Parking Requirements

The city of Boston parking requirements are based on the Floor Area Ratio (FAR) provided in the table below. First determine your FAR by district from the table below and compare the value with the use tables to determine the required parking ratio.


Boston Floor Area Ratio by District

DISTRICTTYPE OF USEFLOOR AREA RATIO MAX
S-.31 family detached0.3
S-.3Other use0.3
S-.51 family detached0.5
S-.5Other use0.5
R-.51 & 2 family detached0.5
R-.5Any other dwelling0.5
R-.5Other use0.5
R-.81 & 2 family row0.8
R-.8Any other dwelling0.8
R-.8Other use0.8
H-1-401 & 2 family row1
H-1-40Any other dwelling1
H-1-40Other use1
H-1-501 & 2 family row1
H-1-50Any other dwelling1
H-1-50Other use1
H-11 & 2 family row1
H-1Any other dwelling1
H-1Other use1
H-2Any dwelling2
H-2Other use2
H-3-65Any dwelling3
H-3-65Other use3
H-3Any dwelling3
H-3Other use3
H-4Any dwelling4
H-5Any dwelling5
H-5Other use5
L-.5Any dwelling0.5
L-.5Other use0.5
L-1Any dwelling1
L-1Other use1
L-2Any dwelling2
L-2Other use2
B-1Any dwelling1
B-1Other use1
B-2Any dwelling2
B-2Other use2
B-3-65Any dwelling3
B-3-65Other use3
B-4Any dwelling4
B-4Other use4
B-6-90aAny dwelling6
B-6-90aOther use6
B-6-90bAny dwelling6
B-6-90bOther use6
B-8-120aAny dwelling8
B-8-120aOther use8
B-8-120bAny dwelling8
B-8-120bOther use8
B-8-120cAny dwelling8
B-8-120cOther use8
B-8Any dwelling8
B-8Any dwelling8
B-10Any dwelling10
B-10Other use10
M-1Any dwelling1
M-1Other use1
M-2Any dwelling2
M-2Other use2
M-4Any dwelling4
M-4Other use4
M-8Any dwelling8
M-8Other use8
I-2Any dwelling2
I-2Other use2
MER-2Any dwelling2
MER-2Other use2
W-2Any dwelling2
W-2Other use2

Excerpt from: Article 13 TABLE B - DIMENSIONAL REGULATIONS

Boston Residential Parking Requirements Based on Max FAR

Maximum Floor Area Ratio Specified in Table B of Section 13-1 For Each Dwelling Unit There Shall Be Provided at Least
0.3 or 0.51.0 space
0.8 or 1.00.9 space
2.00.7 space
3.00.6 space
4.00.5 space
5.00.4 space

Article 23 Section 23-1. - Residential Uses

Boston Public Assembly Uses Based on Max FAR

Maximum Floor Area Ratio Specified in Table B of Section 13-1 If There Are Seats, provide 1 space for Each:If There Are No Seats, 1 space for Each square feet of public floor area in structures:
0.3 or 0.55 seats100
0.8 or 1.06 seats120
2.08 seats160
3.015 seats300
4.020 seats400
5.020 seats400

Article 23 Section 23-2. - Public Assembly Uses

Boston Institutional Uses Based on Max FAR

Maximum Floor Area Ratio Specified in Table B of Section 13-1 One Space Shall be Provided for Each below amount of square feet of gross floor area
0.3 or 0.5600
0.8 or 1.0700
2.01000
3.01800
4.02400
5.02400

Article 23 Section 23-3. - Institutional Uses

Boston Retail and Office Uses Based on Max FAR

Maximum Floor Area Ratio Specified in Table B of Section 13-1 One Space Shall be Provided for Each below amount of square feet of gross floor area on ground level Additionaly One Space Shall be Provided for Each below amount of square feet of gross floor area not on ground level
0.3 or 0.5300600
0.8 or 1.0350700
2.05001000
3.09001800
4.012002400
5.012002400

Article 23 Section 23-4. - Retail and Office Uses

Boston Factory and Warehouse Uses Based on Max FAR

Maximum Floor Area Ratio Specified in Table B of Section 13-1 One Space Shall be Provided for Each below amount of square feet of gross floor area
0.3 or 0.51000
0.8 or 1.01200
2.01600
3.02000
4.03000
5.03000

Article 23 Section 23-5. - Factory and Warehouse Uses

The parking requirements shown here are the typical required parking standards for the city of Boston .  Variance or exclusions to the parking count requirements could be allowed by the code for a specific project.  The city of Boston  parking requirements are for general information.  The Boston  standard parking requirements for an area can be modified by zoning overlays or other Boston  parking code requirements specific to each project.