§ DE Delaware
County permits
New Castle County
New Castle County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated New Castle County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- New Castle County Department of Land Use, Licensing Division
- Website
- eServices / ePlans ↗
- Online portal
- eServices / ePlans ↗
- Phone
- (302) 395-5400
- inspections@nccde.org
- Address
- 87 Reads Way, New Castle, DE 19720
§ 02 Jurisdictions
Cities in New Castle County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for New Castle County, Delaware. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.