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Home / Massachusetts Permits / Boston

Building Permits in Boston, Massachusetts

City in Suffolk County
Local details being verified — statewide baseline shown

Adopted Construction Codes

These are the state-level code editions for Massachusetts. They apply in Bostonunless a verified local adoption or amendment is noted — in local-adoption states, confirm the city or county's own code editions with the building department.

CodeEditionAdoption
IBC — International Building Code2021780 CMR 10th edition with MA amendments · source ↗
IEBC — International Existing Building Code2021780 CMR 10th edition · source ↗
IECC — International Energy Conservation Code2021780 CMR / 225 CMR 22-23 (stretch codes) · source ↗
IMC — International Mechanical Code2021780 CMR 10th edition · source ↗
IRC — International Residential Code2021780 CMR 51.00 · source ↗
NEC — National Electrical Code (NFPA 70)2023527 CMR 12.00 · source ↗

Permit Requirements

Permit-type details for Boston (fees, required documents, inspection sequence) are being verified with the local building department. In the meantime, contact the city building department directly, or ask the BuildSpec Copilot about statewide requirements.

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