Mechanical / HVAC Permit in Casper, Wyoming
VerifiedRequired for heating, cooling, ventilation, and fuel gas equipment installations in Casper. Governed by the 2024 International Mechanical Code (IMC) and 2024 International Fuel Gas Code (IFGC).
Verified 2026-07-01 · Source
When you need this permit
- Mechanical Permit Application submitted to the Building Inspection Division
- Fee based on the value of the work per the City's combined valuation-based fee schedule
- Gas piping/line work inspected under the 2024 IFGC
Required documents
- Req
Mechanical Permit Application
City of Casper Mechanical Permit Application form
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-based | Graduated table from $70 (valuation $1–$1,000) up to $841 (valuation $99,001–$100,000); over $100,000 = $806 + $5.60 per additional $1,000 or fraction thereof | City of Casper Permit Fee Schedule (eff. February 2, 2026) |
Review timeline
~1–10 business days
Typical estimate — confirm current times with the Casper building department
Inspection process
- 1
Rough Mechanical
Performed after structure is framed and dried in, and mechanical components are roughed in, before trim out
- 2
Final Mechanical
Performed when all mechanical work is 100% complete; typically coordinated with other trades as part of Final/C.O. inspection
Tips
- Casper uses the 2024 IMC for mechanical work and the 2024 IFGC for gas piping — both part of the City's adopted 2024 I-Codes package.
- There is no separate flat-rate schedule for furnace/AC change-outs published by Casper; fees are calculated off the combined valuation table based on job cost.
Frequently asked questions
- What code governs HVAC installations in Casper?
- The 2024 International Mechanical Code (IMC) governs HVAC/mechanical work in Casper, with gas piping governed by the 2024 International Fuel Gas Code (IFGC).
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 — Inspection Information (Mechanical Inspections list)
- City of Casper Permit Fee Schedule (eff. February 2, 2026)
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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