Story (min)
4 or less stories
none
none
5 or more stories
10 ft
10 ft
Building Height, Feet (max)
--
--
Mid-Rise 3 abutting NR
50 ft
52 ft
All other MR3-MR6 lots
86 96 ft
88 100 ft
Façade Composition
Fenestration (min/max)
15% / 50%
15% / 50%
Use & Occupancy
Ground Story Commercial Unit (min)
n/a
1
Somerville Zoning Ordinance
4