Noise from Specific Sources in Los Angeles, CA (2026)
5 verified noise from specific sources rules for Los Angeles, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Air conditioning, refrigeration, heating, and pool-pumping or filtering equipment may not raise noise at any neighboring occupied property or adjoining unit by more than 5 dB(A) above the ambient level. The rule applies in all zones citywide.
Noise Sources: Hvac Equipment
Some RestrictionsLAMC § 112.02
SEC. 112.02. AIR CONDITIONING, REFRIGERATION, HEATING, PUMPING, FILTERING EQUIPMENT. (Amended by Ord. No. 156,363, Eff. 3/29/82.) (a) It shall be unlawful for any person, within any zone of the city to operate any air conditioning, refrigeration or heating equipment for any residence or other structure or to operate any pumping, filtering or heating equipment for any pool or reservoir in su...
Bar & Nightclub Noise
Any permit-required place of public amusement that uses sound amplification must soundproof its premises if the Board of Police Commissioners determines its music or noise is depriving nearby residents of the reasonable enjoyment of their property. The Board may suspend the permit until effective soundproofing is in place.
Noise Sources: Bar Nightclub Noise
Some RestrictionsLos Angeles Municipal Code (LAMC) § 103.120 (source: https://codelibrary.amlegal.com/codes/losangeles/latest/losangeles_ca/0-0-0-1)
SEC. 103.120. SOUNDPROOFING OF PLACES OF AMUSEMENT – WHEN REQUIRED. (a) Places of Amusement Included. This section applies to any place of public amusement or recreation for the operation of which a permit from the Board of Police Commissioners is required by this Code and in connection with which any loudspeaking system or public address system is used, or any other method of amplifying mus...
Car Alarm Limits
Vehicle theft alarm systems must automatically and completely silence within 5 minutes of the first audible sound. Audible status indicators, including arm/disarm chirps, are limited to 1 minute of total sound.
Noise Sources: Car Alarms
Some RestrictionsLAMC §§ 114.06, 114.07
SEC. 114.06. VEHICLE THEFT ALARM SYSTEMS. It shall be unlawful for any person to install, operate or use any vehicle theft alarm system that emits or causes the emission of an audible sound, which is not, or does not become, automatically and completely silenced within five minutes. The time period shall be calculated based upon the emission of the first audible sound and shall end five min...
Generator Noise
Los Angeles bars running a generator or other machinery between 10 p.m. and 7 a.m. within a residential zone or within 500 feet of one under LAMC § 112.04(a), and layers a citywide, round-the-clock ambient-noise-plus-five-decibel ceiling under § 112.04(b), with narrow carve-outs for emergency work, aircraft, and state-regulated vehicles.
Los Angeles Portable Generator Noise Curfew
Some RestrictionsLos Angeles Municipal Code (LAMC) § 112.04(a), (b)
(a) Between the hours of 10:00 p.m and. 7:00 a.m. of the following day, no person shall operate any lawn mower, backpack blower, lawn edger, riding tractor, or any other machinery, equipment, or other mechanical or electrical device, or any hand tool which creates a loud, raucous or impulsive sound, within any residential zone or within 500 feet of a residence. (b) ... no person shall operate o...
Delivery Truck Noise
Los Angeles bans loading or unloading vehicles, or running dollies, carts, and forklifts, with impulsive or raucous noise within 200 feet of a residential building between 10 p.m. and 7 a.m. under LAMC § 114.03(a), though a Department of Transportation permit can extend hours to 6 a.m.-11 p.m. inside one mapped downtown-area zone.
Los Angeles Delivery Truck Loading Noise Curfew
Some RestrictionsLos Angeles Municipal Code (LAMC) § 114.03(a), (b)
(a) It shall be unlawful for any person, between the hours of 10:00 p.m. and 7:00 a.m. of the following day, to load or unload any vehicle, or operate any dollies, carts, forklifts, or other wheeled equipment, which causes any impulsive sound, raucous or unnecessary noise within 200 feet of any residential building. (b) Irrespective of the provisions of Subsection (a), loading or unloading of v...
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County ordinances apply to unincorporated areas and may supplement Los Angeles city rules.
Noise from Specific Sources in Los Angeles County →