Industrial Noise: Mountain View vs Santa Clara
How do industrial noise rules compare between Mountain View, CA and Santa Clara, CA?
Mountain View and Santa Clara have similar restriction levels.
Mountain View, CA
Santa Clara County
Industrial and commercial properties in Mountain View must comply with stationary noise source limits measured at property lines, with conditions enforced through zoning and use permits.
View full Mountain View rules →Santa Clara, CA
Santa Clara County
Santa Clara sets industrial zone noise limits at 70 dBA daytime and 70 dBA nighttime at receiving property lines under City Code Chapter 9.10, with stricter limits applied at residential boundaries.
View full Santa Clara rules →Key Facts Comparison
| Fact | Mountain View | Santa Clara |
|---|---|---|
| Residential-adjacent daytime | 60 dBA property line | - |
| Residential-adjacent nighttime | 50 dBA property line | - |
| Loading restrictions | 10pm to 7am | - |
| Enforcement | Code Enforcement and Planning | - |
| Use permit review | Planning Commission | - |
| Industrial Zone Limit | - | 70 dBA at industrial line |
| Residential Boundary Day | - | 55 dBA at residential line |
| Residential Boundary Night | - | 50 dBA at residential line |
| Air Quality Regulator | - | BAAQMD |
| CEQA Review | - | Required for major projects |
Highlighted rows indicate differences between cities.
Mountain View FAQ
Can I complain about a nearby data center?
Yes. File with Code Enforcement; repeated violations can trigger review of the facility conditional use permit.
Are generator test runs exempt?
Brief weekly generator tests are typically allowed during daytime hours if disclosed in the facility use permit.
Santa Clara FAQ
Can a data center run loud cooling all night?
Only if it does not exceed 50 dBA at any adjacent residential property line during 10 PM to 7 AM.
Who regulates industrial emissions in Santa Clara?
BAAQMD handles air emissions; the city handles noise under Chapter 9.10 and land use permits.
Compare other topics
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