Decibel Limits: Fremont vs San Leandro
How do decibel limits rules compare between Fremont, CA and San Leandro, CA?
Fremont and San Leandro have similar restriction levels.
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 →San Leandro, CA
Alameda County
San Leandro Municipal Code Title 4 (Public Welfare), Chapter 4-1, Article 11 regulates noise based on a relative standard rather than fixed absolute dBA limits. Radio, television, audio equipment, drums, and similar devices are unlawful when they exceed the ambient noise level on adjacent property by more than five (5) decibels.
View full San Leandro rules →Key Facts Comparison
| Fact | Fremont | San Leandro |
|---|---|---|
| Residential Day | 55 dBA | - |
| Residential Night | 50 dBA | - |
| Commercial Day | 65 dBA | - |
| Industrial Day | 70 dBA | - |
| Meter Standard | ANSI Type 2 | - |
| Code Section | - | SLMC Title 4, Chapter 4-1, Article 11 |
| Standard | - | Ambient + 5 dB at receiving property line |
| Residential Planning Threshold | - | 60 dBA Ldn (General Plan Noise Element) |
| Measurement Location | - | Property line of complainant |
| First-offense Fine | - | Up to $100 (infraction) |
Highlighted rows indicate differences between cities.
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.
San Leandro FAQ
What is the decibel limit in San Leandro?
San Leandro does not publish a single fixed dBA limit. Under SLMC Title 4 Chapter 4-1 Article 11, amplified sound or musical instruments are unlawful if they exceed the existing ambient noise level on adjacent property by more than 5 decibels measured at the receiving property line.
How does San Leandro measure noise complaints?
Police officers use either a calibrated Type 2 sound level meter or apply the 'plainly audible' test from the property line. If the noise is more than 5 dB above background, it is a violation under SLMC Article 11.
Compare other topics
See how Fremont and San Leandro compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool