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Pasadena, CA Building Safety: Carbon Monoxide Detectors (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Applies to
Short-term rental hosts, PMC 17.50.296
Application requirement
Notarized affidavit, Sec. E.2.b.ii
Ongoing duty
Provide and maintain, Sec. F.4
Paired equipment
Smoke detectors, fire extinguishers
Enforcement
Counts toward Sec. I.3 strike suspension

Summary

Any host operating a short-term rental in Pasadena must install carbon monoxide detectors before the city will approve a permit, and keep them maintained for as long as the rental operates, alongside smoke detectors and fire extinguishers.

ii.The space used for short-term rental meets or exceeds fire and life safety requirements, including installation of smoke and carbon monoxide detectors, and adequate means of egress.... 4.The host shall provide and maintain fire extinguishers, smoke detectors, carbon monoxide detectors, and information related to emergency exit routes and emergency contact information.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 79 Update 2).

Full Breakdown

296, folds carbon monoxide detection into both the permit application and the ongoing host duties for home-sharing and hosted-stay units. ii requires the host to sign a notarized affidavit confirming that the space used for short-term rental meets or exceeds fire and life safety requirements, expressly including installation of smoke and carbon monoxide detectors and adequate means of egress; this affidavit is a condition of eligibility for the permit issued by the Planning and Community Development Department. 4, under the chapter's host requirements, obligates the host to provide and maintain fire extinguishers, smoke detectors, and carbon monoxide detectors, together with information about emergency exit routes and emergency contact information, for guests.

I that can suspend or revoke the rental permit. Because the code ties detector maintenance to the host's ongoing eligibility rather than treating it as a one-time inspection item, a missing or non-functioning carbon monoxide detector discovered during a complaint-driven inspection can itself count as a violation under the section's general compliance clause.

Violations & Fines

Failing to provide or maintain a carbon monoxide detector is a violation of Section 17.50.296 and can be counted toward the three-violation threshold in subsection I.3 that triggers automatic permit suspension, followed by a possible revocation hearing before the city manager under Chapter 1.25.

Frequently Asked Questions

Does Pasadena require carbon monoxide detectors in short-term rentals?
Yes. PMC Section 17.50.296.F.4 requires the host to provide and maintain carbon monoxide detectors, smoke detectors, and fire extinguishers, and Section 17.50.296.E.2.b.ii requires a notarized affidavit at application confirming the unit meets fire and life safety requirements including those detectors.
What happens if a carbon monoxide detector is missing during an inspection?
A missing detector is a violation of Section 17.50.296. Violations at the same property accumulate, and three of them can trigger automatic permit suspension under subsection I.3, with revocation possible after a hearing before the city manager.
Which city department reviews the safety affidavit?
The Planning and Community Development Department processes the short-term rental permit application, including the host's notarized affidavit certifying compliance with fire and life safety requirements under Section 17.50.296.E.2.b.

Sources & Official References

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