Maine Zoning & Land Use Guide
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Comprehensive guide to Maine zoning laws, building codes, and land use regulations.
Key Facts
- Building Code: Maine Uniform Building and Energy Code (MUBEC, based on 2021 IBC)
- State ADU Law: Yes — ADU-friendly
- ADU Details: Maine enacted LD 2003 in 2022, which requires municipalities to permit accessory dwelling units on any lot where single-family housing is allowed. The law prohibits municipal ordinances that restrict ADUs through owner-occupancy requirements, density limits that would exclude ADUs, or design standards that make construction infeasible.
Cities in Maine
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.