§ SD South Dakota
County permits
Sully County
Sully County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Sully County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Sully County Equalization & Planning/Zoning Department
- Online portal
- Sully County Planning and Zoning Department ↗
- Phone
- (605) 258-2522
- Address
- PO Box 265, Onida, SD 57564
§ 02 Jurisdictions
Cities in Sully County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Sully County, South Dakota. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.