What is the residential decibel limit in Irvine, CA?

Daytime limit: Not specified directly in general terms. Nighttime limit: Not specified directly in general terms. The City of Irvine utilizes Community Noise Equivalent Level (CNEL) and dBA for noise standards. Interior noise levels for noise-sensitive land uses within 60 CNEL of aircraft and railroad noise sources shall not exceed 65 dBA between 7 a.m. and 7 p.m. nor 55 dBA between 7 p.m. and 7 a.m. for typical occupancy. Each noise standard is reduced by 5 dB(A) for impact, predominant tone noise, or noises consisting of speech or music. Evening noise (7 p.m. to 10 p.m.) incurs a 5 dB penalty, and nighttime noise (10 p.m. to 7 a.m.) incurs a 10 dB penalty due to increased sensitivity.

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

For non-emergencies, contact the police at 949-724-7200. For code violations, contact Code Enforcement at 949-724-6326.

Irvine, CA Noise Ordinance

Quiet Hours: 10PM-7AM (general noise, weighted for sensitivity); specific restrictions apply to property maintenance and construction.

Residential Decibel Limit: Not specified directly in general terms (Day) / Not specified directly in general terms (Night)

Summary: Irvine, CA noise ordinances, primarily found in Irvine Municipal Code Chapter 6-8 and enforced under California Penal Code 415, prohibit loud and unreasonable noise. The city defines specific quiet hours for property maintenance and construction activities, and is phasing out gas-powered leaf blowers and lawnmowers. Interior noise limits are set for noise-sensitive land uses near aircraft/railroad, with higher penalties for evening and nighttime noise.

Local Noise Laws

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