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Fire Sprinkler & Fire Alarm System Permit in Unincorporated Doña Ana County, New Mexico

Required for installing, altering, or extending an automatic fire-extinguishing (sprinkler) system or fire alarm/detection system in unincorporated Doña Ana County, under the adopted 2021 International Fire Code (IFC) § 105.7 as locally amended by Doña Ana County Code Chapter 195 (Fire Code), § 195-3. Issued by the County's own Fire Code Official, housed in the Fire Prevention Division of Doña Ana County Fire Rescue — a SEPARATE department and process from both the Building Services Division (which issues the building/electrical/plumbing/mechanical trade permits documented elsewhere in this file) and the New Mexico State Fire Marshal's Office. This confirms the county's self-administration model extends to fire-code permitting as well, just through a different county department than Building Services. No itemized fire-permit fee schedule, standalone application form, or review-timeline SLA was found published on the county's website after checking the Fire Rescue, Fire Prevention, and Building Services pages and the local Fire Code amendments themselves — documented honestly as a gap rather than invented.

Reviewed 2026-07-22 · Source

When you need this permit

  • A construction permit from the Fire Code Official is required before installing, altering, or extending an automatic fire-extinguishing (sprinkler) system or a fire alarm/detection system, per 2021 IFC § 105.7 as locally amended by DAC Code § 195-3(A)(10)
  • All automatic sprinkler systems must be designed with a minimum 10 psi safety margin unless otherwise approved by the County Fire Chief, fire prevention personnel, or designee (IFC § 105.7.1.1, added by county amendment)
  • Hydraulic calculations are required for a modification to an existing automatic fire-extinguishing system when the number of heads being added exceeds 10, or exceeds 10% of the system's total heads (IFC § 105.7.1.2, added by county amendment), or whenever the Fire Code Official otherwise deems it necessary
  • Sprinkler system supervision and alarm requirements apply per IFC § 903.4, with a county-amended exception for limited-area systems serving fewer than 20 sprinklers in occupancies other than Group H (High Hazard) and Group I
  • A permit is not valid until all required fees are paid (IFC § 105.1.1 as amended); facilities owned, operated, and maintained by government entities are exempt from the fee
  • Construction documents must be submitted per requirements established by the Community Development Department (IFC § 105.4 as amended)

Required documents

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Fee schedule

Fire Code Construction Permit Fee (sprinkler/alarm systems)DAC Code § 195-3(A)(6), amending IFC § 105.1.1, states that 'any required permit fees shall be established by resolution adopted by the Board of County Commissioners' rather than fixed in the code text — no such resolution or itemized fire-permit fee schedule was found published on the county's website after checking the Fire Rescue, Fire Prevention, and Building Services pages, the Building Permit Fee Schedule PDF, and DAC Code Chapters 179 and 195. Confirm the current fee directly with the Fire Prevention Division: (575) 647-7925 (Deputy Fire Chief) or (575) 647-7921 (Fire Rescue main line).
Not published
Unpermitted-Work Penalty FeeDAC Code § 195-3(A)(6): a penalty fee applies, in addition to the regular permit fee, for commencing fire-code-regulated work without first obtaining the required permit — the amount is set by BOCC resolution, not itemized in the adopted code text itself.
Not published

Review timeline

Plan review
Not published — contact the department

How long did your Fire Sprinkler & Fire Alarm System Permit permit actually take in Unincorporated Doña Ana County?

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Inspection process

  1. 1

    Fire Prevention Plan Review

    Construction documents for automatic fire-extinguishing and fire alarm systems are reviewed by the County Fire Code Official (Fire Prevention Division) prior to permit issuance, per the adopted IFC's administrative provisions and DAC Code § 195-3(A)(8).

  2. 2

    Final Fire Inspection

    A final inspection by the Fire Prevention Division confirming the installed system matches the approved plans is required before the system may be placed in service, consistent with the adopted IFC's general permit/inspection framework. Doña Ana County does not publish a distinct itemized inspection checklist for fire-sprinkler/alarm permits specifically (unlike the phased building/electrical/plumbing inspection checklists documented elsewhere in this file) — confirm the specific inspection sequence with the Fire Prevention Division, (575) 647-7925.

