Quiet Hours: Costa Mesa vs Irvine
How do quiet hours rules compare between Costa Mesa, CA and Irvine, CA?
Costa Mesa and Irvine have similar restriction levels.
Costa Mesa, CA
Orange County
Costa Mesa Chapter XIII of the Municipal Code establishes noise control standards. Section 13-280 sets exterior noise standards for residential zones with different limits for daytime and nighttime. Willfully making loud, unnecessary noise that disturbs the peace is unlawful.
View full Costa Mesa rules →Irvine, CA
Orange County
Irvine designates nighttime quiet hours from 10:00 PM to 7:00 AM under IMC Title 6, Division 8, Chapter 2 with lower decibel limits for all noise zones. Construction is prohibited during these hours without a waiver.
View full Irvine rules →Key Facts Comparison
| Fact | Costa Mesa | Irvine |
|---|---|---|
| Exterior Standards | CMMC §13-280 by zone/time | - |
| Interior Standards | CMMC §13-281 | - |
| Measurement | dB(A) at property line | - |
| Waivers | Dev Services Director may grant | - |
| Report | Costa Mesa PD or Code Enforcement | - |
| Quiet Hours | - | 10:00 PM to 7:00 AM |
| Nighttime Standards | - | Lower than daytime |
| Construction | - | Prohibited during quiet hours |
| Exemptions | - | Emergency work only |
| Code Section | - | IMC Title 6, Div. 8, Ch. 2 |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
What are the quiet hours in Costa Mesa?
Costa Mesa sets different noise limits for daytime and nighttime under CMMC Section 13-280. Nighttime limits are stricter. Making loud, unnecessary noise that disturbs neighbors is always unlawful.
How is noise measured in Costa Mesa?
Noise is measured in A-weighted decibels at the property line of the affected property. Different zones have different maximum levels under Section 13-280.
Who do I call about noise?
For immediate disturbances, contact the Costa Mesa Police Department at (714) 754-5252. For ongoing issues, file a complaint with Code Enforcement.
Irvine FAQ
What are quiet hours in Irvine?
Nighttime quiet hours are from 10:00 PM to 7:00 AM with lower noise limits for all zones. No construction is allowed during these hours.
Can I file a noise complaint during quiet hours?
Yes. Contact Irvine Police Department non-emergency at (949) 724-7000 for nighttime noise disturbances.
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