Maine Zoning & Land Use Laws
Zoning regulations, ADU laws, short-term rental rules, and land use policies for Maine. Source-cited from state legislation and municipal codes.
Total Cities
487
Total Counties
16
ADU State Law
Yes
Lot Split Law
No state law
Cottage Food Law
Yes
Cities With Data
0
Maine ADU Law
Maine has a statewide ADU law (Maine LD 2003 — An Act To Implement Certain Recommendations of the Commission To Increase Housing Opportunities in Maine by Studying Zoning and Land Use Restrictions). See the official source for key provisions and current requirements.
View full MaineADU law details →Cottage Food Law
Maine has a cottage food law. See your state's official agriculture or health department website for current regulations and permit requirements.
State Preemption Active
Maine state law preempts local zoning ordinances in several areas. Local governments cannot enact rules stricter than the state baseline.
Learn about Mainezoning preemption →Recent Legislative Changes
2022 — LD 2003 · Verified June 20, 2026 · Source
Source: Maine LD 2003 — An Act To Implement Certain Recommendations of the Commission To Increase Housing Opportunities in Maine by Studying Zoning and Land Use Restrictions. Last verified April 5, 2026. View source