Quiet Hours: Altadena vs Glendale
How do quiet hours rules compare between Altadena, CA and Glendale, CA?
Altadena and Glendale have similar restriction levels.
Altadena, CA
Los Angeles County
Altadena is unincorporated, so LA County Title 12 Chapter 12.08 (Noise Control) applies. Nighttime exterior limits run 10:00 p.m. to 7:00 a.m. with stricter dB caps; daytime runs 7:00 a.m. to 10:00 p.m.
View full Altadena rules →Glendale, CA
Los Angeles County
Glendale enforces nighttime noise restrictions under the Glendale Municipal Code. It is unlawful to operate radios, musical instruments, TVs, or other sound-producing devices during nighttime hours in a manner that disturbs neighboring residents. Loading, unloading, and handling noisy materials at night is also prohibited.
View full Glendale rules →Key Facts Comparison
| Fact | Altadena | Glendale |
|---|---|---|
| Code Section | LA County Code Ch. 12.08 (Title 12) | - |
| Nighttime Window | 10:00 p.m. – 7:00 a.m. | - |
| Residential Night Limit | 45 dBA (R-1) | - |
| Residential Day Limit | 50 dBA (R-1) | - |
| Ambient Exceedance Rule | +5 dB over ambient | - |
| Quiet Hours | - | 10 PM–7 AM |
| Standard | - | Disturbing neighboring residents |
| Enforcement | - | Glendale Police Department |
| Penalty | - | Misdemeanor, fines up to $1,000 |
Highlighted rows indicate differences between cities.
Altadena FAQ
What are Altadena's quiet hours?
10 p.m. to 7 a.m. under LA County Code Ch. 12.08 — Altadena is unincorporated so LA County's noise ordinance applies.
How loud can my backyard be at night?
Single-family residential exterior noise is capped at 45 dBA from 10 p.m. to 7 a.m. per Section 12.08.390.
Glendale FAQ
What are the quiet hours in Glendale?
Nighttime noise restrictions apply from 10 PM to 7 AM. Noise that disturbs neighboring residents is prohibited during these hours.
How do I file a noise complaint?
Contact the Glendale Police Department non-emergency line for noise complaints. Code Compliance also investigates repeated noise issues.
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