County Building Permits
Hardin County, OH - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Hardin County, Ohio. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated Hardin County areas.
- Department
- Address
- One Courthouse Square, Kenton, OH 43326-1575
- Website
- https://hardincountyohio.gov/
Application Process
- Confirm zoning or township requirements.
- Prepare plans if required.
- Submit local application.
- Wait for review and obtain permit.
- Schedule inspections.
General Requirements
- Building code
- Ohio Building Code governs applicable work statewide.
- Contractor requirements
- Ohio trade licensing still applies for licensed trades.
Work That Does NOT Require a Permit
Contact the to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Additional Resources
- Building code: Ohio Building Code governs applicable work statewide.
- Zoning information: View zoning info
- Hardin County homepage
- Regional planning
- Township law / sample township permit information
- County GIS zoning map
- License lookup guide: Ohio Contractor License Requirements
- Contract template: Ohio Homeowner-Contractor Agreement
- Ohio hub: Ohio Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the before applying.
Frequently Asked Questions
Hardin County Building Permit FAQ
- How do I apply for a building permit in unincorporated Hardin County, OH?
- 1. Confirm zoning or township requirements. 2. Prepare plans if required. 3. Submit local application. 4. Wait for review and obtain permit. 5. Schedule inspections.
Need help with your project?
Navigating permits in Unincorporated Hardin County can be complicated.
Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.
Learn how Jaspector works