Quiet Hours: Altadena vs West Covina
How do quiet hours rules compare between Altadena, CA and West Covina, CA?
Altadena and West Covina 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 →West Covina, CA
Los Angeles County
West Covina enforces quiet hours from 10 PM to 7 AM under Municipal Code Section 15-94. During these hours, any loud, unnecessary, or unusual noise in residential zones that disturbs the peace is unlawful. Gasoline-powered equipment is prohibited from 8 PM to 8 AM.
View full West Covina rules →Key Facts Comparison
| Fact | Altadena | West Covina |
|---|---|---|
| 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 |
| Engine Curfew | - | 8 PM – 8 AM |
| Applies To | - | All residential zones |
| Code | - | WCMC §15-94, §15-95 |
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.
West Covina FAQ
What are the quiet hours in West Covina?
10 PM to 7 AM under Section 15-94. During these hours, any loud, unnecessary, or unusual noise that disturbs the peace in residential areas is unlawful.
When can I use a leaf blower in West Covina?
Only between 8 AM and 8 PM in or near residential zones. Gasoline-powered equipment is banned from 8 PM to 8 AM under Section 15-95.
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