Fire Regulations in St. Louis, MO (2026)
4 verified fire regulations for St. Louis, Missouri, sourced directly from the municipal code and official government pages.
Verified from official government sources
Fire Pits & Backyard Fires
St. Louis caps recreational fires at 30 inches wide and 18 inches tall, 12 feet from any structure, out by 11 p.m.
St. Louis Recreational Fire Rules
Some RestrictionsSt. Louis Revised Code § 11.110.020
Recreational fires may not be located within twelve (12) feet of any structure, including a fence or deck... Recreational fires must be extinguished within four (4) hours following ignition, and in no case will a fire be allowed to burn later than 11:00 pm... Recreational fires are not permitted if winds are greater than fifteen (15) miles per hour.
Fireworks
St. Louis bans possessing, selling, or setting off fireworks of any kind within city limits, with no exception for sparklers; violators face fines up to $500 and jail time.
St. Louis Fireworks Ban
Heavy RestrictionsSt. Louis Revised Code § 15.82.030
No person or entity shall possess, store, sell, expose, post for sale, transfer to another, use, explode, discharge, set off, or burn fireworks of any kind or description within the limits of the City of St. Louis.
Outdoor Burning
St. Louis bans open burning of refuse, trade waste, leaves, grass and other vegetation citywide, but exempts small recreational fires and contained fires using untreated wood, charcoal, propane or natural gas for warmth.
St. Louis Open Burning Restrictions
Significant RestrictionsSt. Louis Revised Code § 11.34.130
A. No person shall cause, suffer, allow or permit the open burning of refuse. ... D. No person shall cause or permit the open burning of leaves, trees or the byproducts therefrom, grass, or other vegetation. ... F.6. Recreational fires and fires in proper containers for occupational warmth using only untreated wood, charcoal, propane or natural gas as fuel.
Smoke Detectors
St. Louis dwelling owners must install smoke detectors in every sleeping area and stairwell, test common-area units, and never disable a battery.
St. Louis Smoke Detector Rules
Some RestrictionsSt. Louis Revised Code §§ 25.52.040, 25.52.080
The owner of each existing dwelling or newly constructed or rehabilitated unit shall install at least one (1) smoke detector to protect each sleeping area... with not less than one detector per level containing a habitable room and in the basement or cellar... It shall be unlawful for any person to remove batteries or in any way make smoke detectors inoperable.