Noise from Specific Sources in Louisiana (2026)

Jefferson Parish zoning sets exact placement rules for air conditioning units, generators and other mechanical…

Lafayette treats HVAC units, refrigeration equipment, and transformers as 'steady pure tone' noise sources under…

Residential AC and HVAC units in Lafayette Parish are capped at 55 dB(A) at night, and steady-tone HVAC noise gets a…

New Orleans bars stationary air conditioners, air-handling equipment, fans or similar machinery from exceeding Table…

In unincorporated Vermilion Parish, residential heating, ventilating or air conditioning units cannot exceed 55 dB(A)…

Unincorporated Tangipahoa Parish's sound control ordinance exempts air conditioners, heat pumps, heating units and…

In the City of Gretna, a bar or nightclub's live-entertainment permit can be revoked if the city council finds, after a…

Commercial enterprises in the Vieux Carré Historic and Central Business Districts must keep loudspeakers inside the…

Bossier City caps sound from amplifying equipment, the systems bars and nightclubs use for music and PA announcements…

Baton Rouge bars, nightclubs and other commercial property can't emit noise louder than 75 decibels between 11:00 p.m…

Bars, nightclubs and holding bars inside the Fat City Mixed-Use district (FC-1, FC-2, FC-3) near Metairie's Lakeside…

Bars and nightclubs in Lafayette Parish can't push amplified music more than 3 dB(C) above ambient at night, or 5 dB(C)…

Rapides Parish Code § 19-53 bars any business or public place from running radios, loudspeakers or amplifying devices…

Shreveport gives permitted bars, clubs and restaurants their own decibel ceiling instead of the standard…

Bossier City's unnecessary-noise ordinance bans sounding any vehicle horn or signal device except when reasonably…

Gretna treats a motor vehicle alarm as an 'alarm' under section 24-128 and bars anyone from intentionally sounding one…

Jefferson Parish's noise code treats a car alarm as an "alarm" under Sec. 20-102(b), and bars intentionally sounding…

In the City of Kenner, sounding a vehicle horn or signaling device, including a car alarm, for an unreasonable period…

Lafayette requires exterior burglar and fire alarms on both buildings and motor vehicles to self-terminate under…

Car and building burglar or fire alarms in Lafayette Parish must automatically shut off within five minutes of…

Rapides Parish's noise ordinance treats a car alarm or horn the same way: Sec. 19-52(b)(1) bans sounding any horn or…

In unincorporated Vermilion Parish, an exterior burglar or fire alarm on a building or motor vehicle must be wired to…

A car alarm, or any exterior burglar or fire alarm, in unincorporated Bossier Parish must shut off within 15 minutes of…

Bossier City's noise ordinance requires an effective muffler on any stationary internal combustion engine, covering…

Stationary internal combustion engines, including backup generators, must discharge through a muffler or equivalent…

Jefferson Parish exempts generator noise from its normal decibel table under Sec. 20-102(g)(9) whenever the generator…

In the City of Kenner, running an internal combustion engine, including a portable or standby generator, without a…

Generators count as ordinary sound sources under Lafayette's noise code: their output at the property line can't top 60…

Unincorporated Tangipahoa Parish bans unmuffled exhaust noise from any stationary internal combustion engine, including…

In unincorporated Vermilion Parish, generator noise is exempt from the Police Jury's noise standards only during a…

Bossier City treats loud loading and unloading noise as a form of unnecessary noise under its noise ordinance. Sec…

In unincorporated Bossier Parish, loud or excessive noise from loading or unloading a vehicle, or from opening and…

Gretna bars loading or unloading a delivery truck at any shopping center between 10:00 p.m. and 7:00 a.m. under section…

Jefferson Parish bars loading or unloading a delivery truck between 10:00 p.m. and 7:00 a.m. within 300 feet of a…

In the City of Kenner, creating loud or excessive noise while loading or unloading a vehicle, or while opening and…

Lafayette bars commercial trucks from running refrigeration units within 250 feet of residential property overnight…

Lafayette bans running a commercial truck's refrigeration unit within 250 feet of residential property between 10 p.m…

Shreveport doesn't give delivery and pick-up trucks their own noise rule; Sec. 58-28(a) folds them into the general…

In unincorporated Tangipahoa Parish, noise from normal business activity, including delivery and waste-hauling trucks…

In unincorporated Vermilion Parish, a commercial truck cannot run its refrigeration unit within 250 feet of any…

Unincorporated Bossier Parish caps low-frequency outdoor sound, the deep bass measured in the 31.5 and 63 Hz octave…

In the City of Kenner, no motor vehicle operator or passenger may run a sound amplification system audible outside the…

Lafayette lets its noise control officer measure rhythmic bass from an amplified sound system inside a complainant's…

Lafayette's noise code caps rhythmic bass measured inside a neighbor's home at 3 dB(C) above ambient on weeknights and…

New Orleans caps amplified music, radios and similar sound devices at an average of 80 decibels measured 50 feet from…

In unincorporated Vermilion Parish, amplified bass is measured inside the complainant's home with a C-weighted meter…