Quiet hours in San Bernardino, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
San Bernardino Municipal Code Chapter 8.54 sets quiet hours from 10 PM to 7 AM weekdays and 10 PM to 9 AM weekends and holidays. Exterior residential limits are about 55 dBA day and 50 dBA night.
San Bernardino Municipal Code Chapter 8.54 (Noise Control) defines the citywide noise standards. Quiet hours run 10 PM to 7 AM Monday through Friday and 10 PM to 9 AM on weekends and federal holidays. Exterior residential noise limits are approximately 55 dBA during daytime hours and 50 dBA overnight, with the Development Code capping residential exterior exposure at 65 dBA and interior at 45 dBA under CEQA-aligned Ldn and CNEL methodologies. SBMC 8.30.020(L) adds a general nuisance provision for loud or unusual noises offending persons of ordinary sensibilities. The San Bernardino Police Department enforces noise complaints and can issue citations, and SBMC 8.54.030 authorizes written notice and impoundment of noise-producing equipment for chronic violators. Call 909-384-5742 for non-emergency complaints.
Citation under SBMC 8.54; nuisance under SBMC 8.30.020(L); equipment may be impounded under 8.54.030.
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Side-by-side rule comparisons with other cities in San Bernardino County.
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