

MBTA Communities
Multi-Family Zoning Law
Section 3A of MA General Law, Chapter 40A
The MBTA Communities Law is a state law that requires MBTA serviced communities, like Gloucester, to zone areas for multi-family housing. You've probably heard a lot about the law and its requirements, you may be surprised to learn that not all of it may be correct.
Below are answers to the most Frequently Asked Questions we see regarding the MBTA Communities Zoning Law:
State Resources for MBTA Communities:
The State’s, Executive Office of Housing and Livable
Communities (EOHLC), webpage for Compliance Guidelines
on new Section 3A of MGL c. 40A:
Multi-family Zoning Requirement

Additional Resources:
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Introductory Video: Why MBTA multifamily zoning law makes sense for Massachusetts
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Mass Housing Partnership (MHP) - MBTA Zoning & Complete Neighborhoods
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Metropolitan Area Planning Council (MAPC) - MBTA Communities Multifamily Zoning Requirement (Section 3A)
For an deeper dive into the state's housing issues:
The Waning Influence of Housing Production on Public School Enrollment A study by the Massachusetts Metropolitan Area Planning Council showing that the conventional wisdom that new housing production increases school enrollment is no longer true.
MA Land Use Regulation Causes Segregation A 2013 thesis finding that restrictive zoning leads to fewer Black and Latino households in a town.
State of Zoning for Multi Family Housing Regulations that encourage or prevent multifamily housing in the 100 cities and towns around Boston.
Zoned Out: Why Massachusetts Needs to Legalize Apartments Near Transit An interactive report by Boston Indicators arguing that legalizing apartments near public transit increases social-economic diversity, reduces car dependence, and lowers prices.
Legalizing Housing Near Transit in MA A 2020 Brookings report explaining why our housing affordability crisis requires statewide reforms focused on creating homes around public transportation centers.
The Boston Foundation: Greater Boston Housing Report Card The 2022 Report Card on the state of housing challenges in Greater Boston, with suggestions for efforts we can take–from legislation and public policy to education and technical support.
Massachusetts Housing: A Three Prong Crisis, A Short paper by UMass’s Mass Benchworks about interrelated housing crises in Massachusetts.
10 Great Neighborhoods that are Illegal with Current Zoning. 10 towns in Massachusetts whose historic neighborhoods would be illegal under their current zoning rules.
The Data-Backed Case for Increasing Housing: Short paper by Housing Forward arguing that Massachusetts needs more housing at all income levels.