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Solar PV Permit in Westminster, Colorado

Required for interconnected electric power production sources including rooftop or ground-mounted solar/photovoltaic systems in Westminster. Processed as a Miscellaneous Permit with a flat fee, subject to the Colorado Model Electric Ready and Solar Ready Code amendments (WMC 11-9-12).

Verified 2026-06-30 · Source

When you need this permit

  • Interconnected electric power production sources (generators, solar/photovoltaic, wind, fuel cell systems) require a permit in all areas
  • Plans must show compliance with the Colorado Model Electric and Solar Ready Provisions (WMC 11-9-12)
  • Structural verification that the roof can support the panel/racking load per the City's Design Criteria for Structures (30 psf snow load, City Map Wind Zone wind speed, Seismic Design Category B)
  • Electrical single-line diagram and load calculations required
  • A licensed electrical contractor holding a City of Westminster Class C Electrical Contractor license must be signed onto the permit Contractor

Required documents

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Fee schedule

Solar Systems (Miscellaneous Permit Fee)City of Westminster Building Division Fee Schedule, effective January 1, 2026 — Miscellaneous Permit Fees section
$300.00

Review timeline

Plan reviewTypical estimate — confirm current times with the Westminster building department
~1–10 business days

How long did your Solar PV Permit permit actually take in Westminster?

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Inspection process

  1. 1

    Rough Electrical

    Conduit runs, wire sizing, disconnect placement before cover

  2. 2

    Final — Structural / Electrical

    Panel mounting, racking attachment, roof penetration sealing, and all electrical connections verified

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

Tips

  • Solar systems in Westminster are a flat $300.00 Miscellaneous Permit fee — not a valuation-based fee like general building permits.
  • Structural calculations must account for Westminster's 30 psf minimum ground snow load and its City Map Wind Zone-specific wind speed (Zone 1/2/3 = 131/142/155 mph).
  • Re-roofing over existing solar requires a separate permit to remove and reinstall the panels.

Frequently asked questions

Westminster requires a solar pv permit for: Interconnected electric power production sources (generators, solar/photovoltaic, wind, fuel cell systems) require a permit in all areas; Plans must show compliance with the Colorado Model Electric and Solar Ready Provisions (WMC 11-9-12); Structural verification that the roof can support the panel/racking load per the City's Design Criteria for Structures (30 psf snow load, City Map Wind Zone wind speed, Seismic Design Category B); Electrical single-line diagram and load calculations required; A licensed electrical contractor holding a City of Westminster Class C Electrical Contractor license must be signed onto the permit. If your project isn't listed, confirm with City of Westminster — Department of Community Development, Building Division at 303-658-2075 before starting work.

Solar systems are a flat $300.00 Miscellaneous Permit fee per the City of Westminster Building Division Fee Schedule (effective January 1, 2026).

Plan review for a solar pv permit in Westminster typically runs 1–10 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: Solar Permit Application (eTRAKiT); Electrical Plan; Structural/Racking Details; Equipment Specifications. See the required-documents checklist on this page for details on each.

Westminster requires 2 inspection(s) for a solar pv permit, in order: Rough Electrical, Final — Structural / Electrical. 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.

Other permits in Westminster

Residential Building Permit (New Construction)Residential Addition / Remodel PermitElectrical PermitPlumbing PermitMechanical / HVAC PermitRoofing Permit (Reroof)Electric Vehicle Charger PermitAccessory Dwelling Unit (ADU) PermitDemolition PermitCommercial Tenant Improvement PermitDeck / Covered Patio PermitSign PermitFire Sprinkler & Fire Alarm PermitChange of Use / Change of Occupancy Permit

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