Industrial Noise: Berkeley vs Hayward
How do industrial noise rules compare between Berkeley, CA and Hayward, CA?
Hayward has fewer restrictions than Berkeley.
Berkeley, CA
Alameda County
Industrial and commercial noise in Berkeley is limited to 65 dB daytime and 55 dB nighttime at adjacent residential property lines under BMC 13.40, with BAAQMD Reg 5 supplementing state rules.
View full Berkeley rules →Hayward, CA
Alameda County
Industrial noise is regulated by HMC noise standards and BAAQMD rules. Industrial zones allow 70 dBA daytime but must not exceed 60 dBA at residential property lines.
View full Hayward rules →Key Facts Comparison
| Fact | Berkeley | Hayward |
|---|---|---|
| Daytime limit | 65 dBA at residential line | - |
| Nighttime limit | 55 dBA at residential line | - |
| Industrial zone | West Berkeley | - |
| Supplemental rule | BAAQMD Regulation 5 | - |
| Remedies | Acoustic studies required | - |
| Industrial Day Limit | - | 70 dBA at property line |
| Adjacent Residential | - | 60 dBA day / 50 night |
| Authority | - | HMC 4-7 plus BAAQMD |
| Enforcement | - | Code Enforcement |
| Phone | - | (510) 583-4176 |
Highlighted rows indicate differences between cities.
Berkeley FAQ
Can a business run 24-hour HVAC in Berkeley?
Only if rooftop and exterior equipment meets the 55 dBA nighttime limit at the nearest residential property line.
What if I live next to a compliant business that is still loud?
Even compliant businesses may be required to install additional attenuation if a pattern of complaints is documented.
Hayward FAQ
Can I complain about industrial noise as a resident?
Yes, call Code Enforcement to file a complaint; inspectors may take sound-level readings at your property line.
Do industrial facilities need noise studies?
New or expanded industrial CUPs generally require acoustical studies demonstrating compliance with abutting residential standards.
Compare other topics
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