1 county-level rule, plus city-specific rules for 1 city in Harris County, Texas.
Verified from official government sources
Texas Local Government Code section 233.153 prohibits Harris County from requiring residential fire sprinklers in new one or two-family homes. The Harris County Fire Marshal applies the International Fire Code to commercial and multifamily buildings of three or more units in unincorporated areas, where sprinklers may be mandatory.
Texas Local Government Code Sec. 233.062 (County Fire Code — Application to Commercial, Public, and Multifamily Buildings)
Sec. 233.062. APPLICATION AND CONTENT OF FIRE CODE. (a) The fire code applies only to the following buildings constructed in an unincorporated area of the county: (1) a commercial establishment; (2) a public building; and (3) a multifamily residential dwelling consisting of four or more units. (b) The fire code does not apply to an industrial facility having a fire brigade that conforms to requ...
1 cities in Harris County have their own building safety rules. Each link goes to that city's dedicated page with code citations.
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