Quiet Hours: Altadena vs Long Beach
How do quiet hours rules compare between Altadena, CA and Long Beach, CA?
Altadena and Long Beach 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 →Long Beach, CA
Los Angeles County
Long Beach Municipal Code Chapter 8.80 prohibits unreasonable noise. Residential quiet hours are generally 10 PM–7 AM on weekdays and 10 PM–9 AM on weekends.
View full Long Beach rules →Key Facts Comparison
| Fact | Altadena | Long Beach |
|---|---|---|
| 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 | - |
| Code | - | LBMC §8.80 |
| Quiet Hours | - | 10 PM–7 AM weekdays / 10 PM–9 AM weekends |
| Enforcement | - | LBPD + Health Dept |
| Contact | - | (562) 570-4132 |
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.
Long Beach FAQ
What are the quiet hours in Long Beach?
Long Beach Municipal Code Chapter 8.80 prohibits unreasonable noise. Residential quiet hours are generally 10 PM–7 AM on weekdays and 10 PM–9 AM on weekends.
What happens if I violate the noise ordinance in Long Beach?
Code: LBMC §8.80. Quiet Hours: 10 PM–7 AM weekdays / 10 PM–9 AM weekends. Enforcement: LBPD + Health Dept. Contact: (562) 570-4132.
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