Decibel Limits: Glendale vs West Covina
How do decibel limits rules compare between Glendale, CA and West Covina, CA?
West Covina has fewer restrictions than Glendale.
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 →West Covina, CA
Los Angeles County
West Covina Municipal Code Article IV (Sections 15-91 through 15-97) prohibits loud, unnecessary, or unusual noise in residential zones. Noise plainly audible at 50 feet from the property line is presumed a violation. Standards are reduced by 5 dB for tones, repetitive noise, music, or speech.
View full West Covina rules →Key Facts Comparison
| Fact | Glendale | West Covina |
|---|---|---|
| Residential Day | 55 dBA (single-family) | - |
| Residential Night | 45 dBA | - |
| Multifamily | 60 dBA anytime | - |
| Commercial | 65 dBA anytime | - |
| Code | GMC 8.36.040 | WCMC Art. IV §15-91–97 |
| Audibility Test | - | 50 ft from property line |
| Tone/Music Penalty | - | -5 dB reduction |
| Engine Curfew | - | 8 PM – 8 AM |
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.
West Covina FAQ
How is a noise violation determined in West Covina?
If noise is plainly audible at 50 feet from the property line, it is presumed a violation under Section 15-94. For tonal, repetitive, music, or speech content, the threshold is reduced by 5 dB.
Can I run a leaf blower at night in West Covina?
No. Between 8 PM and 8 AM, operating gasoline-powered engines like leaf blowers, mowers, or chain saws within a residential zone or within 500 feet is unlawful under Section 15-95.
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