Commercial Tenant Improvement Permit in Westminster, Colorado
Required for interior remodels, additions, and tenant improvements in commercial buildings in Westminster. Reviewed against the 2021 IBC, IFC, IPC, IMC, IFGC, and IECC plus the 2023 NEC and ICC/ANSI A117.1-2017 accessibility standard, all with Westminster amendments. Submitted digitally via eTRAKiT with a published SLA.
Verified 2026-06-30 · Source
When you need this permit
- Properly completed online building permit application via eTRAKiT; incomplete applications are not accepted
- Scalable architectural site plan showing accessible routes, parking, curb ramps, and other ICC/ANSI A117.1-2017 compliance details
- Exterior elevations depicting all exposed mechanical/electrical equipment, meters, and gas lines, with screening methods per Planning Division review
- Digitally submitted plans must be signed and sealed by the design professional of record
- Site-specific soils report including foundation recommendations
- A licensed contractor must be signed onto the permit prior to issuance (design professionals may apply, but a licensed contractor must be added before issuance)
- Commercial building permit review timeline: 30 business days for initial review, 15 business days for subsequent reviews (published City SLA)
Required documents
- Req
Commercial Building Permit Application (eTRAKiT)
Online application through the City's eTRAKiT system
- Req
Commercial Plan Review Submittal Guidelines
City of Westminster's current commercial submittal checklist, listing all applicable design codes and editions
- Req
Full Construction Drawing Set
Architectural, structural, mechanical, plumbing, electrical plans as applicable, digitally signed/sealed
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — valuation-based (same Table 1 as residential) | Per the City of Westminster Building Division Fee Schedule valuation tiers | Fee Schedule, effective January 1, 2026; commercial valuation includes labor, materials, and all trade work |
| Plan Review Fee | 65% of the Building Permit Fee | — |
| Permit Trade Fees (mechanical, plumbing, electric) | An additional 15% of the Building Permit Fee, plus 15% of the Plan Review Fee, for each trade involved | — |
| Estimated Use Tax | 4.25% of 50% of Total Valuation | — |
Review timeline
15–30 business days
Westminster’s published plan-review target
Inspection process
- 1
Framing / Structural
After framing complete before walls covered
- 2
MEP Rough-In
Mechanical, electrical, plumbing rough-in before walls closed
- 3
Final / Certificate of Occupancy
All work complete, life safety systems functional
Tips
- Westminster publishes a firm commercial review SLA: 30 business days for the initial review and 15 business days for each subsequent review cycle — budget your project timeline accordingly.
- The Commercial Plan Review Submittal Guidelines list the complete adopted code set in one place: 2021 IBC/IFC/IRC/IPC/IMC/IFGC/IECC plus 2023 NEC and ICC/ANSI A117.1-2017 — use this as your single reference for code editions.
- A licensed contractor must be signed onto the permit before issuance, even if a design professional submitted the original application.
Frequently asked questions
- How long does commercial plan review take in Westminster?
- The City of Westminster's published SLA is 30 business days for the initial review and 15 business days for each subsequent review cycle.
- What codes apply to a commercial tenant improvement in Westminster?
- The 2021 International Building, Fire, Residential, Plumbing, Mechanical, Fuel Gas, and Energy Conservation Codes, plus the 2023 National Electrical Code and ICC/ANSI A117.1-2017 accessibility standard, all with Westminster amendments — per the City's Commercial Plan Review Submittal Guidelines.
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
- City of Westminster — Department of Community Development, Building Division — official building department
- Commercial Plan Review Submittal Guidelines (PDF)
- City of Westminster — Building Division (commercial review SLA announcement)
- Building Division Fee Schedule, effective January 1, 2026 (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.
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