Decibel Limits: Glendale vs South San Gabriel
How do decibel limits rules compare between Glendale, CA and South San Gabriel, CA?
Glendale and South San Gabriel have similar restriction levels.
Glendale, CA
Los Angeles County
Glendale enforces presumed ambient noise standards under GMC 8.36.040. Residential (single-family/duplex) zones are limited to 55 dBA daytime and 45 dBA nighttime exterior. Multifamily residential allows 60 dBA. Commercial zones are set at 65 dBA. Any noise exceeding the presumed ambient plus 5 dBA is a violation.
View full Glendale 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 | Glendale | South San Gabriel |
|---|---|---|
| Residential Day | 55 dBA (single-family) | 50 dBA |
| Residential Night | 45 dBA | 45 dBA |
| Multifamily | 60 dBA anytime | - |
| Commercial | 65 dBA anytime | - |
| Code | GMC 8.36.040 | - |
| Code Section | - | §12.08.390 |
| Commercial Day | - | 60 dBA |
| Industrial | - | 70 dBA always |
Highlighted rows indicate differences between cities.
Glendale FAQ
What is the noise limit in Glendale residential areas?
Single-family and duplex zones: 55 dBA daytime, 45 dBA nighttime. Multifamily zones: 60 dBA anytime. Any noise exceeding the presumed ambient plus 5 dBA is a violation under GMC 8.36.040.
How does Glendale measure noise violations?
Using the A-weighted scale with slow response at the property line. If noise contains a pure tone or impulsive sound, the standard is reduced by 5 dBA.
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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