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Home / Michigan Permits / Ann Arbor

Building Permits in Ann Arbor, Michigan

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

Adopted Construction Codes

These are the state-level code editions for Michigan. They apply in Ann Arborunless 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 Code20212021 Michigan Building Code, R 408.30401 (eff. April 2025) · source ↗
IMC — International Mechanical Code20212021 Michigan Mechanical Code, R 408.30901a · source ↗
IPC — International Plumbing Code20212021 Michigan Plumbing Code, R 408.30701 · source ↗
IRC — International Residential Code20152015 Michigan Residential Code, R 408.30501 (2021 update stayed) · source ↗
NEC — National Electrical Code (NFPA 70)2023Mich. Admin. Code R 408.30801, eff. 3/12/2024 · source ↗

Permit Requirements

Permit-type details for Ann Arbor (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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