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Home / Maine Permits / Portland

Building Permits in Portland, Maine

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

Adopted Construction Codes

These are the state-level code editions for Maine. They apply in Portlandunless 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 Code202110 M.R.S. 9721; TBCSB rules, eff. 4/7/2025 · source ↗
IEBC — International Existing Building Code2021TBCSB rules · source ↗
IECC — International Energy Conservation Code2021TBCSB rules with ASHRAE 90.1-2019 · source ↗
IMC — International Mechanical Code2021TBCSB rules · source ↗
IRC — International Residential Code202110 M.R.S. 9721; TBCSB rules · source ↗

Permit Requirements

Permit-type details for Portland (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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