Quiet Hours: Castaic vs Lancaster
How do quiet hours rules compare between Castaic, CA and Lancaster, CA?
Lancaster has fewer restrictions than Castaic.
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 →Lancaster, CA
Los Angeles County
Lancaster prohibits unnecessary loud, prolonged, or unusual noises that cause physical discomfort to neighborhood inhabitants under Sec. 8.24.030. Standard is qualitative (no fixed dBA), enforced by complaint.
View full Lancaster rules →Key Facts Comparison
| Fact | Castaic | Lancaster |
|---|---|---|
| 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 | Complaint-based |
| Code | - | Sec. 8.24.030 |
| Standard | - | Qualitative — annoying |
| Topic | - | Quiet Hours |
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.
Lancaster FAQ
What does Lancaster's noise ordinance prohibit?
Sec. 8.24.030 bars any unnecessary noise that is harsh, prolonged, unnatural, or unusual in time or place such that it causes physical discomfort to neighborhood inhabitants of ordinary sensitivity.
Does Lancaster have specific decibel limits?
Chapter 8.24 uses a qualitative standard rather than fixed decibel thresholds. Officers assess whether the noise is unreasonable in context, time, and location.
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