Las Vegas requires NFPA 13D fire sprinklers in new one- and two-family homes built since 2012, with full NFPA 13 systems in townhomes, apartments, and high-rises and inspections by Las Vegas Fire and Rescue.
City of Las Vegas adopted the International Residential Code with the residential-sprinkler amendment retained, so most one- and two-family homes permitted after 2012 must install NFPA 13D systems. Townhomes, apartments, hotels, and Strip-adjacent high-rises follow NFPA 13 or 13R based on occupancy, with the State Fire Marshal supervising larger projects under NRS 477. Permits are pulled through the Department of Building and Safety, and Las Vegas Fire and Rescue conducts hydrostatic and final inspections. Existing homes generally are not retrofitted, but additions over 50 percent valuation may trigger sprinkler upgrades. Backflow preventers tie into LVVWD water service.
Stop-work orders on construction without sprinklers, denial of certificate of occupancy, fines per inspection failure, and post-occupancy mandates plus possible insurance impacts.
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