Residential Building Permit (New Construction) in Evanston, Wyoming

Evanston requires a residential building permit (new construction) for: Residential home construction is defined as stick-built, manufactured, or trailer home construction; alternative methods (kit/panel, SIP, etc.) may be considered if they meet Evanston City Code § 7-52.1 and applicable IRC/design load requirements; Detailed, comprehensive plans referencing International Codes, Evanston design load values, and local zoning requirements; engineered plans are strongly encouraged; Plot plan / site plan showing the proposed building and all existing structures on the property; Applications submitted online via the City's iworq permit portal (portal.iworq.net/EVANSTON); All required Wyoming State applications/fees (where applicable) must be paid and approved permit copies provided to the City before construction begins; Construction must begin within 180 days of permit issuance and show continuing progress until final inspection approval; Wyoming 811 must be contacted prior to beginning construction. If your project isn't listed, confirm with City of Evanston Engineering & Planning Department — Building Department at (307) 783-6470 before starting work.

In Evanston, the published Building Permit Fee is: $0.010 × project cost (minimum charge $30.00). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

The Building Department issues a first response within 10 business days of application. The City has up to 10 working days to approve site plans and building permits per the Building Permit Legal Requirements sheet.

You'll need: Building Permit Packet / Building Permit Legal Requirements; Plot Plan / Site Plan; Construction Drawings and Specifications. Depending on your project, Evanston may also ask for: Structural Computations. See the required-documents checklist on this page for details on each.

Evanston requires 12 inspection(s) for a residential building permit (new construction), in order: Sewer/Water Service Lines, Footings, Foundation Reinforcing Steel (Rebar), Foundation Wall, Underground Plumbing, Rough Plumbing, Rough Mechanical, Electrical (State), Rough Framing, Sheetrock, Final Construction, Certificate of Occupancy. Schedule each through City of Evanston Engineering & Planning Department — Building Department ((307) 783-6470).

Apply through City of Evanston Engineering & Planning Department — Building Department at 33 Allegiance Circle, Evanston, WY 82930. Phone: (307) 783-6470, email: jhergert@evanstonwy.org. Office hours: Monday through Thursday 7:30 am–5 pm; Friday 7:30 am–1:30 pm (City Hall hours; contact Building Department directly for its own hours). Official information: https://engineering-planning-evanstonwy.hub.arcgis.com/pages/5d3f1221a8a94c8d9d12e0c6e6d8bea9.

Evanston, Wyoming has adopted: 2024 International Building Code (IBC) — current edition per City of Evanston Building Permit Legal Requirements; 2024 International Residential Code (IRC) — residential construction incorporates current IRC requirements per Evanston City Code § 7-52.1; 2021 Uniform Plumbing Code (UPC) provision cited for irrigation backflow prevention (UPC 608.17.5); confirm current adopted plumbing code edition with the Building Department; Evanston local design load values (wind, seismic, snow, frost depth) apply IN ADDITION TO the International codes — see localAmendments; IMPORTANT: Electrical work in Evanston is NOT governed by a City-adopted electrical code — electrical permitting and inspection is performed by the Wyoming State Fire Marshal's Office (Chief Electrical Inspector) under the state's default statewide electrical program (W.S. § 35-9-119), per the WSFM 'LOCAL AND STATE JURISDICTIONS' chart (Evanston = ELEC INSP/PR: S/S) and confirmed directly by the City's own Building Inspection Information sheet ('Electrical: Contact State of Wyoming Electrical Inspector'); IMPORTANT: Building PLAN REVIEW in Evanston has a state-law overlay — per W.S. § 35-9-108, the Wyoming State Fire Marshal must review and approve plans (in addition to city review) for: buildings/structures owned or leased by state/local government; buildings for general public access exceeding 5,000 sq ft total floor area; buildings over one story (incl. apartments/condos); childcare centers for more than 10 children; public bars/lounges/restaurants/night clubs/lodge halls/theatres/churches/public meeting places regardless of size; aboveground fuel dispensing facilities; alternate energy generation feeding the utility (incl. solar); Type I commercial kitchen exhaust hoods; spray finish applications; and buildings changing occupancy type — this matches the WSFM jurisdictions chart classification of Evanston building plan review as having a State component (STATE BLDG INSP/PR designation) alongside the City's own local building permit issuance and inspection program. Local amendments apply — see the Evanston overview page for the full list.

The State of Wyoming Electrical Inspector, not the City of Evanston. The City's own Building Inspection Information sheet directs permit holders to 'Contact State of Wyoming Electrical Inspector' for electrical inspections; the City inspects all other trades (plumbing, mechanical, framing, etc.) itself.