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Wyoming building permits
Adopted codes, fees, and permit requirements for every covered Wyoming city — browse by county, sourced from official records.
CountyCities
Do I need a permit? — Wyoming guides
- Window ReplacementUsually no — but yes if you change the size of the opening.
- FenceSometimes — many fences need only zoning/setback approval; a building permit kicks in mainly for fences over 7 feet or with structural elements.
- DeckYes — unless it's a small ground-level platform under 200 sq ft.
- Water HeaterYes — even for a like-for-like replacement.
- Basement FinishYes — any framing, electrical, plumbing, or mechanical work requires a permit.
- Solar PanelsYes — both a building and electrical permit are required.
- Roof ReplacementYes — all roof replacements and re-roofing projects require a permit.
- Hot TubYes — at minimum an electrical permit for the 240V circuit.
- ShedUnder 200 sq ft and under 10 feet tall? Usually no. Bigger? Yes.
- Furnace ReplacementYes — even a like-for-like furnace swap requires a mechanical permit.
- EV ChargerLevel 2 (240V) chargers yes. Level 1 (120V plug-in) no.
- Patio Cover / PergolaSolid roof covers yes. Open-lattice pergolas may be exempt.
- Home BusinessYes — most cities require a home occupation permit.
- ADU / In-Law SuiteOften yes — many states now require cities to allow at least internal ADUs.
- Concrete / DrivewayOnly if it connects to the street, modifies drainage, or is a structural element.
- Building Permits in WyomingIt depends on your jurisdiction — Wyoming has no statewide building code, and many unincorporated areas require no building permit at all.
Permit types across Wyoming
View all →Compare a permit type’s fees across every Wyoming city we cover.
Accessory Building Placement PermitAccessory Dwelling Unit (ADU / Casita) PermitBasement Finish PermitBuilding Permit (New Construction, Addition, Alteration, Demolition)Building Permit (Sheridan County Building Standards Area ONLY)Certificate of Occupancy / Change of UseChange of Use / Certificate of OccupancyCommercial Building PermitCommercial Tenant Improvement / Tenant Finish PermitDeck / Covered Patio PermitDemolition PermitDriveway / Road Access PermitElectrical PermitEV Charger / EVSE PermitFence / Retaining Wall PermitFire Alarm System PermitFire Sprinkler / Fire Alarm PermitFire Sprinkler System PermitFloodplain Development PermitGrading / Excavation PermitLand Use Certificate (Zoning / Use Approval)Manufactured Home Placement Permit (HUD Standard)Mechanical / HVAC PermitPlumbing PermitResidential Addition / Remodel PermitResidential Building Permit (New Construction)Roofing Permit (Reroof)Septic / Small Wastewater System PermitSign PermitSolar Photovoltaic (PV) PermitTrade / Small Project Alteration Permit (Electrical, Plumbing, Mechanical, Re-roof, Siding)Zoning Certificate & Rural Address (county's "Building Permit" stand-in)Zoning PermitZoning/Construction Permit (Land Use) — not a building-code permit