County Building Permits
Mackinac County, MI - 2026 Building Permit Guide
Building permit information for unincorporated Mackinac County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.
Important: Mackinac County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.
Unincorporated Mackinac County
- Permit authority
- No county building department publicly published for the unincorporated area
- Website
- Permit authority website
- Phone
- (906) 643-7300 main county line
- Address
- 100 Marley Street, St. Ignace, MI 49781 (county government center)
Jurisdictions in Mackinac County
Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city or county department before applying.
Related Michigan Resources
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