IRC R317 Openers: The Code Requirement That Every Automatic Garage Door Opener Be UL 325 Listed

Federal law requires residential garage door openers to meet UL 325. The building code then makes that requirement a permit inspection item. IRC R317 (formerly R309.4) requires that automatic openers be listed and labeled to UL 325 before installation.

What this section says

The IRC garage chapter includes a specific provision for automatic garage door openers. In the 2024 IRC it is part of R317. In the 2021 and earlier editions it was Section R309.4. The requirement reads:

"Automatic garage door openers, if provided, shall be listed and labeled in accordance with UL 325."

This is a simple, direct requirement. The opener must carry UL 325 listing. "Listed" means a recognized testing laboratory has evaluated the product against the UL 325 standard and found it compliant. "Labeled" means the product carries the listing mark.

The provision makes UL 325 compliance a building code requirement, not just a product safety expectation. This means:

• When work is permitted that includes a new opener, an inspector can require proof of UL listing.
• A non-listed opener installed during permitted work is a code violation.
• The AHJ can require the opener to be replaced with a listed model to pass inspection.

The connection matters because not all garage door openers sold at retail or online carry a current UL listing. Off-brand and imported openers are sometimes sold without proper certification.

When it applies

This provision applies wherever the IRC has been adopted and a permit is required for the work that includes the opener installation. In Denver, a full garage door replacement with opener typically requires a building permit, and the opener is inspected.

Routine opener replacement without other permitted work is less likely to trigger an inspection in practice, but the requirement still exists. An opener that does not meet UL 325 is non-compliant with both the IRC and with federal law under 16 CFR Part 1211.

What this means for you

Look for the UL mark. Before installation, locate the UL listing mark on the opener head unit. It is typically a small circle with "UL" inside it, or the full UL Solutions mark with a listing number. Confirm the mark is for UL 325 (not just a general UL listing for electrical safety).

Verify the current edition. UL 325 was revised in February 2023. Openers manufactured and listed under the current edition should reference UL 325-2023 in their documentation. The CPSC adopted this edition in March 2024.

Keep documentation. When a permit is pulled, the inspector may ask for the UL listing number or the model number to verify listing status. Keep the product documentation and packaging until the permit is closed.

Unlisted openers are a liability. An unlisted opener is non-compliant with the IRC and with federal law. If an injury occurs with a non-listed opener, the building owner or installer may face questions about code compliance.

G Brothers uses only UL 325-listed openers on every installation. We can provide the listing documentation for any permit inspection.

Full text and source

Read the ICC's technical article on IRC garage door provisions at https://www.iccsafe.org/building-safety-journal/bsj-technical/garage-door-provisions-in-the-international-residential-code/. The full 2024 IRC is available at iccsafe.org. The Denver 2025 DBC is at denvergov.org.

The UL 325 listing requirement applies to automatic garage door openers only, not to the door itself. The door has separate structural and wind-rating requirements under IRC R609.4.