See the full Unincorporated Doña Ana County inspection guide — scheduling & re-inspection fees →

Tips

  • Fire sprinkler and fire alarm permits in unincorporated Doña Ana County are issued by the County's own Fire Code Official within the Fire Prevention Division of Doña Ana County Fire Rescue — a SEPARATE department and permit track from the Building Services Division that issues the building/electrical/plumbing/mechanical permits documented elsewhere in this file. Like those trades, fire-code permitting is self-administered at the county level, not routed to the New Mexico State Fire Marshal's Office.
  • No itemized fire-permit fee schedule is published online; DAC Code § 195-3 states fees are 'established by resolution adopted by the Board of County Commissioners' rather than fixed in the code text itself — call the Fire Prevention Division, (575) 647-7925, to confirm current fees before applying.
  • All automatic sprinkler systems must carry a minimum 10 psi safety margin in their design, and hydraulic calculations are required for any modification adding more than 10 heads (or more than 10% of the system's total heads) to an existing system.

Frequently asked questions

Unincorporated Doña Ana County requires a fire sprinkler & fire alarm system permit for: A construction permit from the Fire Code Official is required before installing, altering, or extending an automatic fire-extinguishing (sprinkler) system or a fire alarm/detection system, per 2021 IFC § 105.7 as locally amended by DAC Code § 195-3(A)(10); All automatic sprinkler systems must be designed with a minimum 10 psi safety margin unless otherwise approved by the County Fire Chief, fire prevention personnel, or designee (IFC § 105.7.1.1, added by county amendment); Hydraulic calculations are required for a modification to an existing automatic fire-extinguishing system when the number of heads being added exceeds 10, or exceeds 10% of the system's total heads (IFC § 105.7.1.2, added by county amendment), or whenever the Fire Code Official otherwise deems it necessary; Sprinkler system supervision and alarm requirements apply per IFC § 903.4, with a county-amended exception for limited-area systems serving fewer than 20 sprinklers in occupancies other than Group H (High Hazard) and Group I; A permit is not valid until all required fees are paid (IFC § 105.1.1 as amended); facilities owned, operated, and maintained by government entities are exempt from the fee; Construction documents must be submitted per requirements established by the Community Development Department (IFC § 105.4 as amended). If your project isn't listed, confirm with Doña Ana County Community Development Department — Building Services Division at (575) 647-7350; Fax (575) 525-6131; TDD (575) 525-5951 before starting work.

Not published on the county's website. DAC Code § 195-3(A)(6) (amending IFC § 105.1.1) states that fire-code permit fees are set by a separate Board of County Commissioners resolution rather than itemized in the code text — contact the Fire Prevention Division, (575) 647-7925, for the current fee.

Unincorporated Doña Ana County does not publish a plan-review timeline for this permit. Contact Doña Ana County Community Development Department — Building Services Division at (575) 647-7350; Fax (575) 525-6131; TDD (575) 525-5951 for current turnaround.

You'll need: Fire Code Construction Permit Application. Depending on your project, Unincorporated Doña Ana County may also ask for: Sprinkler/Alarm System Design Plans and Hydraulic Calculations. See the required-documents checklist on this page for details on each.

Unincorporated Doña Ana County requires 2 inspection(s) for a fire sprinkler & fire alarm system permit, in order: Fire Prevention Plan Review, Final Fire Inspection. Schedule each through Doña Ana County Community Development Department — Building Services Division ((575) 647-7350; Fax (575) 525-6131; TDD (575) 525-5951).

Apply through Doña Ana County Community Development Department — Building Services Division at 845 N. Motel Blvd., Room 150, Las Cruces, NM 88007. Phone: (575) 647-7350; Fax (575) 525-6131; TDD (575) 525-5951, email: buildingservices@donaana.gov. Office hours: County administrative offices open at 8:00 AM (confirmed via the county's own delayed-opening notice stating a 2-hour delay resumes 'normal operations' at 10 a.m., i.e. normal opening is 8:00 AM); the Building Services Division's own site does not publish a distinct closing time or Building-Services-specific hours separate from general county office hours, and no further closing-time citation could be independently confirmed after checking the department's own pages, the county homepage, and the general department directory.. Official information: https://www.donaana.gov/departments/community_services/building_services/permit_requirements.php.

