Quiet Hours: Castaic vs Santa Monica
How do quiet hours rules compare between Castaic, CA and Santa Monica, CA?
Castaic and Santa Monica have similar restriction levels.
Castaic, CA
Los Angeles County
Los Angeles County Code Title 12, Chapter 12.08 establishes exterior noise standards for unincorporated areas. Residential zones are limited to 50 dBA daytime and 45 dBA nighttime. Nighttime quiet hours run from 10 PM to 7 AM.
View full Castaic rules →Santa Monica, CA
Los Angeles County
Santa Monica enforces quiet hours from 10 PM to 7 AM on weekdays and 10 PM to 8 AM on weekends/holidays. During quiet hours, residential noise limits drop to 50 dBA (15-minute Leq). Sound amplifying equipment in parks and on beaches is prohibited after 10 PM.
View full Santa Monica rules →Key Facts Comparison
| Fact | Castaic | Santa Monica |
|---|---|---|
| Code Section | Title 12, Ch. 12.08 | - |
| Residential Day | 50 dBA max | - |
| Residential Night | 45 dBA max | - |
| Quiet Hours | 10 PM – 7 AM | - |
| Enforcement | (626) 430-5201 | - |
| Weeknight | - | 10 PM – 7 AM |
| Weekend/Holiday | - | 10 PM – 8 AM |
| Night Limit | - | 50 dBA residential |
| Code | - | SMMC Ch. 4.12 |
Highlighted rows indicate differences between cities.
Castaic FAQ
What are quiet hours in unincorporated LA County?
Nighttime quiet hours run from 10 PM to 7 AM under LA County Code Chapter 12.08. During these hours, residential areas have a 45 dBA exterior noise limit.
How do I file a noise complaint in unincorporated LA County?
Call LA County Environmental Health at (626) 430-5201 for noise complaints related to businesses or construction. For general disturbances, contact the LA County Sheriff.
Santa Monica FAQ
What are the quiet hours in Santa Monica?
10 PM to 7 AM on weekdays and 10 PM to 8 AM on weekends and holidays. Residential noise must not exceed 50 dBA during these hours.
Can I play music in a park at night in Santa Monica?
No. Sound amplifying equipment and musical instruments are prohibited in City parks, beaches, and recreational facilities after 10 PM.
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