Permit types in Montana
Every permit type we cover across Montana. Pick one to compare fees and requirements by city — each figure links to the city’s official source. Cities file some of these under different local names — we group equivalents here, and every city page shows that city’s own official permit name.
Accessory Dwelling Unit (ADU / Casita) PermitAccessory Dwelling Unit (ADU) Permit (6 cities), Accessory Dwelling Unit (ADU) / Detached Accessory Structure Permit (2 cities)
8 cities
Accessory Structure Permit (Shed / Detached Garage)
2 cities
Building / Structure Move PermitMoving Building Permit (1 city), Structure Move Permit (1 city)
2 cities
Building Permit (New Construction / Addition / Alteration / Repair / Remodel / Sign / Mobile Home / Fence)
1 city
Certificate of Occupancy
5 cities
Certificate of Occupancy / Change of Use Permit
1 city
Change of Occupancy
3 cities
Change of Use / Occupancy Permit
34 cities
Commercial Building PermitCommercial Building Permit (State-Issued) (6 cities), Commercial Building Permit (New Structures, Additions, Structural Modifications) (3 cities), Commercial Building Permit (County-Certified, Local) (1 city), Commercial Building Permit (County-Certified, Unincorporated Toole County) (1 city), Commercial Permit (1 city)
12 cities
Commercial Building Permit & Fire Plan Review
1 city
Deck / Covered Patio PermitDeck / Accessory Structure Permit (Garage, Pole Barn, Patio Cover) (5 cities), Construction Permit — Deck / Accessory Structure (Garage, Shed) (3 cities), Deck Permit (1 city)
9 cities
Demolition / Building Move Permit
2 cities
Demolition Permit
21 cities
Electrical PermitElectrical Permit (26 cities), Electrical Permit (State-Issued) (17 cities)
43 cities
EV Charger / EVSE Permit
43 cities
Fence / Retaining Wall PermitFencing Permit (7 cities), Fence and Retaining Wall Permit (4 cities), Fence Permit / Right-of-Way Encroachment Permit (1 city)
12 cities
Fire Alarm System Permit (State-Issued, via Electrical Permit — No Dedicated Fee Line)
2 cities
Fire Sprinkler / Fire Protection System Permit (State-Issued, via Plumbing Permit)
2 cities
Fire Suppression (Sprinkler) / Fire Alarm Permit
41 cities
Informational Building Permit (Minor Residential Work)
1 city
Lakeshore Construction Permit
1 city
Land Use Permit (Fence, Deck, Patio, Shed, Accessory Structure)
1 city
Mechanical / HVAC PermitMechanical / HVAC Permit (26 cities), Mechanical / HVAC Permit (State-Issued) (17 cities)
43 cities
Miscellaneous Building Permit (Fence, Driveway, Sidewalk, Curb Cut)
1 city
Non-Structural Remodel (Permit-Exempt) / Structural Alteration Permit
1 city
Plumbing PermitPlumbing Permit (26 cities), Plumbing Permit (State-Issued, incl. Water Heater) (17 cities)
43 cities
Residential Addition / Remodel PermitResidential Addition / Remodel Permit (11 cities), Residential Addition / Remodel / Alteration Permit (1 city)
12 cities
Residential Building Permit (New Construction)Residential Building Permit (New Construction) (40 cities), Residential Building Permit (State-Issued) (2 cities)
42 cities
Residential/Commercial Solar Photovoltaic (PV) Permit (State-Issued)
1 city
Roofing Permit (Reroof)Re-Roofing Permit (16 cities), Re-Roofing Permit (2 cities), Re-Roof / Re-Side Permit (1 city)
19 cities
Sign Permit
43 cities
Solar Photovoltaic (PV) PermitSolar PV / Alternative Energy Permit (41 cities), Solar Panel Permit (1 city)
42 cities
Swimming Pool / Spa PermitSwimming Pool Permit (4 cities), Swimming Pool / Spa Permit (1 city)
5 cities
Water Heater Permit
1 city
Zoning Permit
1 city
Zoning Permit (Fence, New Construction Siting, Variance)
2 cities
Zoning Permit (Fence, Sign, Accessory Structure)
1 city