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Noise from Specific Sources

Noise from Specific Sources in Chino, CA: What Residents Actually Need to Know

By CityRuleLookup Editorial Team

If you live in Chino or are thinking about moving there, noise from specific sources are one of those things you probably won't think about until they affect you directly. Chino has 2 specific rules on the books covering different aspects of noise from specific sources, and some of them might surprise you.

HVAC & Mechanical Noise

Air conditioners and refrigeration units in Chino count as 'fixed noise sources' under the city's noise ordinance and must meet the same exterior decibel limits as any other equipment: up to 55 dBA daytime, 50 dBA at night.

Key details: Daytime limit: 55 dBA (7am-10pm), 30 min/hr. Nighttime limit: 50 dBA (10pm-7am), 30 min/hr. AC/refrigeration status: counts as 'fixed noise source'. Old AC noise allowance: expired January 1, 1996. Penalty: misdemeanor, up to 6 months jail.

Exceeding the noise standard is a misdemeanor punishable by a fine set by city council resolution, up to six months in jail, or both; each day of violation is a separate offense (CMC § 9.40.170).

Car Alarm Limits

Chino exempts vehicle and building alarms from its noise chapter only if the alarm shuts off within thirty minutes of activation, under Chino Municipal Code § 9.40.060(C).

Key details: Exemption cutoff: 30 minutes. Covers: Building and vehicle alarms. Past 30 min: Ordinary noise violation. Adopted: Ord. 95-10, 1995.

An alarm that sounds longer than thirty minutes in any hour loses its exemption and is a misdemeanor noise violation, punishable by a council-set fine, up to six months in jail, or both.

The Bottom Line

Chino's noise from specific sources rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Chino is broadly strict or permissive.

These rules come from Chino's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.