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Roofing Permit (Commercial / Multi-Family Reroofs Only) in Commerce City, Colorado

Important: Commerce City does not require a building permit for a residential reroof. A permit is required only for reroofs and roof-sheathing replacement in commercial and multi-family buildings, and for residential roof-sheathing replacement exceeding 256 sq ft. That is a genuine local variance from the general rule, so do not assume a permit is needed if you are used to jurisdictions that require one.

Verified 2026-07-13 · Source

When you need this permit

  • Residential reroofs do not require a building permit in Commerce City, per the city's own 'When a Permit Is Required' guidance
  • Residential roof sheathing replacement of 256 sq ft or less does not require a permit, unless the decking being replaced was required at original construction to be fire-retardant-treated or otherwise protected to form a fire-rated wall termination
  • Reroofs in COMMERCIAL and MULTI-FAMILY buildings DO require a building permit
  • Roof sheathing replacement in COMMERCIAL and MULTI-FAMILY buildings DOES require a building permit
  • Even where exempt from a permit, reroofing work must still meet the applicable building code (2021 IRC/IBC roofing provisions as adopted by the C3BC)

Required documents

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Fee schedule

Building Permit Fee (Table 1-A) — valuation $1.00 to $500.00Commercial/multi-family reroof permits are billed on the same valuation-based Table 1-A schedule as building permits generally; Directory of City Fees, Section 2 (PDF)
$30.41

Review timeline

Plan reviewCommerce City’s published plan-review target
21–21 business days

How long did your Roofing Permit (Commercial / Multi-Family Reroofs Only) permit actually take in Commerce City?

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

Inspection process

  1. 1

    Final

    Completed roof verified against approved plans and code, for commercial/multi-family reroofs requiring a permit

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

Tips

  • Do not assume a residential reroof needs a permit in Commerce City — it does not. Only commercial and multi-family reroofs, and residential roof-sheathing replacement over 256 sq ft, trigger a permit requirement.
  • Even without a permit, residential reroofing work must still comply with the adopted building code -- exemption from permitting is not exemption from code compliance.

Frequently asked questions

No. Commerce City's 'When a Permit Is Required' guidance explicitly exempts residential reroofs from permitting (and residential roof sheathing replacement of 256 sq ft or less, unless fire-retardant-treated decking is involved). A permit IS required for reroofs and sheathing replacement in commercial and multi-family buildings.

In Commerce City, the published Building Permit Fee (Table 1-A) — valuation $1.00 to $500.00 is: $30.41. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Commerce City's published plan-review target for a roofing permit (commercial / multi-family reroofs only) is 21–21 business days.

You'll need: Commercial/Multi-Family Reroof Permit Application (eTRAKiT). See the required-documents checklist on this page for details on each.

Commerce City requires 1 inspection(s) for a roofing permit (commercial / multi-family reroofs only), in order: Final. Schedule each through Commerce City Building Safety Division (Community Development Department) (303-289-3790).

Apply through Commerce City Building Safety Division (Community Development Department) at South Platte Crossing Building, 7190 Colorado Blvd. Ste 600 (6th Floor), Commerce City, CO 80022. Phone: 303-289-3790, email: cdpermits@c3gov.com. Office hours: Monday - Friday, 8:00 a.m. - 5:00 p.m.. Official information: https://www.c3gov.com/Business-Development/Building-Permits-Inspections.

Commerce City, Colorado has adopted: City of Commerce City Building Code (C3BC), also known as the 2021 edition of the C3BC — incorporates by reference: 2021 International Building Code (IBC), 2021 International Existing Building Code (IEBC), 2021 International Residential Code (IRC), 2021 International Energy Conservation Code (IECC), 2021 International Fuel Gas Code (IFGC), 2021 International Mechanical Code (IMC), 2021 International Plumbing Code (IPC), 2021 International Swimming Pool and Spa Code (ISPSC), 2021 International Private Sewage Disposal Code (IPSDC), 2021 International Green Construction Code (IgCC), 2023 NFPA 70 National Electrical Code (NEC), 2021 International Fire Code, and 2021 International Property Maintenance Code. Source: Commerce City Municipal Code Chapter 5, Sec. 5-1 and 5-2, https://www.c3gov.com/Business-Development/Building-Permits-Inspections/Step-1-Project-Design/Building-Code-Provisions-in-the-Municipal-Code; City of Commerce City Construction Code — the 2021 IBC as adopted, including Appendix Chapters C, E, F, G, H, I, J, K and N. Source: c3gov.com 2021 International Building Code page, https://www.c3gov.com/Business-Development/Building-Permits-Inspections/Step-1-Project-Design/2021-International-Building-Code; City of Commerce City Residential Code — the 2021 IRC as adopted, including Appendix Chapters AH, AI, AJ, AK, AM, AQ, AR, AS, AT, AU and AW. Source: c3gov.com 2021 International Residential Code page, https://www.c3gov.com/Business-Development/Building-Permits-Inspections/Step-1-Project-Design/2021-International-Residential-Code; City of Commerce City Commercial Energy Conservation Code and City of Commerce City Residential Energy Conservation Code — the 2021 IECC as locally amended (Sections C101.1/R101.1 renamed; C103/R103 construction-document amendments; C104/R104 fees deleted and replaced to reference Article VI, Chapter 5 fee schedule; C109/R109 stop-work order and C110/R110 board-of-appeals sections replaced to reference Commerce City Municipal Code Sec. 5-5007 and Sec. 5-21). For permit applications submitted prior to July 1, 2026, applicants may choose to comply with the 2018 IECC as amended by the city instead. Source: c3gov.com 2021 IECC page, https://www.c3gov.com/Business-Development/Building-Permits-Inspections/Step-1-Project-Design/2021-International-Energy-Conservation-Code; 2023 NFPA 70 National Electrical Code (NEC), adopted by reference per Municipal Code Sec. 5-2. Source: Commerce City Municipal Code Chapter 5, Sec. 5-2; Construction for which a permit application is submitted six months after the effective date of the 2021 C3BC must comply with the 2021 C3BC; applicants during that six-month transition window could choose either the 2021 C3BC or the prior edition; IBC-designed permit applicants were permitted one year after the effective date to comply. Source: Commerce City Municipal Code Chapter 5, Sec. 5-4. Local amendments apply — see the Commerce City overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-13.

Fee schedules

Applications & forms

Department & other records

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 Commerce City building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

Property Access

Commerce City's permit history is searchable by address

38,070 permits on record for Commerce City, 2016–2026 — searchable by street address, with permit type, status, issued date and valuation where the city publishes them.

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Roofing Permit (Commercial / Multi-Family Reroofs Only) in other cities

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