St. Louis, MO Fire Regulations: Fire Pits & Backyard Fires (2026)
Fire pit rules in St. Louis, MO, also called outdoor burning, recreational fire, or open flame ordinances, cover fuel types, clearances, and when burning is allowed.
Key Facts
- Max fuel area
- 30 in. diameter, 18 in. high
- Structure setback
- 12 feet minimum
- Burn curfew
- Out by 11:00 p.m.
- Wind limit
- Prohibited above 15 mph
- Attendant age
- 16 or older, must watch fire
Summary
St. Louis caps recreational fires at 30 inches wide and 18 inches tall, 12 feet from any structure, out by 11 p.m.
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.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 11).
Full Breakdown
City code defines a recreational fire as an outdoor fire not in an incinerator, fireplace, portable fireplace, or grill, with a fuel area no more than 30 inches in diameter and 18 inches high, burning clean fuel (not refuse, treated wood, or logs over 4 inches). It must sit at least 12 feet from any structure, fence, or deck, be watched by someone at least 16 years old, and carry an extinguishing tool (extinguisher, hose, or bucket) within 15 feet. Fires must be out within 4 hours and never burn past 11:00 p.m., and are barred entirely when wind exceeds 15 mph or when smoke becomes a nuisance.
Violations & Fines
Violating any recreational-fire rule is punishable by a fine of $100 to $500, up to 90 days imprisonment, or both.
Frequently Asked Questions
How close to my house can I put a fire pit in St. Louis?
How late can I keep a recreational fire burning?
Sources & Official References
Other rules in St. Louis
How St. Louis compares: Cities with the Strictest Fire Pit Rules·Compare St. Louis to another location·View the Missouri fire regulations overview
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