East Baton Rouge Parish, LA Noise Ordinances: Vehicle Noise (2026)
Key Facts
- Sound-system limit
- 85 dB beyond 25 feet
- Where measured
- Public street, highway, park
- Exhaust
- Muffler required, Sec. 12:101(8)
- Horns
- Danger signal only
- Penalty
- $200-$500 or 30 days
Summary
East Baton Rouge Parish prohibits vehicle sound systems that exceed 85 decibels audible more than 25 feet away on a public street, highway or park. Defective or loud exhaust, horns and mufflers are also regulated under Sec. 12:101.
The use of any automobile, motorcycle, bus, streetcar, bus, or vehicle so out of repair or so loaded, which emits or creates loud grating, grinding, or rattling noise.
(8) The blowing of any steam whistle attached to any stationary boiler, except to give notice of the time to begin or stop work or as a warning of danger.
(9) The discharge into the open air of the exhaust of any stationary steam engine, stationary internal combustion engine, or motor boat engine, except through a muffler or other device which will effectively and efficiently prevent loud noises.
(10) The discharge into the open air of the exhaust from any motor vehicle except through a muffler, or other device, which will effectively and efficiently prevent loud and raucous noises.
(11) The creation of loud and raucous noise by construction work in or adjacent to a residential area other than between the hours of 7:00 a.m. and sunset on weekdays and Saturdays, except in the case of urgent necessity in the interest of public safety for which permission must be obtained from the director of public works. Construction work includes, but is not limited to, the erection, excavation, demolition, alteration, or repair of any building.
(12) The creation of loud and raucous noise on any street adjacent to any school or court which is in session or adjacent to any hospital; provided, that conspicuous signs are located in such streets indicating that schools, hospitals, and courts are adjacent thereto.
(13)
Full Breakdown
Vehicle noise is addressed in Title 12, Chapter 2. Sec. 12:101(3) bars playing sound from a vehicle that disturbs residences, other vehicles or the public, and the current code applies an 85-decibel threshold measured beyond 25 feet on public streets, highways and parks (Baton Rouge Police use calibrated decibel meters). Related provisions ban unnecessary horn or signal use except as a danger signal (subsection 4), vehicles so out of repair they grate, grind or rattle (subsection 5), and exhaust not routed through an effective muffler (subsection 8). Sec. 12:102 bars sirens and exhaust whistles except on emergency vehicles.
Violations & Fines
Misdemeanor under Sec. 12:104: $200-$500 fine, up to 30 days jail, or both. State law also governs mufflers (R.S. 32:352).
Frequently Asked Questions
How loud can a car stereo be in Baton Rouge?
Are loud exhausts illegal?
Sources & Official References
Other rules in East Baton Rouge Parish
Compare East Baton Rouge Parish to another location·View the Louisiana noise ordinances overview
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