§ NH New Hampshire
County permits
Coos County
Coos County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Coos County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Coos County Planning Board
- Website
- County Documents Portal ↗
- Online portal
- County Documents Portal ↗
- Phone
- 603-237-1920 / 603-237-1905
- Address
- 34 County Farm Road, West Stewartstown, NH 03597 (hand delivery); PO Box 310, West Stewartstown, NH 03597 (mail)
§ 02 Jurisdictions
Cities in Coos County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Coos County, New Hampshire. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.