§ ID Idaho
County permits
Washington County
Washington County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Washington County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Washington County Planning & Zoning Department
- Online portal
- Washington County Permits & Applications ↗
- Phone
- 208-414-3631
- Address
- 256 E Court Street, Weiser, ID 83672
§ 02 Jurisdictions
Cities in Washington County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Washington County, Idaho. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.