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Home / Montana Permits / Yellowstone County

Building Permits in Yellowstone County, Montana

County jurisdiction
Local details being verified — statewide baseline shown

Adopted Construction Codes

These are the state-level code editions for Montana. They apply in Yellowstone Countyunless a verified local adoption or amendment is noted — in local-adoption states, confirm the city or county's own code editions with the building department.

CodeEditionAdoption
IBCInternational Building Code2021ARM 24.301.131 · source ↗
IEBCInternational Existing Building Code2021ARM Title 24 ch. 301 · source ↗
IECCInternational Energy Conservation Code2021ARM Title 24 ch. 301 · source ↗
IFGCInternational Fuel Gas Code2021ARM Title 24 ch. 301 · source ↗
IMCInternational Mechanical Code2021ARM 24.301.351 · source ↗
IRCInternational Residential Code2021ARM 24.301.146 · source ↗
NECNational Electrical Code (NFPA 70)2020ARM 24.301.401 · source ↗
UPC2021ARM 24.301.301 · source ↗

Permit Requirements

Permit-type details for Yellowstone County (fees, required documents, inspection sequence) are being verified with the local building department. In the meantime, contact the county building department directly, or ask the BuildSpec Copilot about statewide requirements.

Building Department

Building department website ↗

Phone: 406-247-8610

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Related on BuildSpec

Montana adopted codes →Montana DOT specifications →Code calculators →