Florissant, MO Noise Ordinances: Construction Hours (2026)
Construction hours in Florissant, MO, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Governing section
- § 210.750(B)(10)
- Mon-Sat hours
- 7:00 A.M. to 8:00 P.M.
- Sunday hours
- 9:00 A.M. to 8:00 P.M.
- Exception
- Emergency work by government/public utilities
- Penalty
- Up to $1,000 fine / 3 months jail (§ 100.080)
Summary
Florissant limits noisy exterior construction, demolition, alteration or repair work to 7:00 A.M.-8:00 P.M. Monday through Saturday and 9:00 A.M.-8:00 P.M. on Sunday, with an exception for emergency work by governmental authorities or public utilities.
Construction and repair work. The exterior construction, demolition, alteration or repair of buildings involving the operation of machinery or equipment which causes loud or disturbing noise except between the hours of 7:00 A.M. and 8:00 P.M. on Monday through Saturday and between 9:00 A.M. and 8:00 P.M. on Sunday and except for activities by governmental authorities or public utilities when the activities are in response to emergencies or otherwise in the interest of public health and safety.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4989395; v43 updated 2026-05-26; through 05-26-2026).
Full Breakdown
750(B)(10) of the Florissant Code of Ordinances, part of the Noises Prohibited Generally ordinance adopted by Ord. No. 6274 on July 12, 1999, addresses construction and repair noise directly. M. on Sunday. Work by governmental authorities or public utilities is exempted from the hours restriction when the activity is in response to an emergency or is otherwise in the interest of public health and safety, so a burst water main or storm-damage repair crew is not confined to the standard window. 750, including volume, duration, proximity to residential sleeping areas and whether the noise is recurrent or intermittent.
080: a fine of up to $1,000, imprisonment in the City or County Jail for up to three months, or both, with each day of noncompliance treated as a separate offense.
Violations & Fines
Running noisy construction, demolition or repair machinery outside the permitted 7 A.M.-8 P.M. weekday/9 A.M.-8 P.M. Sunday window violates Section 210.750(B)(10). With no dedicated penalty in the noise chapter, Section 100.080's general penalty applies: up to $1,000 and up to three months in jail, per day of violation.
Frequently Asked Questions
What are the legal construction hours in Florissant?
Is there an exception to Florissant's construction noise hours?
What happens if a contractor works outside permitted hours in Florissant?
Sources & Official References
Other rules in Florissant
How Florissant compares: Cities with the Strictest Construction Hours·Compare Florissant to another location·View the Missouri noise ordinances overview
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