Parker, TX Building Safety: Fire Sprinkler Requirements (2026)

36 requires an automatic sprinkler system, built to the codes and standards the section references, in any residential unit with living space over 5,250 square feet if the building permit was issued and the home constructed after the section took effect. The threshold changed over time as the city phased the rule in: homes on lots platted or permitted before June 24, 2003 trigger the requirement at 6,000 square feet of living space; homes with permits issued between June 24, 2003 and September 13, 2005 trigger it at 4,500 square feet; and homes on lots platted or permitted on or after September 13, 2005 trigger it at the current 5,250-square-foot threshold.

The code defines PLATTED as City Council approval of a preliminary plat, and defines BUILDING PERMIT to include permits for residential structures on both platted and unplatted lots, as well as non-agricultural structures in areas zoned Special Activities. The living-space calculation excludes non-air-conditioned areas such as garage space, so only conditioned square footage counts toward the threshold. Existing homes built before the sprinkler rule took effect are not automatically required to retrofit, but if a lawful addition pushes the home's living space over 6,000 square feet, the entire home must then install sprinklers throughout. The code also exempts residences that already have adequate fire flow under Table No. A-III-A-I of the 1997 Uniform Fire Code.