How Florissant Handles Noise Ordinances: A Practical Guide

Florissant maintains 29 local ordinances across all categories, and 4 of those deal specifically with noise ordinances. Here is a breakdown of what the city actually requires, what is prohibited, and where Florissant falls on the strict-to-permissive spectrum compared to other cities.

Construction Hours

Florissant's general noise ordinance (§210.750) sets a de facto start time of 7:00 a.m. for activities that could disturb neighbors. No separate specific construction-hours ordinance was identified. Loud construction before 7:00 a.m. would likely violate the general noise prohibition.

Key details: Code: §210.750 (general noise prohibition). Practical Hours: 7:00 a.m. to sunset. Standard: No loud noise disturbing neighbors. Enforcement: Florissant Police or Code Enforcement.

First offense: $100 to $500. Stop-work orders for egregious violations. Repeat: up to $1,000.

Amplified Music & Events

Florissant regulates amplified music under the general noise ordinance. Sound amplification permits available for events. MO Rev. Stat. §574.010 applies.

Key details: Permit: Required for public events. Residential: General limits apply. State Law: MO Rev. Stat. §574.010. Topic: Amplified Music.

Noise violation: $100 to $500. Unpermitted event: $500+. Peace disturbance: Class B misdemeanor up to $500.

Quiet Hours

Florissant City Code §210.750 prohibits loud, unnecessary, or unusual noise that disturbs neighborhood peace. Operating radios, TVs, or music devices between 11:00 p.m. and 7:00 a.m. that are plainly audible at 50 feet from the building is prima facie evidence of a violation.

Key details: Quiet Hours: 11:00 p.m.–7:00 a.m.. Code: §210.750 Offenses Concerning Public Peace. Audibility Standard: 50 feet from building — prima facie violation. Fine: Per §100.080; each day separate offense.

Fines per §100.080; each continuing day is a separate offense.

Barking Dogs

Florissant Code §205.065 prohibits keeping animals that cause loud noises. Dogs creating persistent barking noise that disturbs neighbors may be cited under §205.065 (animals) and §210.750 (noise). Animal Control: 314-615-0650.

Key details: Code: §205.065 (animals) + §210.750 (noise). Standard: Animals causing loud noises prohibited. Animal Control: 314-615-0650. Police Non-Emergency: 636-529-8210.

Warning first. Nuisance finding: $100 to $500. Daily fines for non-compliance. Court-ordered remediation possible.

The Bottom Line

Florissant's noise ordinances rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Florissant is broadly strict or permissive.

Keep in mind that Florissant can amend these rules at any council meeting. For the most current version of any rule mentioned here, check the specific ordinance page, where we track updates as they happen.