Massachusetts Zoning & Land Use Guide
Last updated: Verified:
Comprehensive guide to Massachusetts zoning laws, building codes, and land use regulations.
Key Facts
- Building Code: MA State Building Code 10th Edition (based on 2021 IBC)
- State ADU Law: Varies by city
- ADU Details: Massachusetts does not have a comprehensive statewide ADU mandate, though the MBTA Communities Act and other recent reforms encourage multifamily and accessory housing development near transit stations.
Cities in Massachusetts
Boston
Pop. 675,647
ADU: Allowed
Brockton
Pop. 105,643
ADU: Allowed
Brookline
Pop. 63,191
ADU: Allowed
Cambridge
Pop. 118,403
ADU: Allowed
Fall River
Pop. 94,000
ADU: Allowed
Framingham
Pop. 72,032
ADU: Allowed
Haverhill
Pop. 67,843
ADU: Allowed
Lawrence
Pop. 89,143
ADU: Allowed
Lowell
Pop. 115,554
ADU: Allowed
Lynn
Pop. 101,253
ADU: Allowed
Malden
Pop. 66,263
ADU: Allowed
Medford
Pop. 63,898
ADU: Allowed
New Bedford
Pop. 101,079
ADU: Allowed
Newton
Pop. 88,923
ADU: Allowed
Quincy
Pop. 101,636
ADU: Allowed
Somerville
Pop. 81,360
ADU: Allowed
Springfield
Pop. 155,929
ADU: Allowed
Taunton
Pop. 60,632
ADU: Allowed
Waltham
Pop. 62,227
ADU: Allowed
Worcester
Pop. 206,518
ADU: Allowed
Disclaimer: The information on this website is provided for general informational purposes only and does not constitute legal, financial, or professional advice. Always verify current requirements with your local planning department.