Quiet hours in Los Angeles, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Los Angeles Municipal Code Chapter XI prohibits unnecessary, excessive noise. Quiet hours run 10 PM–7 AM. Noise must not exceed ambient levels by more than 5 dBA on adjacent residential properties.
LAMC Chapter XI (Noise Regulation, effective 1973, amended 1982) establishes residential noise standards. General quiet hours are 10:00 PM–7:00 AM. Daytime noise thresholds apply 7 AM–10 PM. Noise on adjacent residential property must not exceed ambient by more than 5 dBA. LAMC §41.57 prohibits loud and raucous noise at any time. Powered equipment must not exceed 75 dB (LAMC §112.05). Gas-powered blowers prohibited within 500 feet of a residence.
LAMC §41.57 violations may be misdemeanors. Powered equipment violations are infractions up to $100.
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