Doña Ana County, NM Fire Regulations: Smoke Detectors (2026)
Key Facts
- Battery replacement interval
- At least once per year
- Fire extinguisher placement
- Within 10 feet of kitchen
- Egress identification
- Posted map at each exit
- Inspecting authority
- County Fire Chief or appointee
- Inspection notice
- 24 hours
Summary
Short-term rentals in unincorporated Doña Ana County must meet residential fire life-safety code, including working smoke detectors serviced with fresh batteries at least once a year, a posted egress map at each exit, and a serviced fire extinguisher within 10 feet of the kitchen.
All applicable residential building and fire life safety codes shall be met, including but not limited to smoke detector installations and appropriate entrance/egress identification (via a map on the wall or the back of the door at each egress). Smoke detectors must be maintained and batteries replaced at least once per year. One currently serviced fire extinguisher must be placed within 10 feet of any kitchen or indoor cooking area. The Doña Ana County Fire Chief, or appointee, shall have access to inspect compliance with fire codes upon a twenty-four-hour notice.
Full Breakdown
Section 280-4(G) of Chapter 280 requires all applicable residential building and fire life-safety codes to be met at a short-term rental, including but not limited to smoke detector installation and appropriate entrance and egress identification, posted as a map on the wall or the back of the door at each egress point. The section sets a concrete maintenance interval: smoke detectors must be maintained and their batteries replaced at least once per year. It also requires one currently serviced fire extinguisher placed within 10 feet of any kitchen or indoor cooking area.
Enforcement is not complaint-only: the Doña Ana County Fire Chief, or an appointee, has the authority to inspect a short-term rental for compliance with fire codes upon 24 hours' notice to the owner. This gives the County an independent fire-safety inspection channel distinct from CDD's website monitoring under § 280-4(B), meaning a property can be found out of compliance on fire life-safety grounds even if its business registration and permit are otherwise current. The requirement applies specifically to properties operating as short-term rentals in the unincorporated county; it does not reach rentals inside Las Cruces, Sunland Park, Mesilla or Hatch, which enforce their own municipal fire and building codes.
Violations & Fines
A smoke detector or fire life-safety violation under § 280-4(G) is enforced through § 280-7's general Chapter 280 penalty structure. CDD, Codes Enforcement Officers and the Sheriff's Department can cite the owner, with a first conviction carrying a fine of $50 to $300 and a second or later conviction carrying a mandatory $300 fine that cannot be suspended. A third conviction results in permit revocation and forces the rental to cease operating within seven days, with each day of continued noncompliant operation treated as a separate offense.
Frequently Asked Questions
Are smoke detectors required in a Doña Ana County short-term rental?
Does the property need a fire extinguisher too?
Who can inspect a short-term rental for fire code compliance?
Sources & Official References
Other rules in Doña Ana County
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