Quiet Hours: Castro Valley vs Livermore
How do quiet hours rules compare between Castro Valley, CA and Livermore, CA?
Castro Valley and Livermore have similar restriction levels.
Castro Valley, CA
Alameda County
Castro Valley is unincorporated Alameda County, so noise is governed by Alameda County Code Chapter 6.60. Section 6.60.050 prohibits any radio, stereo, audio equipment, musical instrument, or device producing sound that is plainly audible at 50 feet from the source at any hour. Decibel limits in Tables 6.60.040A and 6.60.040B apply to residential and commercial zones.
View full Castro Valley rules →Livermore, CA
Alameda County
Livermore quiet hours run 10 PM to 7 AM weekdays and 10 PM to 8 AM weekends per LMC Chapter 9.32. Residential limit is 55 dB day, 45 dB night.
View full Livermore rules →Key Facts Comparison
| Fact | Castro Valley | Livermore |
|---|---|---|
| Jurisdiction | Alameda County (unincorporated) | - |
| Code Reference | Code Ch. 6.60 | - |
| Plainly Audible Rule | 50 feet anytime (Sec. 6.60.050) | - |
| Decibel Tables | 6.60.040A and 6.60.040B | - |
| Weeknight Quiet | - | 10 PM - 7 AM |
| Weekend Quiet | - | 10 PM - 8 AM |
| Day Limit | - | 55 dBA residential |
| Night Limit | - | 45 dBA residential |
| Code | - | LMC Ch. 9.32 |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
What are Castro Valley's quiet hours?
Castro Valley follows Alameda County Code Chapter 6.60. Any radio, stereo, or audio device that is plainly audible 50 feet from the source is prohibited at any time. Tables 6.60.040A/B set decibel limits that are stricter at night (typically 10 p.m.-7 a.m.).
Who enforces noise complaints in Castro Valley?
The Alameda County Sheriff's Office handles after-hours complaints; Alameda County Environmental Health handles ongoing/stationary noise. Call non-emergency dispatch to file a complaint.
Livermore FAQ
Can I run my pool pump at night in Livermore?
Only if it stays below 45 dBA at your property line. Most older pool pumps exceed this and must be timer-controlled to run during daytime hours.
Do quiet hours apply on holidays?
Yes, federal holidays follow weekend hours (10 PM to 8 AM) in Livermore.
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