Massachusetts Zoning & Land Use Laws
Zoning regulations, ADU laws, short-term rental rules, and land use policies for Massachusetts. Source-cited from state legislation and municipal codes.
Total Cities
351
Total Counties
14
ADU State Law
Yes
Lot Split Law
No state law
Cottage Food Law
Yes
Cities With Data
1
Massachusetts ADU Law
Massachusetts has a statewide ADU law (Massachusetts Affordable Homes Act (Chapter 150, Acts of 2024) and MBTA Communities Act (Chapter 40A, Section 3A, 2021)). See the official source for key provisions and current requirements.
View full MassachusettsADU law details →Cottage Food Law
Massachusetts has a cottage food law. See your state's official agriculture or health department website for current regulations and permit requirements.
State Preemption Active
Massachusetts state law preempts local zoning ordinances in several areas. Local governments cannot enact rules stricter than the state baseline.
Learn about Massachusettszoning preemption →Recent Legislative Changes
Massachusetts Cities with Zoning Data
Source: Massachusetts Affordable Homes Act (Chapter 150, Acts of 2024) and MBTA Communities Act (Chapter 40A, Section 3A, 2021). Last verified April 5, 2026. View source