Quiet Hours: Concord vs Oakley
How do quiet hours rules compare between Concord, CA and Oakley, CA?
Concord and Oakley have similar restriction levels.
Concord, CA
Contra Costa County
Concord enforces nighttime quiet hours between 10 PM and 7 AM on weekdays and Saturdays, and until 8 AM on Sundays and holidays. During these hours, amplified sound, loud gatherings, power equipment, and other disturbances are prohibited in residential areas. Violations can result in warnings, administrative citations, and misdemeanor charges for repeat offenses.
View full Concord rules →Oakley, CA
Contra Costa County
Oakley Municipal Code Chapter 8.20 establishes quiet hours from 10:00 PM to 7:00 AM on weekdays and 10:00 PM to 8:00 AM on weekends and holidays. Amplified sound, machinery, and loud activities audible beyond property lines during these hours constitute a violation, though agricultural operations protected by California Civil Code 3482.5 remain exempt.
View full Oakley rules →Key Facts Comparison
| Fact | Concord | Oakley |
|---|---|---|
| Weekday Quiet Hours | 10 PM to 7 AM | - |
| Sunday/Holiday Start | 8 AM | - |
| Nighttime dBA Cap | ~50 dBA at residential property line | - |
| Code Section | CMC Chapter 82, Article V | - |
| Enforcement | Police (acute) / Code Enforcement (chronic) | Oakley PD / CCC Sheriff |
| Weekday quiet hours | - | 10:00 PM – 7:00 AM |
| Weekend quiet hours | - | 10:00 PM – 8:00 AM |
| Code chapter | - | OMC Chapter 8.20 |
| Ag exemption | - | CA Civil Code 3482.5 |
Highlighted rows indicate differences between cities.
Concord FAQ
What are quiet hours in Concord?
10 PM to 7 AM on weekdays and Saturdays, and 10 PM to 8 AM on Sundays and holidays.
Can I be cited for a single loud party?
Yes. Concord has a loud/unruly gathering provision allowing police to cite hosts and recover response costs if officers must return.
Do quiet hours apply to apartments?
Yes. The noise ordinance applies to all residential properties including multi-family dwellings, and landlords may have additional lease-based quiet hour rules.
Oakley FAQ
Can I run a washing machine after 10 PM?
Interior household appliances are generally fine if they are not audible from neighboring property lines. Running a washer or dryer inside a closed home typically does not violate Oakley's noise standards.
Are leaf blowers restricted?
Yes. Gas-powered leaf blower sales are banned statewide under AB 1346 effective January 2024, and Oakley restricts powered yard equipment use outside of daytime hours under OMC Chapter 8.20.
Who responds to late-night noise complaints?
Oakley contracts for police services through the Contra Costa County Sheriff's Office. Call the non-emergency line for ongoing noise disturbances after quiet hours begin.
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