County Building Permits

Blaine County, ID - 2026 Building Permit Guide

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

Idaho Updated March 2026

Important: Blaine 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 Blaine County

Permit authority
Blaine County Building Services, Land Use and Building Services Department
Online portal
OpenGov Permit Portal
Phone
208-788-5573
Address
County Annex Building, 2nd Floor, 219 South First Avenue, Suite 208, Hailey, ID 83333

Jurisdictions in Blaine County

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

Unincorporated Blaine County Permit guide → Bellevue Permit guide → Carey Permit guide → Hailey Permit guide → Ketchum Permit guide → Sun Valley 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 Idaho Resources

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

Need help with your project?

Navigating permits in Blaine County can be complicated.

Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.

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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.