Plumbing Permit in Westminster, Colorado
Required for plumbing installations, alterations, and repairs in Westminster, including underground repair/replacement of sewer and water lines. The City of Westminster's Building Division issues plumbing permits itself; contractors must hold the underlying Colorado state DORA Plumbing license as a prerequisite to the City's Class B Plumbing Contractor license.
Verified 2026-06-30 · Source
When you need this permit
- Underground repair/replacement of sewer/water lines requires a permit
- Relocating plumbing fixtures requires a permit (replacing fixtures in place does not)
- Whole house water softener system installation requires a permit
- Plumbing contractors must hold a City of Westminster Class B Plumbing Contractor license ($110) — issuance requires copies of the state master's and state contractor's license
- Beginning May 1, 2026: Plumbing subcontractors must be registered with the City and signed onto the permit prior to permit release
Required documents
- Req
Building/Plumbing Permit Application (eTRAKiT)
Westminster issues a single project permit; plumbing scope is entered on the same application with the applicable trade fee
- Req
Contractor License Application
City of Westminster Class B Plumbing Contractor license application ($110); requires copies of the state master's and state contractor's licenses
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Permit Trade Fee — Plumbing | An additional 15% of the Building Permit Fee, plus 15% of the Plan Review Fee | City of Westminster Building Division Fee Schedule, effective January 1, 2026 |
| Water Heater Replacement (Miscellaneous SFD Residential Permit) | $40.00 | City of Westminster Building Division Fee Schedule — Miscellaneous SFD Residential Permit Fees section |
| Contractor License — Class B Plumbing Contractor | $110.00 | Requires copies of Colorado state master's license and state contractor's license; City of Westminster Contractor License Application (Revised October 9, 2025) |
Review timeline
~1–1 business days
Typical estimate — confirm current times with the Westminster building department
Inspection process
- 1
Underground / Under-slab
Before concrete pour — verify pipe slope, materials, cleanouts
- 2
Rough-In
After pipes installed before walls closed
- 3
Final
All fixtures connected, no leaks, proper venting verified
Tips
- Water heater replacement is a flat $40.00 miscellaneous residential permit — one of Westminster's least expensive permit types.
- Simply replacing a plumbing fixture in the same location does not require a permit in Westminster, but relocating a fixture does.
- The City's Class B Plumbing Contractor license ($110) still requires the underlying Colorado state DORA Plumbing master's and contractor's license as a prerequisite.
Frequently asked questions
- Who issues plumbing permits in Westminster — the city or the State of Colorado?
- The City of Westminster Building Division issues plumbing permits itself as part of its single project-permit model. Plumbing contractors must separately hold a Colorado state DORA Plumbing Contractor license, which is a documented prerequisite for the City's own Class B Plumbing Contractor license ($110).
- How much does a water heater permit cost in Westminster?
- A water heater replacement is a flat $40.00 fee per the City of Westminster Building Division Fee Schedule (effective January 1, 2026).
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
- City of Westminster — Department of Community Development, Building Division — official building department
- City of Westminster — Building Division
- Building Division Fee Schedule, effective January 1, 2026 (PDF)
- Contractor License Application, Revised October 9, 2025 (PDF)
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 Westminster building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
Other permits in Westminster
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