Amplified Music & Events: Concord vs Oakley
How do amplified music & events rules compare between Concord, CA and Oakley, CA?
Concord and Oakley have similar restriction levels.
Concord, CA
Contra Costa County
Amplified music in Concord must comply with the city's noise ordinance decibel limits and quiet hours. Outdoor amplified sound audible beyond the property line during nighttime hours is a violation. Special event permits are required for commercial amplified entertainment and large gatherings, with conditions set by the city.
View full Concord rules →Oakley, CA
Contra Costa County
Oakley requires permits for amplified sound at outdoor events audible beyond a property line, with typical decibel limits of 55 dBA at residential property boundaries during quiet hours and 65 dBA during daytime. Parties, ceremonies, and public events using PA systems or DJ equipment must comply or face citation.
View full Oakley rules →Key Facts Comparison
| Fact | Concord | Oakley |
|---|---|---|
| Residential Daytime Cap | ~60 dBA at receiving property line | - |
| Residential Nighttime Cap | ~50 dBA / plainly audible standard | - |
| Event Permit Required | Commercial outdoor amplified entertainment | - |
| Vehicle Audio | CVC 27007 (50 ft rule) | - |
| Code Section | CMC Chapter 82, Article V | - |
| Daytime limit | - | ≈ 65 dBA at property line |
| Nighttime limit | - | ≈ 55 dBA at property line |
| Event permit | - | Required for public events |
| Weekend music cutoff | - | 11:00 PM typical |
| Code reference | - | OMC Chapter 8.20 |
Highlighted rows indicate differences between cities.
Concord FAQ
Can I play loud music in my backyard?
Yes during daytime hours as long as it stays within decibel limits at the property line. After 10 PM it must not be plainly audible at neighboring homes.
Do restaurants need permits for live music?
Outdoor amplified entertainment at commercial venues typically requires a special event or entertainment permit with specific noise conditions.
What about amplified music from cars?
California Vehicle Code §27007 prohibits vehicle audio plainly audible at 50 feet or more. Concord Police actively enforce this.
Oakley FAQ
Do I need a permit for a backyard wedding with a DJ?
Private residential events with amplified music generally do not require a permit if they end by 10 PM on weeknights or 11 PM on weekends. Larger ticketed or commercial events may need a Special Event Permit.
How is amplified sound measured?
Oakley enforcement measures sound with a dBA-weighted sound level meter at the receiving property line, not at the source. Several feet of distance and intervening structures matter significantly.
Can restaurants have outdoor live music?
Yes, but typically only under conditions attached to their conditional use permit, which may set end times (often 9 or 10 PM) and maximum dBA limits.
Compare other topics
See how Concord and Oakley 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