County Building Permits

Sweet Grass County, MT - 2026 Building Permit Guide

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

Montana Updated March 2026

Important: Sweet Grass 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 Sweet Grass County

Permit authority
Sweet Grass County Planning Department (City-County Planning Office)
Phone
(406) 932-5470
Address
Sweet Grass County Annex, 291 Centennial Drive, PO Box 888, Big Timber, MT 59011

Jurisdictions in Sweet Grass County

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

Unincorporated Sweet Grass County Permit guide → Big Timber 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 Montana Resources

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

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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.