Building Permits in Deer Lodge County, Montana
We have not yet verified rules published by Deer Lodge County itself. Below are the Montana rules that apply, and where to ask.
Where to apply
Deer Lodge County issues building permits for unincorporated areas; cities inside the county usually run their own permit offices.
Montana statewide rules
State defaults apply everywhere in the state; cities and counties may add stricter local rules.
- Local changes allowed
- Limited source: bsd.dli.mt.gov
- Issued by
- Building Codes Bureau source: bsd.dli.mt.gov
- Building code
- 2024 IRC, effective September 26, 2026 source: bsd.dli.mt.gov
Shed
- Exempt from a permit
- Private garages and private storage buildings used for the owner's own use (not part of a commercial enterprise or business) are exempt from the need to obtain a state building permit, in areas outside cities certified to issue their own permits. source: bsd.dli.mt.gov
Garage
- Exempt from a permit
- Private garages and private storage buildings used for the owner's own use (not part of a commercial enterprise or business) are exempt from the need to obtain a state building permit, in areas outside cities certified to issue their own permits. source: bsd.dli.mt.gov
Home Addition
- Fee
- generally one to two percent (1% - 2%) of the building valuation source: bsd.dli.mt.gov
- Permit required
- Yes source: bsd.dli.mt.gov