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Clark County, NV Building Safety: Carbon Monoxide Detectors (2026)

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

Key Facts

Citation
Clark County Code § 7.100.170(j)(3)
Requirement
CO detector on every floor
Enforced by
Dept. of Business License
First-violation fine
$500, then $1,000 each
Scope
Licensed short-term rentals only

Summary

Short-term rental licensees in unincorporated Clark County must install a carbon monoxide detector, or combination smoke/CO unit, on every floor of the rental, including basements and attics.

City-specific rules exist: Henderson, and Las Vegas have their own carbon monoxide detectors rules that differ from Clark County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

(j) Fire Safety. Each licensee must: ... (3) Install and maintain a carbon monoxide detector, or a combination smoke and carbon monoxide detector, on each floor of the short-term rental unit, including basements and habitable attics.

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 147).

Full Breakdown

Clark County Code § 7.100.170(j)(3) requires every short-term rental licensee to install and maintain a carbon monoxide detector, or a combination smoke and carbon monoxide detector, on each floor of the rental unit, including basements and habitable attics. This sits alongside the chapter's other fire-safety duties: a working fire extinguisher on each floor, interconnected smoke alarms in every sleeping room, and a posted evacuation route plan. The Clark County Department of Business License administers the short-term rental license program and can issue administrative citations or suspend the license for noncompliance. It applies countywide in unincorporated Clark County, including the Strip-area townships of Paradise and Winchester.

Violations & Fines

Missing or nonworking CO detectors can draw an administrative citation, $500 for a first violation, $1,000 for each later one, and put the short-term rental license at risk of suspension or revocation.

Frequently Asked Questions

Does this apply to every home in Clark County, not just rentals?
No. This is a licensing condition for short-term rentals under Chapter 7.100: it does not set a standalone CO detector mandate for owner-occupied, non-rental homes.
Where exactly must the detector be installed?
On each floor of the short-term rental unit, including basements and any habitable attic, per Clark County Code § 7.100.170(j)(3).

Sources & Official References

Other rules in Clark County

All Clark County rules

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Carbon Monoxide Detectors in Cities Across Clark County