Noise Ordinances in Los Angeles County, CA (2026)

Los Angeles County Code § 13.45.010

13.45.010 - Loud, unnecessary and unusual noise. Notwithstanding any other provisions of this chapter and in addition thereto, it shall be unlawful for any person to wilfully make or continue, or cause to be made or continued, any loud, unnecessary, and unusual noise which disturbs the peace or quiet of any neighborhood or which causes discomfort or annoyance to any reasonable person of normal ...

Los Angeles County Code Section 12.08.440

Operating or causing the operation of any tools or equipment used in construction, drilling, repair, alteration or demolition work between weekday hours of 7:00 p.m. and 7:00 a.m., or at any time on Sundays or holidays, such that the sound therefrom creates a noise disturbance across a residential or commercial real-property line, except for emergency work of public service utilities or by vari...

Los Angeles County Code § 10.40.060

It is unlawful for an owner or custodian of an animal to allow the animal to emit any excessive noise after the Department has issued a written warning notice of an excessive noise complaint. For purposes of this section, the term 'excessive noise' means a noise that is unreasonably annoying, disturbing, offensive, or that unreasonably interferes with the comfortable enjoyment of life or property.

AB-1346 / Cal. Health & Safety Code § 43018.11 - Small Off-Road Engine Phase-Out

(a) (1) By July 1, 2022, the state board shall, consistent with federal law, adopt cost-effective and technologically feasible regulations to prohibit engine exhaust and evaporative emissions from new small off-road engines, as defined by the state board. Those regulations shall apply to engines produced on or after January 1, 2024, or as soon as the state board determines is feasible, whicheve...

Los Angeles County Code § 7.60.030

Every person conducting, managing or carrying on an outdoor festival shall first procure a license and pay a fee in the amount set forth in Section 7.14.010 of this title, under the appropriate heading.

Los Angeles County Code § 22.76.030

Proposed construction, additions, alterations, improvements and repairs requiring a building permit within the 65 decibel CNEL and above noise zones depicted on the most recent Quarterly Report Noise Contour Map, shall comply with such building requirements as may be specified for these zones in Title 26 (Building Code) of the County Code. No building permit shall be issued within these zones u...

County Code § 22.336.070.L

L.Noise.1.The daytime exterior noise level shall not exceed 43 dBA at a L90 measurement in any hour from 8:00 a.m. until 8:00 p.m. The nighttime exterior noise level shall not exceed 38 dBA at a L90 measurement in any hour from 8:00 p.m. until 8:00 a.m. Noise levels are considered a nuisance when they exceed these ambient noise levels when measured from the property line closest to the nearest ...

Los Angeles County Code §§ 7.78.190, 7.78.030

7.78.190 - Sound vehicles—Times and locations when operation prohibited. A person shall not drive, operate or propel any sound vehicle with the sound-making device, sound-amplifying device, loudspeaker thereof, or any part thereof, in operation: A. Within 300 feet of any hospital, school, church or other place of religious worship; B. Upon any public highway or in the air between the hours of 4...