Quiet Hours: Chino vs San Bernardino
How do quiet hours rules compare between Chino, CA and San Bernardino, CA?
Chino and San Bernardino have similar restriction levels.
Chino, CA
San Bernardino County
Chino does not impose a strict bedtime curfew on residents, but Chino Municipal Code Chapter 9.40 (Noise) sets enforceable A-weighted decibel limits at the receiving residential property line that drop 5 dB between 10:00 p.m. and 7:00 a.m. Section 9.40.040 (Exterior Noise Standards) caps continuous noise (L50) at 55 dBA daytime / 50 dBA nighttime, with maximum (Lmax) of 75 dBA daytime / 70 dBA nighttime.
View full Chino rules →San Bernardino, CA
San Bernardino County
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.
View full San Bernardino rules →Key Facts Comparison
| Fact | Chino | San Bernardino |
|---|---|---|
| Code section | Chino Municipal Code § 9.40.040 (Exterior Noise Standards) | - |
| Nighttime window | 10:00 p.m. to 7:00 a.m. | - |
| Continuous noise cap (L50) | 55 dBA day / 50 dBA night at the property line | - |
| Absolute max (Lmax) | 75 dBA day / 70 dBA night | - |
| Loud-party fines | $250 / $500 / $750 per response (CMC Ch. 9.36, Ord. 2019-005) | - |
| Weekday Quiet | - | 10 PM to 7 AM |
| Weekend Quiet | - | 10 PM to 9 AM |
| Residential Day Limit | - | 55 dBA exterior |
| Residential Night Limit | - | 50 dBA exterior |
| Code | - | SBMC Chapter 8.54 |
Highlighted rows indicate differences between cities.
Chino FAQ
What time do quiet hours start in Chino?
The exterior noise limits drop 5 dB at 10:00 p.m. and return to daytime levels at 7:00 a.m. (CMC § 9.40.040). At night, anything louder than 50 dBA L50 or 70 dBA Lmax at your property line is a violation.
How loud can a neighbor be during the day?
Up to 55 dBA L50 / 70 dBA L02 / 75 dBA Lmax measured at your residential property line between 7 a.m. and 10 p.m. Short loud peaks above 75 dBA are violations any time of day.
Are loud parties handled separately?
Yes. CMC Chapter 9.36 (rewritten by Ord. 2019-005) imposes flat administrative fines ($250 / $500 / $750) on the host for each police response inside a 72-hour window, regardless of decibel reading.
San Bernardino FAQ
What are quiet hours in San Bernardino?
10 PM to 7 AM on weekdays and 10 PM to 9 AM on weekends and holidays under SBMC Chapter 8.54.
Who enforces noise complaints?
The San Bernardino Police Department responds to noise complaints at 909-384-5742, and Code Enforcement handles recurring nuisance cases.
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