Roofing work in Summit County, Colorado by Peak to Peak Roofing
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Summit County Roofing Codes: Permits, Inspections, and Requirements

Adopted building and energy codes, permit rules, and roofing requirements for Summit County, Summit County. Rows below reflect our reading of the jurisdiction's own published sources, linked at the bottom of the page.

Last checked Compiled from published Summit County and city pages

Summit County roofing code requirements

Summit County roofing code reference
Current building code
What this jurisdiction requires
2024 IBC and 2024 IRC for submittals on or after July 1, 2026, amended 2018 editions before that
Current energy code
What this jurisdiction requires
2024 IECC for submittals on or after July 1, 2026
Building permit required
What this jurisdiction requires
Yes
Other or special permits required
What this jurisdiction requires
Structural changes require building permit
Roof system fire rating (residential)
What this jurisdiction requires
Class A required, with wildfire mitigation amendments
Roof system fire rating (commercial)
What this jurisdiction requires
Class A
Roof system fire rating (multi-family)
What this jurisdiction requires
Class A
Minimum wind speed rating for asphalt shingles
What this jurisdiction requires
90 MPH
Requires a sheathing / decking inspection
What this jurisdiction requires
No
Self adhering underlayment (ice and water shield)
What this jurisdiction requires
Ice barrier required at eaves per IRC R905.1.2
Underlayment required 2:12 up to 4:12
What this jurisdiction requires
Ice and Water
Valley material required for closed valleys
What this jurisdiction requires
Ice and water
Valley material required for open valleys
What this jurisdiction requires
Ice and water under metal
Requires ventilation to meet code
What this jurisdiction requires
Per adopted code

Last checked September 2, 2026. This reflects published sources at that date, not an official ruling. Code adoptions change, so confirm with the Summit County building department before you pull a permit.

What Summit County requires, in plain language

Summit County builds to the 2024 IBC and 2024 IRC for submittals on or after July 1, 2026, amended 2018 editions before that. That edition, not the newest code published nationally, is the rulebook an inspector in Summit County holds your roof to. Energy work on the same permit follows the 2024 IECC for submittals on or after July 1, 2026.

Wind is what Summit County tests shingles against. Shingles need a 90 MPH rating.

Underlayment and edge metal are where roofs fail inspection. Ice and water shield: Ice barrier required at eaves per IRC R905.1.2. On 2:12 to 4:12 slopes: Ice and Water.

How Summit County inspects the job. Sheathing or decking inspection: No. Permit: Yes.

Summit County completed adoption of the 2024 I-Code series with amendments. Plans submitted on or after July 1, 2026 follow the 2024 codes, and earlier submittals stay under the prior editions.

Installation details above come from our building department field survey for Summit County, last updated 1/3/19. Code editions and contacts are refreshed from the department directly. Always confirm the details on your permit before work starts, since departments amend requirements on their own schedule.

Code compliant roof installation near Summit County, Colorado

Sources

These links go straight to the jurisdiction, so you always have the real-time source. Adoptions and amendments change on their schedule, not ours. Always confirm before permitting.

Last checked September 2, 2026. This is our best read of published sources, not an official ruling. Confirm with the Summit County building department before you pull a permit.

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