Decibel Limits: Santa Clarita vs South San Gabriel
How do decibel limits rules compare between Santa Clarita, CA and South San Gabriel, CA?
Santa Clarita has fewer restrictions than South San Gabriel.
Santa Clarita, CA
Los Angeles County
Santa Clarita enforces noise limits under SCMC Chapter 11.44. The city prohibits noise that exceeds established levels for each land use zone. At the boundary between residential and commercial/manufacturing properties, the quieter zone's standard applies. Measurements use the A-weighted scale with slow response.
View full Santa Clarita rules →South San Gabriel, CA
Los Angeles County
LA County Code Section 12.08.390 establishes tiered exterior noise standards by zone for unincorporated areas. Residential limits are 50 dBA day and 45 dBA night. Commercial zones allow 60/55 dBA and industrial zones allow 70 dBA at all times.
View full South San Gabriel rules →Key Facts Comparison
| Fact | Santa Clarita | South San Gabriel |
|---|---|---|
| Standard | Zone-based dB limits (SCMC 11.44.040) | - |
| Boundary Rule | Quieter zone applies | - |
| Pure Tone | -5 dB correction | - |
| Construction Weekday | 7 AM-7 PM (Mon-Fri) | - |
| Code | SCMC Ch. 11.44 | - |
| Code Section | - | §12.08.390 |
| Residential Day | - | 50 dBA |
| Residential Night | - | 45 dBA |
| Commercial Day | - | 60 dBA |
| Industrial | - | 70 dBA always |
Highlighted rows indicate differences between cities.
Santa Clarita FAQ
What are the noise limits in Santa Clarita?
SCMC Section 11.44.040 sets noise limits by land use zone. At boundaries between residential and commercial areas, the quieter zone's limit applies. Noise with a pure tone is penalized by 5 dB.
When is construction allowed in Santa Clarita?
7 AM to 7 PM Monday through Friday, and 8 AM to 6 PM Saturday, within 300 feet of residentially zoned property. No construction on Sundays or holidays.
South San Gabriel FAQ
What are the decibel limits in unincorporated LA County?
Residential areas are limited to 50 dBA during the day and 45 dBA at night. Commercial zones allow 60 dBA daytime and 55 dBA nighttime. Industrial zones permit 70 dBA at all times.
How are noise violations measured in LA County?
Noise is measured at the property line of the affected party using the A-weighted decibel scale. Duration matters too — exceeding limits for more than 30 minutes per hour triggers Standard No. 1.
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