Decibel Limits: Glendale vs Pomona
How do decibel limits rules compare between Glendale, CA and Pomona, CA?
Pomona 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 →Pomona, CA
Los Angeles County
Pomona City Code Chapter 18, Article VII (Noise and Vibration Control) establishes exterior noise standards measured in dBA. Residential zones have a daytime limit of 60 dBA (7 AM-10 PM) and nighttime limit of 50 dBA (10 PM-7 AM) at the property line.
View full Pomona rules →Key Facts Comparison
| Fact | Glendale | Pomona |
|---|---|---|
| Residential Day | 55 dBA (single-family) | 60 dBA (7 AM–10 PM) |
| Residential Night | 45 dBA | 50 dBA (10 PM–7 AM) |
| Multifamily | 60 dBA anytime | - |
| Commercial | 65 dBA anytime | - |
| Code | GMC 8.36.040 | - |
| Code Section | - | Ch. 18, Art. VII, §§18-301–18-315 |
| Commercial Day | - | 70 dBA (7 AM–10 PM) |
| Measurement | - | A-weighted, slow response |
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.
Pomona FAQ
What are Pomona's residential noise limits?
Under Section 18-311, single-family residential zones allow 60 dBA during daytime (7 AM-10 PM) and 50 dBA at night (10 PM-7 AM), measured at the property line.
How are noise levels measured in Pomona?
All measurements use A-weighted sound level meters at slow response, per Section 18-301 definitions.
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