Michigan Building Codes
Current base code, county-level adoption data, special-zone overlays, and source links for restoration contractors.
Current State Code
Verified state-level adoption record from SkyCanvass jurisdiction data.
Michigan has mandatory statewide building codes - Michigan Residential Code (MRC 2021), Michigan Building Code (MBC 2021), and related codes administered by LARA Bureau of Construction Codes. Local jurisdictions CANNOT adopt amendments without state approval. Statewide ice barrier requirements (24"+ inside wall line). Climate Zones 5A (extreme south), 6A (most of LP), 7 (UP/Northern LP). Snow loads 25-100+ psf (lake-effect areas). Frost depth 42-60". Great Lakes shoreline: 3,288 miles. EGLE permits for critical dunes (Part 353), high-risk erosion (Part 323), wetlands (Part 303), shorelands (Part 325). Contractor licensing required through LARA. 83 counties.
County Guides
County pages include local code editions, amendment flags, and jurisdiction-specific links.
Alcona County
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Alger County
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Allegan County
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Alpena County
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Antrim County
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Arenac County
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Baraga County
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Barry County
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Bay County
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Benzie County
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Berrien County
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Branch County
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Calhoun County
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Cass County
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Charlevoix County
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Cheboygan County
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Chippewa County
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Clare County
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Clinton County
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Crawford County
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Delta County
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Dickinson County
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Eaton County
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Emmet County
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Genesee County
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Gladwin County
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Gogebic County
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Grand Traverse County
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Gratiot County
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Hillsdale County
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Houghton County
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Huron County
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Ingham County
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Ionia County
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Iosco County
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Iron County
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