Plumbing Permit in Casper, Wyoming
VerifiedRequired for plumbing installations, alterations, and repairs in Casper. Governed by the 2024 International Plumbing Code (IPC).
Verified 2026-07-01 · Source
When you need this permit
- Plumbing 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
- Separate Sewer Permit ($35) and Water Permit ($35) required for outside water/sewer connections
Required documents
- Req
Plumbing Permit Application
City of Casper Plumbing 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) |
| Sewer Permit | $35 | — |
| Water Permit | $35 | — |
Review timeline
~1–10 business days
Typical estimate — confirm current times with the Casper building department
Inspection process
- 1
Outside Water and Sewer
For outside water and sewer piping and connections prior to backfill
- 2
Underground Plumbing
For piping/connections under floor slabs or in crawl spaces prior to being covered
- 3
Rough Plumbing (Top-Out)
After structure is framed and dried in and plumbing is roughed in, before trim out; system should be pressured before inspection
- 4
Gas Line (Inside and Outside Gas)
After all gas piping installed; lines should be pressurized before inspection
- 5
Final Plumbing
Performed when all plumbing work is 100% complete
Tips
- Casper uses the 2024 International Plumbing Code (IPC) — unlike some Western jurisdictions (e.g., Reno) that use the Uniform Plumbing Code, Casper follows the ICC family for plumbing.
- Outside water and sewer connections require separate $35 Sewer and Water Permits in addition to the plumbing permit.
- Gas lines must be pressurized and ready for inspection before the inspector arrives.
Frequently asked questions
- Which plumbing code does Casper use?
- Casper has adopted the 2024 International Plumbing Code (IPC).
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 (Plumbing 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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