Unincorporated Doña Ana County, New Mexico has adopted: New Mexico is a statewide-minimum-code state under the Construction Industries Licensing Act (NMSA 1978 § 60-13-44(E)): 'All political subdivisions of the state are subject to the provisions of codes adopted and approved under the Construction Industries Licensing Act. Such codes constitute a minimum requirement for the codes of political subdivisions.' A county or municipality may become its own code-enforcement authority (operate independently of the state Construction Industries Division field office model) if it employs a certified building official and has adopted at least the current state minimum code standards (NMSA 1978 § 60-13-41(D)-(F)). GOVERNANCE MODEL CONFIRMED: unlike some New Mexico counties that route permits through the state CID field office, Doña Ana County SELF-ADMINISTERS for all trades — Building, Electrical, Plumbing, and Mechanical alike — through its own Community Development Department / Building Services Division, headed by Sean Vick, the Doña Ana County Certified Building Official/Assistant Director (per the department's own 'Welcome to Building Services' page). The division also employs its own Certified Building Inspector (Jesse Gomez), Certified Electrical Inspectors (Riley Roman, Joel Candelaria), and Certified Plumbing/Mechanical Inspectors (Candido Jasso and David Murillo) — confirming direct county-level review and inspection for every trade, not CID field-office enforcement.; 2021 International Building Code (IBC) — per the Doña Ana County Building Services 'Building Codes' page (donaana.gov); 2021 International Residential Code (IRC) — per the Doña Ana County Building Services 'Building Codes' page; 2021 International Energy Conservation Code (IECC) — per the Doña Ana County Building Services 'Building Codes' page; the county's own Single Family Dwelling Permit Application requires a signed '2021 RESCheck' Energy Certificate, confirming the 2021 IECC edition is the one actually enforced in practice; 2021 Uniform Mechanical Code (IAPMO) — per the Doña Ana County Building Services 'Building Codes' page; 2021 Uniform Plumbing Code (IAPMO) — per the Doña Ana County Building Services 'Building Codes' page; 2021 International Existing Building Code (IEBC) — per the Doña Ana County Building Services 'Building Codes' page; 2017 ICC/ANSI A117.1 (Accessible and Usable Buildings and Facilities) — per the Doña Ana County Building Services 'Building Codes' page; 2020 National Electrical Code (NEC) — per the Doña Ana County Building Services 'Building Codes' page (this matches the current 14.10.4 NMAC statewide adoption also enforced in the City of Las Cruces; NOTE: the county's own Reroof & Reroof/Overlay Permit Requirements handout still lists an older code slate — '2015 IRC; 2015 NMRBC; 2009 Energy Conservation Code; 2015 Uniform Plumbing Code; 2015 New Mexico Plumbing Code; 2012 Swimming Pool, Spa, Hot Tub Code; 2015 Uniform Mechanical Code; 2015 New Mexico Mechanical Code; 2012 New Mexico Solar Energy Code; 2017 NEC; 2017 New Mexico Electrical Code' — this appears to be a stale, unrevised handout PDF; the county's live, currently-published Building Codes page (2021 IBC/IRC/IECC/UMC/UPC family, 2020 NEC) is treated as the authoritative current adoption for this entry); 2021 International Fire Code (IFC) — per the Doña Ana County Building Services 'Building Codes' page; 2012 Uniform Swimming Pool, Spa and Hot Tub Code — per the Doña Ana County Building Services 'Building Codes' page; Doña Ana County makes clear it cannot host these copyrighted code texts online and directs the public to review physical copies in person at the Building Services Dept., 845 N. Motel Blvd., Las Cruces, NM, or to consult the New Mexico Regulation and Licensing Department (RLD) Construction Industries Division's own current-adoption page for the statewide baseline (rld.nm.gov/construction-industries/rules-laws-and-building-codes).. Local amendments apply — see the Unincorporated Doña Ana County overview page for the full list.

The county itself. Doña Ana County adopted the 2021 International Fire Code with local amendments (DAC Code Chapter 195, § 195-3) and designates its own Fire Code Official — housed in the Fire Prevention Division of Doña Ana County Fire Rescue — to issue fire-code construction permits, including for automatic sprinkler and fire alarm systems. This mirrors the county's self-administration of building, electrical, plumbing, and mechanical permits through Building Services, but sprinkler/alarm permits are a separate department and process.

Sources & verification

Key facts verified against official sources. Last reviewed 2026-07-22.

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Unincorporated Doña Ana County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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