What is the residential decibel limit in Los Angeles, CA?

Daytime limit: Not to exceed ambient by more than 5 dBA (presumed ambient: 50 dBA). Nighttime limit: Not to exceed ambient by more than 5 dBA (presumed ambient: 40 dBA). The ordinance focuses on noise exceeding ambient levels by 5 dBA. Powered equipment/hand tools in residential zones are limited to 75 dBA at 50 feet between 7 AM and 10 PM.

Who do I call for a noise complaint in Los Angeles, CA?

For non-emergencies, contact the police at 1-877-275-5273 (1-877-ASK-LAPD). For code violations, contact Code Enforcement at 888-524-2845 (Lights and Noise hotline); Department of Building and Safety (213-485-7069 for older info, general City info 3-1-1).

Los Angeles, CA Noise Ordinance

Quiet Hours: 10:00 PM to 7:00 AM

Residential Decibel Limit: Not to exceed ambient by more than 5 dBA (presumed ambient: 50 dBA) (Day) / Not to exceed ambient by more than 5 dBA (presumed ambient: 40 dBA) (Night)

Summary: Los Angeles, CA noise ordinances, primarily Chapter XI of the Los Angeles Municipal Code, prohibit unnecessary, excessive, and annoying noise disturbing the peace. Generally, noise should not exceed ambient levels by more than 5 dBA on adjacent residential properties. Quiet hours typically run from 10 PM to 7 AM, with specific and stricter regulations for activities like construction and amplified sound.

Local Noise Laws

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