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Deck / Covered Patio Permit in Westminster, Colorado

Required for decks over 30 inches above grade, any deck with an attached roof, patio covers, awnings, and carports in Westminster. Decks 30 inches or less above grade with no roof do not require a permit.

Verified 2026-06-30 · Source

When you need this permit

  • Decks over 30 inches above ground level require a permit
  • Any deck with an attached roof requires a permit regardless of height
  • Patio covers, non-retractable awnings, and carports require a permit
  • Decks not more than 30 inches above ground (uncovered) do NOT require a permit — but Planning approval may still be required; contact the Planning Division at 303-658-2092 before proceeding
  • Retaining walls greater than 3 feet, or with surcharge, require a permit (walls 36 inches or less with no surcharge do not)

Required documents

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Fee schedule

Building Permit Fee — valuation-based (same tiers as new construction)Westminster does not publish a separate flat deck/patio fee; decks over 30in and all covered structures use the standard valuation-based fee table
Varies by valuation — see Residential Building Permit fee tiers
Plan Review Fee
65% of the Building Permit Fee

Review timeline

Plan reviewTypical estimate — confirm current times with the Westminster building department
~1–1 business days

How long did your Deck / Covered Patio Permit permit actually take in Westminster?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Footing (if applicable)

    Before concrete pour for structural post footings — 36-inch frost depth minimum

  2. 2

    Framing

    Structural framing before decking/cover installed

  3. 3

    Final

    Structure complete per approved plans

See the full Westminster inspection guide — scheduling & re-inspection fees →

Tips

  • Height and roof determine your permit path: uncovered decks 30 inches or less above grade need no building permit (but may still need Planning Division sign-off); any deck over 30 inches, or any deck with an attached roof, requires a full building permit.
  • Patio covers and carports always require a permit in Westminster, regardless of height.
  • Contact the Planning Division (303-658-2092) before building even a permit-exempt deck or shed — HOA and zoning approval may still apply.

Frequently asked questions

Only if the deck is more than 30 inches above ground level, or if it has an attached roof. Uncovered decks 30 inches or less above grade do not require a building permit, though Planning Division approval may still apply.

In Westminster, the published Building Permit Fee — valuation-based (same tiers as new construction) is: Varies by valuation — see Residential Building Permit fee tiers. Additional published fees: Plan Review Fee — 65% of the Building Permit Fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a deck / covered patio permit in Westminster typically runs 1–1 business days. This is an estimate, not a published figure — confirm current review times with City of Westminster — Department of Community Development, Building Division at 303-658-2075.

You'll need: Building Permit Application (eTRAKiT); Site Plan. Depending on your project, Westminster may also ask for: Deck Guide; Patio Cover and Carports Guide. See the required-documents checklist on this page for details on each.

Westminster requires 3 inspection(s) for a deck / covered patio permit, in order: Footing (if applicable), Framing, Final. Schedule each through City of Westminster — Department of Community Development, Building Division (303-658-2075).

Apply through City of Westminster — Department of Community Development, Building Division at 4800 W. 92nd Avenue, Westminster, CO 80031. Phone: 303-658-2075, email: permits@westminsterco.gov. Office hours: Mon–Fri, 8 a.m.–5 p.m. (front office); residential permit review walk-through times: Tuesdays 1–4:30 p.m. and Thursdays 9 a.m.–noon; all permits must be applied for online via eTRAKiT. Official information: https://www.westminsterco.gov/621/Building-Division.

Westminster, Colorado has adopted: 2021 International Building Code (IBC) — with City of Westminster amendments; effective June 1, 2024; 2021 International Residential Code (IRC) — with City of Westminster amendments; effective June 1, 2024; 2021 International Fire Code (IFC) — with City of Westminster amendments; effective June 1, 2024; 2021 International Plumbing Code (IPC) — with City of Westminster amendments; effective June 1, 2024; 2021 International Mechanical Code (IMC) — with City of Westminster amendments; effective June 1, 2024; 2021 International Fuel Gas Code (IFGC) — with City of Westminster amendments; effective June 1, 2024; 2021 International Energy Conservation Code (IECC) — adopted per Westminster Municipal Code Section 11-9-11, meeting the Colorado HB22-1362 statewide minimum energy-code floor; Colorado Model Electric Ready and Solar Ready Code — adopted per Westminster Municipal Code Section 11-9-12, with Westminster amendments (waiver/variance provisions for commercial buildings over 10,000 sq ft and substantial cost differential appeals); 2023 National Electrical Code (NEC) / NFPA 70 — current edition (per Westminster's Commercial Plan Review Submittal Guidelines); the City has announced the 2026 NEC will become effective August 1, 2026, superseding the 2023 edition; ICC/ANSI A117.1-2017 — Standard for Accessible Design. Local amendments apply — see the Westminster overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-06-30.

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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Deck / Covered Patio Permit in other cities

Arvada, ColoradoAult, ColoradoAurora, ColoradoBennett, ColoradoBerthoud, ColoradoBoulder, ColoradoBow Mar, ColoradoBrighton, Colorado

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