Columbia, MO Building Safety: Fire Sprinkler Requirements (2026)

R313.1 Townhouse automatic fire sprinkler systems. Delete in its entirety.

R313.2 One- and two-family dwelling automatic fire sprinkler systems. Delete in its entirety.

R313.3 Automatic fire sprinkler systems. A builder of a single-family dwelling or residences or multi-unit dwellings of four (4) or fewer units shall offer to any purchaser, on or before the time of entering into the purchase contract, the option at the purchaser's cost to install or equip an automatic fire sprinkler system in the dwelling, residence or unit. Notwithstanding any other provision of law to the contrary, no purchaser of such a single-family dwelling, residence, or multi-unit dwelling shall be denied the right to choose or decline to install an automatic fire sprinkler system in such dwelling or residence being purchased by any code, ordinance, rule, regulation, order or resolution by any county or other political subdivision. Pursuant to RSMo. § 67.281, the mandatory option for purchasers to have the right to choose and the requirement that the builders offer to purchasers the option to purchase an automatic fire sprinkler system in connection with the purchase of any single-family dwelling, residence, or multi-unit dwelling of four (4) or fewer units is hereby incorporated into the code.

R314.4 Interconnection. At the end of the section add:

Exception: In alterations, smoke alarms shall not be required to be interconnected if the dwelling is no more than two (2) stories.