County Building Permits
Hillsdale County, MI - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Hillsdale County, Michigan. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
County inspection office for Hillsdale County. Public county and city materials indicate this office handles building, electrical, plumbing, and mechanical permits for county projects and for some municipal projects.
- Department
- Hillsdale County Building Inspection
- Address
- Hillsdale County Office Building, 33 McCollum St., Room 102, Hillsdale, MI 49242
- Phone
- (517) 437-4130
Application Process
- Prepare construction documents, site information, and any related zoning or health approvals that apply to the project.
- Submit the permit application to the county inspection office.
- County staff review the application for code and permit completeness.
- After permit issuance, schedule required inspections with the county inspector.
- Complete final inspections before using or occupying the structure, where applicable.
General Requirements
- Building code
- Michigan state code is the baseline. The State of Michigan code books page shows the current 2021 Michigan Building Code, 2015 Michigan Residential Code, 2021 Michigan Mechanical Code, 2021 Michigan Plumbing Code, and 2023 National Electrical Code as the current state codes.
Work That Does NOT Require a Permit
Contact the Hillsdale County Building Inspection to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Typical inspection sequence: Permit first, inspections during construction, then final approval before occupancy where applicable.
Additional Resources
- Building code: Michigan state code is the baseline. The State of Michigan code books page shows the current 2021 Michigan Building Code, 2015 Michigan Residential Code, 2021 Michigan Mechanical Code, 2021 Michigan Plumbing Code, and 2023 National Electrical Code as the current state codes.
- County inspection page
- County office building contact page
- State code books
- License lookup guide: Michigan Contractor License Requirements
- Contract template: Michigan Homeowner-Contractor Agreement
- Michigan hub: Michigan Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Hillsdale County Building Inspection before applying.
Frequently Asked Questions
Hillsdale County Building Permit FAQ
- How do I apply for a building permit in unincorporated Hillsdale County, MI?
- 1. Prepare construction documents, site information, and any related zoning or health approvals that apply to the project. 2. Submit the permit application to the county inspection office. 3. County staff review the application for code and permit completeness. 4. After permit issuance, schedule required inspections with the county inspector. 5. Complete final inspections before using or occupying the structure, where applicable.
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