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.
Hayward has substantial industrial land use along Whipple Road, Industrial Parkway, and near the airport. HMC Chapter 4 Article 7 sets zone-based noise limits: industrial zones allow up to 70 dBA at the property line during daytime, reducing at night. Where industrial uses abut residential, the lower residential standard (60 dBA day, 50 dBA night) applies at the shared property line. BAAQMD Regulation 5 addresses open burning; stationary air quality noise is not directly regulated by BAAQMD but by the city. Conditional use permits for new industrial facilities include noise mitigation conditions. Violations are enforced via Code Enforcement (510) 583-4176.
Contact your local code enforcement office for specific penalty information.
Hayward, CA
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Side-by-side rule comparisons with other cities in Alameda County.
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