Henderson, NV Building Safety: Carbon Monoxide Detectors (2026)
Key Facts
- Applies to
- All dwelling units citywide
- Standard
- Per IRC/IBC/IEBC alarm rules
- Combo/retrofit alarms
- Permitted if code-compliant
- Enforced by
- Code enforcement, HMC 15.12.060
- Citation
- HMC § 15.12.050(H)
Summary
Henderson's Property Maintenance Code requires every dwelling unit to have working smoke and carbon monoxide alarms meeting International Residential, Building, and Existing Building Code standards, with retrofit or combination units allowed if compliant.
All dwelling units shall be equipped with smoke alarms and carbon monoxide alarms as required in the International Residential Code, International Building Code, and/or International Existing Building Code. Retrofit alarms and/or combination alarms are permitted to be used if they comply with all other provisions of the above-referenced codes and this Code.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 59 Update 3).
Full Breakdown
Henderson Municipal Code § 15.12.050(H), part of the city's Property Maintenance Code, mandates that all dwelling units be equipped with smoke alarms and carbon monoxide alarms as required under the International Residential Code, International Building Code, and International Existing Building Code. Retrofit alarms or combination smoke/CO alarms are allowed if they otherwise comply with those codes and the Municipal Code. The requirement applies citywide, covering rentals and owner-occupied homes alike; a missing or nonfunctioning alarm can trigger a substandard-building finding and code-enforcement action under HMC 15.12.060.
Violations & Fines
Missing or non-working alarms make the unit a substandard building under HMC 15.12.050(M); code enforcement can issue a notice and order under HMC 15.12.060, with compliance deadlines and civil penalties for noncompliance.
Frequently Asked Questions
Does Henderson require carbon monoxide alarms in every home?
Can I use a combination smoke/CO alarm?
What happens if my alarms are missing or broken?
Sources & Official References
Other rules in Henderson
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