VERIFIED 2026

San Bernardino, CA
Noise Code

The official quiet hours, decibel limits, and enforcement protocols for San Bernardino, CA.

Ordinance Summary

San Bernardino, CA noise ordinances, primarily found in Chapter 8.54 NOISE CONTROL, establish standards to prevent excessive and disturbing noise. Residential areas have specific decibel limits: 55 dBA during the day and 50 dBA at night (10 PM-7 AM). Construction is generally permitted from 7 AM to 8 PM, and habitual animal noise is prohibited. Violations may result in fines or misdemeanor charges.

Quiet Hours

10 PM to 7 AM

Police Non-Emergency

909-384-5742

Decibel Limits

Day
0dB
Night
0dB

"Residential decibel limits are based on aggregated information regarding the City of San Bernardino's noise ordinance. The City's Municipal Code Chapter 8.54 primarily addresses 'disturbing, excessive, or offensive noise' based on factors like audibility and duration, rather than explicit decibel limits for commercial zones."

Measure Noise Levels Instantly

Use our free browser-based decibel meter to check if your neighbors are violating the San Bernardino, CA code.

Specific Noise Restrictions

1
Construction

Construction, erection, alteration, repair, demolition, or improvement activities are generally permitted between 7:00 a.m. and 8:00 p.m. in the City of San Bernardino.

2
Amplified Sound

Noncommercial sound vehicles with amplified equipment are permitted for four hours daily, specifically between 11:30 a.m. - 1:30 p.m. and 4:30 p.m. - 6:30 p.m., excluding Sundays. Sound volume must not be audible over 300 feet from the vehicle, and equipment power is limited to 15 watts. Commercial sound advertising by sound truck is prohibited.

3
Animals

Habitual, annoying animal noise (e.g., barking dogs, crowing roosters, squawking parrots) from residential properties is prohibited. Enforcement typically begins with a courtesy letter, followed by formal written complaints from at least two separate households (or a waiver under certain conditions).

4
Vehicles

It is unlawful to sound any horn or signal device unnecessarily or race an engine while a vehicle is not in motion (except for repair/testing). Operating a motor vehicle with a modified exhaust or intake muffler that increases noise above original manufacturing levels is prohibited. Sound trucks have specific operational restrictions.

Frequently Asked Questions

Quiet Hours?

10 PM to 7 AM.

Construction?

Usually limited to daytime hours (e.g. 7am-6pm). Check 'Specific Restrictions' above.

Who to call?

Use Non-Emergency Police: 909-384-5742.

Fines?

Commonly range from $50 to $500 for initial offenses.

Call Police