Livermore, CA Building Safety: Fire Sprinkler Requirements (2026)

2 and replaces it entirely. Item 1 requires automatic fire extinguishing systems in all new buildings and structures, including any detached or attached structure added to a parcel already containing sprinkler-protected buildings, with narrow exceptions for detached accessory (U Occupancy) structures other than trash enclosures under 400 square feet, compliant noncombustible trash enclosures meeting size and setback conditions, and photovoltaic arrays that only cover parking stalls. Item 2 requires existing commercial or industrial buildings without sprinklers to add them when a modification increases total floor area by 50 percent or more or pushes the building's total floor area past 8,000 square feet, or when an occupancy change increases fire or life-safety risk, subject to a carve-out for public assembly space of 150 occupants or fewer in a single-story building.

Item 3 requires existing residential buildings without sprinklers to add them when a modification increases the original approved floor area by 50 percent or more, or when a new attached or detached garage is added. 230 layers additional NFPA 13D requirements onto one- and two-family dwellings, townhouses and Group R-3/R-4 Condition 1 buildings: intermediate temperature-rated residential sprinklers in attics on 30-foot by 30-foot centers within 15 feet of exterior walls, intermediate-rated quick-response garage sprinklers covering a maximum of 130 square feet each, and coverage in any under-stair bathroom or closet regardless of size. 220 separately requires NFPA 13R buildings to sprinkler all attic areas.