Quiet Hours: Altadena vs Compton
How do quiet hours rules compare between Altadena, CA and Compton, CA?
Altadena and Compton 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 →Compton, CA
Los Angeles County
Compton Municipal Code Chapter 7 enforces noise restrictions with heightened enforcement during nighttime hours (10 PM-7 AM). Noise disturbing the peace of neighbors during quiet hours is a misdemeanor.
View full Compton rules →Key Facts Comparison
| Fact | Altadena | Compton |
|---|---|---|
| Code Section | LA County Code Ch. 12.08 (Title 12) | CMC Chapter 7 |
| 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 (general) |
| Penalty | - | Misdemeanor: up to $1,000 |
| County Backup | - | LA County Ch. 12.08 |
| Enforcement | - | Compton PD: (310) 605-5777 |
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.
Compton FAQ
What are Compton's quiet hours?
Quiet hours are generally 10 PM to 7 AM. Noise disturbing neighbors during these hours is subject to heightened enforcement and may be charged as a misdemeanor.
Who enforces quiet hours in Compton?
The Compton Police Department enforces noise violations. Contact (310) 605-5777 for complaints.
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