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Residential Addition / Remodel Permit in Evanston, Wyoming

Required for room additions, structural remodels, garages/accessory buildings 120 sq ft or larger, decks, awnings, fences, and retaining walls in Evanston. Reviewed against Evanston design load values and current IRC requirements; issued and inspected locally by the City Building Department.

Verified 2026-07-01 · Source

When you need this permit

  • Sheds and accessory buildings 12'x10' (120 sq ft) or larger require a building permit
  • Retaining walls require a building permit; walls 4 feet tall and over require engineer-stamped plans
  • Decks require a building permit
  • Awnings or covers require a building permit
  • New fences and additions/extensions to existing fences require a building permit (no minimum height threshold in Evanston, unlike some other Wyoming cities)
  • Remodels without plumbing, gas, or structural adjustments do NOT require a permit; remodels that touch plumbing/gas/structure DO
  • Applications submitted via the City's iworq portal

Required documents

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Fee schedule

Building Permit FeeSame valuation-based formula applies to additions, remodels, sheds, decks, awnings, fences, and retaining walls — City of Evanston Engineering & Building Rate Sheet; no separate flat fee line exists per accessory type
$0.010 × project cost (minimum charge $30.00)

Review timeline

Plan reviewEvanston’s published plan-review target
1–10 business days

How long did your Residential Addition / Remodel Permit permit actually take in Evanston?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Footing (if applicable)

    Property lines and setbacks checked; forms in place before concrete pour

  2. 2

    Rough Framing

    After rough plumbing/mechanical approved and roofing/framing/fire blocking complete

  3. 3

    Final Construction

    Work complete per approved plans

See the full Evanston inspection guide — scheduling & re-inspection fees →

Tips

  • Evanston requires a permit for ALL new fences and fence extensions — there is no minimum height exemption like some neighboring cities.
  • Retaining walls 4 feet or taller require engineer-stamped plans submitted with the building permit.
  • Garages/accessory buildings under 120 sq ft (smaller than 12'x10') do not require a permit, but setbacks must still be maintained.
  • Repairing or replacing an existing fence, deck, or awning WITHOUT changing its length, height, material, or location does not require a new permit.

Frequently asked questions

Yes. New fences and any additions to or extensions of existing fences require a building permit from the City of Evanston Building Department, regardless of height.

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.

Evanston's published plan-review target for a residential addition / remodel permit is 1–10 business days.

You'll need: Garages and Accessory Buildings guidance; Plot Plan / Site Plan. Depending on your project, Evanston may also ask for: Decks guidance; Awnings guidance; Fences guidance. See the required-documents checklist on this page for details on each.

Evanston requires 3 inspection(s) for a residential addition / remodel permit, in order: Footing (if applicable), Rough Framing, Final Construction. 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.

Sources & verification

Verified against official sources. Last reviewed 2026-07-01.

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Evanston building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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Residential Addition / Remodel Permit in other cities

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