County Building Permits
Harrison County, OH - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Harrison County, Ohio. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
County building inspection for Harrison County projects not handled by a village permit office.
- Department
- Department of Building Inspection, Harrison County Commissioners
- Address
- 100 West Market Street, Cadiz, OH 43907; County Engineer Office: 1 Service Garage Rd, Cadiz, OH 43907
- Phone
- 740-942-4623 (Commissioners); 740-942-3086 (County Engineer); 740-391-5966 (Inspector)
Application Process
- For floodplain work, submit the floodplain development permit application through the County Engineer.
- The county instruction sheet states permits are required for residential new construction and additions.
- Keep the permit on-site and maintain responsibility for scheduling and completing required inspections.
Source: Department of Building Inspection, Harrison County Commissioners
General Requirements
Permits are required for residential new construction and additions.
Required Documents
- Permit application
- For floodplain work: floodplain application plus supporting site and technical documents
- Permit validity
- Floodplain permit expires if work does not start within one year of issuance.
- Building code
- Ohio Building Code applies through Ohio law.
Fees
- Minimum permit fee
- $360.00 plus $4.00 per 100 square feet
- Permit fee formula
- $360.00 base fee plus $4.00 per 100 square feet for residential new construction and additions
- Reinspection fee
- $150.00
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Department of Building Inspection, Harrison County Commissioners to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Call Rick Hugh at 740-391-5966 (phone)
- Scheduling deadline
- Allow 24 to 48 hours for inspections.
- Time windows
- Allow 24 to 48 hours for inspections.
Typical inspection sequence: Footer, rough-in before wall coverings, and final inspections.
Additional Resources
- Building code: Ohio Building Code applies through Ohio law.
- Zoning information: View zoning info
- County Engineer Office
- County Floodplain Application 2024
- 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 Department of Building Inspection, Harrison County Commissioners before applying.
Frequently Asked Questions
Harrison County Building Permit FAQ
- Do I need a building permit in unincorporated Harrison County, OH?
- Permits are required for residential new construction and additions.
- How much does a building permit cost in unincorporated Harrison County, OH?
- The minimum permit fee is $360.00 plus $4.00 per 100 square feet. Fees are calculated as: $360.00 base fee plus $4.00 per 100 square feet for residential new construction and additions.
- How do I apply for a building permit in unincorporated Harrison County, OH?
- 1. For floodplain work, submit the floodplain development permit application through the County Engineer. 2. The county instruction sheet states permits are required for residential new construction and additions. 3. Keep the permit on-site and maintain responsibility for scheduling and completing required inspections.
- How do I schedule a building inspection in unincorporated Harrison County, OH?
- Inspections can be scheduled via: Call Rick Hugh at 740-391-5966. Allow 24 to 48 hours for inspections..
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