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…

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

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

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…

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

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…

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

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…

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

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

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…

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

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…