Decibel Limits: Berkeley vs Fremont
How do decibel limits rules compare between Berkeley, CA and Fremont, CA?
Fremont has fewer restrictions than Berkeley.
Berkeley, CA
Alameda County
Berkeley enforces specific decibel caps in BMC 13.40: 60 dB daytime and 50 dB nighttime in residential zones, measured at the property line, among the strictest in the Bay Area.
View full Berkeley rules →Fremont, CA
Alameda County
Fremont sets exterior noise limits of 55 dBA daytime and 50 dBA nighttime at residential property lines under FMC Chapter 5.30.
View full Fremont rules →Key Facts Comparison
| Fact | Berkeley | Fremont |
|---|---|---|
| Residential day | 60 dBA | - |
| Residential night | 50 dBA | - |
| Commercial day | 65 dBA | - |
| Industrial day | 70 dBA | - |
| Measurement point | Receiving property line | - |
| Residential Day | - | 55 dBA |
| Residential Night | - | 50 dBA |
| Commercial Day | - | 65 dBA |
| Industrial Day | - | 70 dBA |
| Meter Standard | - | ANSI Type 2 |
Highlighted rows indicate differences between cities.
Berkeley FAQ
How is 50 dBA enforced at night?
Officers use calibrated sound meters at the complainants property line. A sustained reading above the limit supports a citation.
Do these limits apply to vehicles?
Vehicle noise on public streets is governed by California Vehicle Code, but idling and stationary vehicle sound on private property falls under BMC 13.40.
Fremont FAQ
How loud is 55 dBA?
About the volume of a quiet office or normal conversation from 10 feet. It is the maximum continuous noise allowed at your residential property line during the day.
Does the city actually use a meter?
Yes. Fremont Code Enforcement uses calibrated sound level meters for disputed complaints, especially for industrial and commercial sources.
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