County Building Permits

Delaware County, OH - 2026 Building Permit Guide

Building permit information for unincorporated Delaware County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.

Ohio Updated March 2026

Important: Delaware 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 Delaware County

Permit authority
Delaware County Building Safety (building permits); Township or Delaware County zoning authority (varies by location)
Phone
Building Safety: 740-833-2200; DCRPC Zoning Contact: 740-833-2260
Address
Delaware County Building Safety: 1610 State Route 521, PO Box 8006, Delaware, OH 43015; Delaware County Regional Planning Commission / County Zoning: 1610 State Route 521, PO Box 8006, Delaware, OH 43015

Jurisdictions in Delaware County

Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.

Unincorporated Delaware County Permit guide → Delaware Permit guide → Dublin Permit guide → Lewis Center Permit guide → Powell Permit guide → Sunbury Permit guide → Westerville Permit guide →

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 Ohio Resources

License Requirements Verify your contractor's Ohio license → Contract Template Free homeowner-contractor agreement →

Need help with your project?

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authorities listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.