Noise from Specific Sources in Florissant, MO (2026)
5 verified noise from specific sources rules for Florissant, Missouri, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Florissant's noise ordinance bans operating a noise-creating blower, power fan or internal combustion engine that causes noise from exploding operating gases or fluids unless the noise is muffled with a device sufficient to deaden it. The rule reaches loud rooftop or ground-mounted HVAC and ventilation equipment and carries the Chapter 210 general penalty.
Florissant Requires Muffled Blowers and Power Fans
Some RestrictionsFlorissant Code of Ordinances § 210.750(A), (B)(16)
It shall be unlawful for any person to willfully make or continue or cause to be made or continued any loud, unnecessary or unusual noise which disturbs the neighborhood peace, comfort or repose of persons. ... Blowers. ... The operation of any noise-creating blower and power fan or any internal combustion engine, the operation of which causes noise due to the explosion of operating gases or fl...
Car Alarm Limits
Florissant's noise ordinance bans sounding any vehicle horn or signaling device, including a car alarm, for an unreasonable period of time or with unreasonably loud or harsh sound on any City street or public place. Horns are allowed only as a genuine danger warning or during an approved parade; violators face the City's general penalty of up to a $1,000 fine or three months in jail.
Florissant Curbs Excessive Car Alarm and Horn Noise
Some RestrictionsFlorissant Code of Ordinances § 210.750(A), (B)(1)
It shall be unlawful for any person to willfully make or continue or cause to be made or continued any loud, unnecessary or unusual noise which disturbs the neighborhood peace, comfort or repose of persons. ... Horns, signaling devices, etc. The sounding of any horn or signaling device on any automobile, motorcycle or other vehicle on any street or public place in the City except as a danger wa...
Generator Noise
Florissant's noise ordinance bans discharging the exhaust of a stationary internal combustion engine, such as a portable generator, into the open air unless it passes through a muffler or similar device that effectively prevents loud or explosive noise. The rule sits inside the City's general loud-noise prohibition and carries the Chapter 210 penalty for violations.
Florissant Requires Mufflers on Generator Exhaust Noise
Some RestrictionsFlorissant Code of Ordinances § 210.750(A), (B)(7)
It shall be unlawful for any person to willfully make or continue or cause to be made or continued any loud, unnecessary or unusual noise which disturbs the neighborhood peace, comfort or repose of persons. ... Exhaust. ... The discharge into the open air of the exhaust of any steam engine, stationary internal combustion engine, motorboat or motor vehicle except through a muffler or other devic...
Delivery Truck Noise
Florissant's noise ordinance separately bans loud and excessive noise from loading or unloading vehicles and from opening or destroying bales, boxes, crates and containers, a rule that reaches early-morning delivery trucks. A related Section also lets shopping centers post hours during which delivery trucks may not arrive, idle or unload. Violators face the City's general fine and jail penalty.
Florissant Limits Noisy Delivery Truck Loading
Some RestrictionsFlorissant Code of Ordinances § 210.750(A), (B)(9)
It shall be unlawful for any person to willfully make or continue or cause to be made or continued any loud, unnecessary or unusual noise which disturbs the neighborhood peace, comfort or repose of persons. ... Loading, unloading, opening boxes. The creation of a loud and excessive noise in connection with loading or unloading any vehicle or the opening and destruction of bales, boxes, crates a...
Low-Frequency Bass Limits
Florissant bans operating a radio, television, phonograph or other sound device so loudly it disturbs neighbors, and between 11:00 P.M. and 7:00 A.M. treats audibility fifty feet from the source as automatic proof of a violation. The rule covers loud bass from car and home stereos alike and carries the City's general Chapter 210 penalty.
Florissant Sets Nighttime Limit on Loud Stereo Bass
Some RestrictionsFlorissant Code of Ordinances § 210.750(A), (B)(2)
It shall be unlawful for any person to willfully make or continue or cause to be made or continued any loud, unnecessary or unusual noise which disturbs the neighborhood peace, comfort or repose of persons. ... Radios, televisions, phonographs, etc. The using, operating or permitting to be played, used or operated any radio receiving set, television set, musical instrument, phonograph or other ...
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County ordinances apply to unincorporated areas and may supplement Florissant city rules.
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