The Roofing Book

Permitting Authorities / City of Aurora - Building Division

Do you need a permit to replace a roof in Aurora, CO?

Adopted code

City of Aurora - Building Division

Yes — a permit is required to replace a roof in Aurora, CO, issued by City of Aurora - Building Division. Because Aurora straddles three counties, roofing work anywhere within the city limits is permitted and inspected by the City of Aurora rather than the county.

Jurisdiction
City of Aurora, Colorado
Jurisdiction type
city
Address
Aurora, CO
Contact
  • url: https://www.auroragov.org/business_services/building_division
Permit portal
Permit portal
Roofing permit required
Required
Contractor registration required
Required
Registration details
  • license: City of Aurora contractor license required for roofing work
  • insurance: proof of general liability insurance required
Permit process note
Because Aurora straddles three counties, roofing work anywhere within the city limits is permitted and inspected by the City of Aurora rather than the county.
Adopted code
International Residential Code and International Building Code with City of Aurora amendments; verify the current edition with the city.
Drip edge
Required — "Drip edge shall cover any gap between the roof sheathing and fascia by a minimum of 2-inches onto the roof deck." (Single Family Residential Re-roofing Building Guide, part of the combined reroofing packet distributed by the City of Aurora Public Works/Building Division, revised 10/15/23; packet also includes Aurora's own Reroofing & Deck Sheathing Requirements Form #A330, rev. 1/2024). About drip edge
Ice & water shield
Required — City of Aurora Engineering Design Criteria (Public Works Building Division Form #A200, rev. 01/2022, for the 2021 I-Codes) lists "Ice Barrier Underlayment Required: Yes" for the city; per the unamended IRC R905.1.2 baseline this extends from the eave edge to 24 in. inside the exterior wall line on all eaves. About ice & water barrier
Mid-roof inspection
Required — "A mid roof inspection may be required" for tile, metal, stone-coated steel, and other special roof types, and "Low slope roofs often require a mid roof inspection" -- both instruct "Check with your local building department or AHJ." Not stated as required for standard asphalt shingle re-roofs. (Building Guide distributed by City of Aurora Building Division, rev. 10/15/23.)
Impact-resistant roofing
Not required — The City of Aurora's 2021 code-adoption bill (amending City Code Chapter 22 to adopt the 2021 IBC, IRC, and related International Codes by reference with local amendments) was reviewed in full, including its complete IRC amendment article (Sections 22-180 through 22-201) and its IBC/IRC roof provisions (Sections 22-148 and 22-196, governing gutters and downspouts); it contains no impact-resistance or UL 2218 requirement.
Wind design criteria
Engineering Design Criteria (Form #A200, rev. 01/2022, "for the 2021 I-Codes") lists "Basic Wind Speed - Vmph" as "105-110 Risk Category II houses, 110-115 Risk Category III, 120-125 Risk Category IV, 100-105 Risk Category I" (note: "Linear interpolation is permitted between contours"); "Special Wind Region: No"; "Topographic Effects: No"; "Exposure Category: IRC R301.2.1.4 or IBC 1609.4.3" (the form cites the code section for site-specific determination rather than printing a single letter category).
Deck & sheathing requirements
Reroofing & Deck Sheathing Requirements (Form #A330, rev. 1/2024): "Solidly sheathed roofs include structural panels such as plywood and oriented strand board (OSB) with 1/8" gaps between panels as typically required by panel manufacturers. Wood boards (space decking) are also considered solidly sheathed, provided the spacing between boards complies with the manufacturer's installation requirements... Individual non-compliant sections of decking needing to be repaired or replaced will not result in the remainder of the decking system to be replaced if the installation will be compliant with the manufacturer's installation instructions of the roofing materials being installed." The companion Building Guide (Colorado Chapter ICC, rev. 10/15/23) adds under Sheathing: "Gaps between sheathing should be no more than 1/4-inch or per the manufacturers requirements. Ensure sheathing is nailed to meet IRC Section R803."
Sales & use tax
Combined rate varies by county: 8.00% in Arapahoe County, 8.50% in Adams County, 8.75% in Douglas County (state 2.9% + RTD 1.0% + SCFD 0.1% + Aurora city 3.75% + county 0.25/0.75/1.00%). Aurora is home-rule self-collected. Aurora collects a building-use-tax deposit at permit issuance, equal to its 3.75% city tax rate (4.00% quoted for Arapahoe County) applied to the estimated cost of construction materials, before the building permit is issued.

Local roofing hub

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The building permit authority for the City of Aurora, which spans Arapahoe, Adams, and Douglas counties. Issues reroofing permits and licenses contractors working in the city.

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Sources

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Roofing questions — Aurora, CO

Do you need a permit to replace a roof in Aurora, CO?

Required.

Is ice & water shield required in Aurora, CO?

Required — City of Aurora Engineering Design Criteria (Public Works Building Division Form #A200, rev. 01/2022, for the 2021 I-Codes) lists "Ice Barrier Underlayment Required: Yes" for the city; per the unamended IRC R905.1.2 baseline this extends from the eave edge to 24 in. inside the exterior wall line on all eaves..

Is drip edge required?

Required — "Drip edge shall cover any gap between the roof sheathing and fascia by a minimum of 2-inches onto the roof deck." (Single Family Residential Re-roofing Building Guide, part of the combined reroofing packet distributed by the City of Aurora Public Works/Building Division, revised 10/15/23; packet also includes Aurora's own Reroofing & Deck Sheathing Requirements Form #A330, rev. 1/2024)..

Is a mid-roof inspection required?

Required — "A mid roof inspection may be required" for tile, metal, stone-coated steel, and other special roof types, and "Low slope roofs often require a mid roof inspection" -- both instruct "Check with your local building department or AHJ." Not stated as required for standard asphalt shingle re-roofs. (Building Guide distributed by City of Aurora Building Division, rev. 10/15/23.).

Do roofing contractors need a license or registration in Aurora, CO?

Required. City of Aurora contractor license required for roofing work.

What building code does Aurora, CO use?

International Residential Code and International Building Code with City of Aurora amendments; verify the current edition with the city.