Residential Building Permit (New Construction) in Casper, Wyoming
VerifiedRequired for new single-family dwellings and other new one- and two-family residential construction in Casper. Governed by the 2024 IRC. Reviewed for compliance with structural, energy (thermal envelope), and life-safety provisions before permit issuance.
Verified 2026-07-01 · Source
When you need this permit
- Building permit and plan review required before construction begins
- Submit through the CSS (Citizen Self-Service / EnerGov) Portal or in person to the Building Inspection Division
- Residential single-family new construction requires: plot plan, soils report/analysis, engineered foundation plan, wall bracing plan, and floor plans showing layout, window locations/sizes, and room sizes
- Plans reviewed against the 2024 IRC and the thermal-envelope provisions of the 2024 IECC
- $280 plan check fee applies to all new one- and two-family residential buildings
- Permit is valid for 180 days from issuance
- Fee is based on the value (materials and labor) of the work per the City's combined valuation-based fee schedule
Required documents
- Req
Building Permit Application
City of Casper Building Permit Application, submitted via the CSS Portal or in person
- Req
Residential Building Permit Checklist
City of Casper's submittal checklist for residential building permits
- Req
Plot Plan
Site plan showing lot lines, setbacks, and location of proposed structure(s) on the City's Plot Plan Form
- Req
Soils Report/Analysis
Required for single-family new construction to inform engineered foundation design
- Req
Engineered Foundation Plan
Stamped foundation design plan for new residential construction
- Req
Wall Bracing Plan
Required structural wall bracing plan per 2024 IRC
- Req
Construction Drawings / Floor Plans
Full plan set showing home layout, window locations and sizes, room sizes, and other construction details
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Initial Building Permit Fee | $35 | City of Casper Permit Fee Schedule (eff. February 2, 2026) |
| Combined Building/Electrical/Plumbing/Mechanical Permit Fee — valuation $1 to $100,000 | Graduated table from $70 (valuation $1–$1,000) up to $841 (valuation $99,001–$100,000); see full valuation table in source PDF | City of Casper Permit Fee Schedule (eff. February 2, 2026) — 'Combined Building, Electrical, Plumbing and Mechanical Permit Fee Schedule'; this includes the Initial Permit Fee |
| Combined Permit Fee — valuation over $100,000 | $806 for the first $100,000 plus $5.60 for each additional $1,000 or fraction thereof | City of Casper Permit Fee Schedule (eff. February 2, 2026) |
| Plan Check Fee — new 1- and 2-family residential | $280 flat | City of Casper Permit Fee Schedule (eff. February 2, 2026) |
| Plan Check Fee — multi-family/commercial/industrial exceeding $25,000 valuation | 65% of the building permit fee | City of Casper Permit Fee Schedule (eff. February 2, 2026) |
| Sewer Permit | $35 | — |
| Water Permit | $35 | — |
| After-the-fact permit surcharge | Double the building permit fee | Assessed when construction is initiated before plan review/approval of a complete application |
Review timeline
~10–30 business days
Typical estimate — confirm current times with the Casper building department
Inspection process
- 1
Footer / Caisson / Monolithic Slab
Hole depth and rebar/form placement before concrete pour
- 2
Foundation Wall
Rebar and form placement for foundation walls
- 3
Framing
Performed after structure is framed and all electrical, plumbing, and mechanical rough-ins are installed and inspected
- 4
Insulation
Proper R-values and placement, performed after framing
- 5
Drywall
Proper thickness/type of drywall and screw placement
- 6
Final / Certificate of Occupancy
All work 100% complete; required before occupancy of the structure
Tips
- Casper's building permit fee schedule is COMBINED across building, electrical, plumbing, and mechanical trades — a single valuation-based table drives most permit fees rather than separate per-trade tables.
- A $280 flat plan check fee applies to all new 1- and 2-family homes, in addition to the valuation-based permit fee.
- Permits are valid for 180 days from issuance.
- The Building Inspection Division recommends submitting all permits and inspection requests through the CSS (EnerGov) Portal at eg.casperwy.gov for status tracking.
- Contact Planning/Zoning at (307) 235-8241 before submitting plans to confirm zoning compliance.
Frequently asked questions
- What code edition does Casper use for residential construction?
- Casper has adopted the 2024 International Residential Code (IRC), along with the 2024 IECC (thermal envelope only) and 2023 NFPA 70 NEC. Local amendments are codified in Title 15 of the Casper Municipal Code.
- How is the building permit fee calculated in Casper?
- Casper uses a single combined valuation-based fee table covering building, electrical, plumbing, and mechanical work. For valuations up to $100,000, fees are read directly off the table (e.g., $70 for $1–$1,000 valuation, scaling up to $841 at $100,000). Above $100,000, the fee is $806 plus $5.60 per additional $1,000 or fraction thereof.
Sources & verification
Verified against official sources. Last reviewed 2026-07-01.
- City of Casper Community Development Department — Building Inspection Division — official building department
- City of Casper — Permit Information
- City of Casper Permit Fee Schedule (eff. February 2, 2026)
- City of Casper — Building and Fire Code Resources
- City of Casper — Inspection Information
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 Casper building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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