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Louisville, KY Noise Ordinances: Vehicle Noise (2026)

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

Key Facts

Governing law
Louisville Metro Code § 99.02
Audibility standard
Plainly audible at 50 feet
First-offense fine
$100 to $250
Enforcement
Code Enforcement Board, civil offense
Escalation
Up to $1,000 by third offense

Summary

Louisville Metro bans loud car stereos, defective mufflers, and unnecessary horn use that create unreasonably loud, harsh, or excessive noise disturbing others.

(2) The use or operation of any radio, stereo, or other machine or device for the producing, reproducing or amplification of sound in any vehicle in such a manner as to create an unreasonably loud, harsh, or excessive noise, that disturbs the peace, quiet or comfort of others; ... (4) The use or operation of any vehicle in such manner as to produce any unreasonably loud, harsh or excessive noise, or to discharge into the open air the exhaust of any vehicle except through a muffler or other device which will effectively prevent any unreasonably loud, harsh or excessive noises therefrom

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-47: Supplement contains: Local legislation current through Ordinances passed by the Council and approved by the Mayor as of July 1, 2026).

Full Breakdown

Louisville Metro Code § 99.02(B) singles out car stereos played loud enough to disturb the peace, exhaust discharged without an effective muffler, unnecessary horn honking beyond a danger warning, and mechanical loudspeakers or sound systems run on moving or parked vehicles for advertising or entertainment. "Unreasonably loud, harsh, or excessive" noise is defined in § 99.01 as any manufactured noise plainly audible 50 feet from its source. The Code Enforcement Board handles violations as civil offenses under § 99.99.

Violations & Fines

First offense within two years: $100-$250 civil fine. Second offense: $250-$500. Third offense: $500-$1,000. Each day of a continuing violation counts as a separate offense.

Frequently Asked Questions

Is a loud car stereo illegal in Louisville?
Yes. Section 99.02(B)(2) bans operating a vehicle stereo loud enough to create unreasonably loud, harsh, or excessive noise that disturbs others' peace or comfort.
What counts as an illegal exhaust or muffler in Louisville Metro?
Discharging exhaust without a muffler or device that effectively prevents unreasonably loud, harsh, or excessive noise violates § 99.02(B)(4).
How much is the fine for a noisy vehicle in Louisville?
$100-$250 for a first offense in a two-year period, rising to $250-$500 for a second and $500-$1,000 for a third, per § 99.99(B).

Sources & Official References

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All Louisville rules

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