Residential Building Permit (New Construction) in Evanston, Wyoming
VerifiedRequired for new single-family, manufactured, or trailer home construction in Evanston. Reviewed for compliance with zoning, Evanston design load values (wind/seismic/snow/frost), and current International Residential Code requirements per Evanston City Code § 7-52.1. The City's Building Department issues the permit and performs inspections locally; qualifying buildings under W.S. § 35-9-108 (see department notes) additionally require Wyoming State Fire Marshal plan review.
Verified 2026-07-01 · Source
When you need this permit
- 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
Required documents
- Req
Building Permit Packet / Building Permit Legal Requirements
City of Evanston's building permit legal requirements, 'Do I Need a Permit' list, and Evanston design load values (wind, seismic, snow, frost depth), revised 12/17/2025
- Req
Plot Plan / Site Plan
Shows the location of the proposed building and every existing building on the property
- Req
Construction Drawings and Specifications
Drawn to scale, sufficient clarity to show the nature and extent of the work, in accordance with the current IRC/IBC and all applicable laws and regulations
- Opt
Structural Computations
Computations, stress diagrams, and other data sufficient to show correctness of plans, as required by the Building Official
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee | $0.010 × project cost (minimum charge $30.00) | City of Evanston Engineering & Building Rate Sheet; fees updated annually each July |
Review timeline
1–10 business days
Evanston’s published plan-review target
Inspection process
- 1
Sewer/Water Service Lines
Line connections inspected prior to backfilling trenches
- 2
Footings
Property lines identified and setbacks checked; footing forms in place
- 3
Foundation Reinforcing Steel (Rebar)
All rebar (including ufer ground) in place and tied before concrete pour
- 4
Foundation Wall
After all forms and rebar in place, prior to pouring concrete
- 5
Underground Plumbing
After underground plumbing installed, prior to covering/concrete
- 6
Rough Plumbing
After all waste, vent, and water piping installed
- 7
Rough Mechanical
After venting and ductwork installed
- 8
Electrical (State)
Contact the State of Wyoming Electrical Inspector directly — not performed by the City
- 9
Rough Framing
After rough plumbing/mechanical approved and after roofing, framing, and fire blocking complete and structure weather-proofed
- 10
Sheetrock
After all sheetrock installed and fastened at required spacing
- 11
Final Construction
Building complete and ready for occupancy, including grading, sidewalks, driveways, curb box, and sewer clean-out to finished grade
- 12
Certificate of Occupancy
Required prior to moving furnishings into the building
Tips
- Evanston's design load values differ by area of the city: 100 mph wind/Exposure B within the 1980 developed city area vs. 110 mph/Exposure C on the surrounding bench areas — confirm which zone your lot is in.
- Minimum footing depth is 54 inches (70 inches for unprotected footings/water lines) — notably deeper than many other Wyoming cities, reflecting Evanston's climate and elevation.
- The City has up to 10 working days to approve site plans and building permits; the Building Department issues a first review response within 10 business days.
- Solar systems require BOTH a City building permit AND a Wyoming State Plan Review and Electrical Permit — see the solar-pv-permit type.
Frequently asked questions
- Who inspects electrical work on my new home in Evanston?
- 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.
- How long does building permit review take in Evanston?
- 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.
Sources & verification
Verified against official sources. Last reviewed 2026-07-01.
- City of Evanston Engineering & Planning Department — Building Department — official building department
- City of Evanston — Residential Construction (Engineering & Planning)
- City of Evanston Building Permit Legal Requirements (incl. design load values, rev. 12/17/2025)
- City of Evanston Building Department — Inspection Information
- City of Evanston Engineering & Building Rate Sheet (fee schedule)
- City of Evanston permit application portal (iworq)
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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