Santa Ana establishes quantitative noise limits under SAMC Chapter 18, Article VI (Noise Control). Exterior residential limits are 55 dBA daytime (7 AM-10 PM) and 50 dBA nighttime (10 PM-7 AM), with a 5 dB penalty for impact noise, music, or simple tones.
SAMC Section 18-312 sets exterior noise standards by noise zone. Noise Zone I (residential) limits are 55 dBA from 7:00 AM to 10:00 PM and 50 dBA from 10:00 PM to 7:00 AM measured at the property line of the receiving property. Noise Zone II (commercial) allows up to 65 dBA daytime and 60 dBA nighttime. A 5 dB reduction is applied for noise with impact character, simple tones, speech, or music content. SAMC Section 18-313 establishes interior noise standards of 45 dBA for residential properties during all time periods. Measurements are made using A-weighted sound level meters meeting ANSI specifications.
Violations are subject to administrative citations. Repeat violations may result in misdemeanor charges with fines up to $1,000 and/or up to six months in jail. Each day of continuing violation constitutes a separate offense.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Santa Ana, CA
Santa Ana enforces quiet hours from 10 PM to 7 AM under SAMC Chapter 18, Article VI (Noise Control). Residential exterior noise is limited to 55 dBA daytime ...
Santa Ana, CA
Santa Ana permits residential construction on weekdays from 7 AM to 7 PM and on weekends from 9 AM to 8 PM. Construction noise is regulated under SAMC Chapte...
Santa Ana, CA
Outdoor music events in Santa Ana are subject to SAMC Chapter 18, Article VI noise limits with a 5 dB stricter standard for music. Special events with amplif...
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