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O'Fallon, MO Fire Regulations: Fireworks (2026)

Significant Restrictions

Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Legal use window: July 3-4, noon to 11 p.m.
Age without adult supervision: Must be 16 or older
Retail sale window: June 20 through July 6
Display permit issuer: Mayor or City Administrator
Default penalty: Up to $500 fine / 3 months jail

Summary

O'Fallon confines lawful fireworks use to private property, with the owner's consent, on July 3 or 4 between noon and 11:00 p.m.; anyone under 16 must be supervised the whole time by an adult at least 21. Retail sale runs only June 20 through July 6 each year under Section 215.690.

...shall be unlawful for any person under the age of sixteen (16) to set off, use, burn, explode or fire off any firecrackers, fireworks, torpedoes, bombs, rockets, pinwheels, fire balloons, Roman candles, toy cannons, toy pistols or other fireworks of a like kind, including, but not limited to, common fireworks and special fireworks within the City limits of the City of O'Fallon, Missouri, except on private property with the consent of the owner thereof on July 3 or 4, between the hours of 12:00 Noon and 11:00 P.M. and while in the company of and subject to the constant supervision of a responsible adult at least twenty-one (21) years of age. ... It shall be unlawful for any person, organization or business to display, sell, offer for sale or distribute at retail any firecrackers, fireworks... within the City limits of the City of O'Fallon, Missouri, before June 20 or after July 6.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4860992; v58 updated 2026-05-14; through 05-14-2026).

Full Breakdown

690 defines 'common fireworks' as Class C explosive devices containing no more than two grains (130 mg) of explosive composition in aerial items, or fifty milligrams in ground items, and 'special fireworks' as the larger Class B devices used for public displays. 690(B), amended by Ord. No. 6868 in 2022). 690(C)). m. 690(D)). 690(E)). 285(10).

Violations & Fines

Section 215.690 sets no stand-alone fine, so a violation defaults to the City's general penalty in Section 100.010: a fine of up to $500.00, up to three months in the St. Charles County Jail, or both, with each day a violation continues counted as a separate offense. A retailer or manufacturer operating outside its permit also risks license suspension or revocation under the nuisance-abatement authority in Section 220.080.

Frequently Asked Questions

When can I legally shoot off fireworks in O'Fallon?

Fireworks may be set off only on private property with the owner's consent, on July 3 or July 4, between 12:00 noon and 11:00 p.m. Anyone under 16 must be supervised the entire time by a responsible adult at least 21 years old, under Section 215.690(B) and (C).

Can I buy fireworks anywhere in O'Fallon?

Retail sale is limited to June 20 through July 6 each year under Section 215.690(F), and a stand needs a temporary fireworks-stand permit from the Planning and Development Department in a C-1, C-2, C-3, I-1, or I-2 zoning district.

Does O'Fallon allow fireworks displays outside the July 3-4 window?

Yes, with a permit. The Mayor or City Administrator may authorize public displays in parks, streets, culs-de-sac, or other public places, but they must end by 10:00 p.m. Sunday through Thursday or by 11:00 p.m. on Friday, Saturday, or July 3-4, under Section 215.690(D).

What is the penalty for illegal fireworks use in O'Fallon?

Section 215.690 carries no fine of its own, so a violation falls under the City's general penalty, Section 100.010: a fine of up to $500.00, up to three months in jail, or both, with each continuing day treated as a new offense.

Sources & Official References

[1]O'Fallon, MO Municipal Code § 215.690 (eCode360)

Other rules in O'Fallon

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All O'Fallon rules

How O'Fallon compares: Cities Where Fireworks Are Banned or Heavily Restricted·Compare O'Fallon to another location·View the Missouri fire regulations overview

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