Amplified Music & Events: Altadena vs Pasadena
How do amplified music & events rules compare between Altadena, CA and Pasadena, CA?
Altadena and Pasadena have similar restriction levels.
Altadena, CA
Los Angeles County
Amplified music and sound devices in unincorporated LA County are regulated under Chapter 12.08 (Noise Control). Residential areas: 45 dB nighttime (10 PM-7 AM), 50 dB daytime. Sound amplifying equipment in or within 500 ft of residential zones is restricted for commercial purposes.
View full Altadena rules →Pasadena, CA
Los Angeles County
Pasadena regulates amplified music under PMC Chapter 9.36 noise regulations. Amplified sound that disturbs the peace or exceeds noise limits is a violation. Special event permits may be required for large outdoor amplified events near the Rose Bowl or other venues.
View full Pasadena rules →Key Facts Comparison
| Fact | Altadena | Pasadena |
|---|---|---|
| Residential Night | 45 dB (10 PM-7 AM) | - |
| Residential Day | 50 dB (7 AM-10 PM) | - |
| Commercial Use | Restricted near residential | - |
| Reference | Title 12, Chapter 12.08 | - |
| Code Section | - | PMC Chapter 9.36 |
| Events | - | Special permit may be required |
| Rose Bowl | - | Event-specific noise rules |
| Enforcement | - | Pasadena PD |
Highlighted rows indicate differences between cities.
Altadena FAQ
What are the noise hours for amplified music in LA County?
Amplified sound must not be audible beyond the property line between 10 PM and 7 AM weekdays, or 10 PM and 8 AM weekends. Daytime amplified sound cannot exceed 5 dB above ambient noise at the property line.
Do I need a permit for a party with amplified music?
Not for an occasional private party that stays within noise limits. Large events or recurring parties may require a Temporary Use Permit from the Department of Regional Planning at (213) 974-6411.
How do I file a noise complaint about amplified music?
Call the LA County Sheriff's non-emergency line at (323) 267-4800 for immediate noise disturbances. For ongoing issues, file a code enforcement complaint at (888) 756-2700.
Pasadena FAQ
How loud can amplified music be in Pasadena?
Amplified music may not exceed 15 dBA above ambient on private property. Sound equipment must be 200 feet from schools and hospitals.
Can I have a DJ at my Pasadena house party?
Yes, if the amplified sound stays within 15 dBA above ambient. No amplified sound after 10 PM on Sundays and holidays.
Compare other topics
See how Altadena and Pasadena compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool