Quiet Hours: Costa Mesa vs Garden Grove
How do quiet hours rules compare between Costa Mesa, CA and Garden Grove, CA?
Costa Mesa and Garden Grove 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 →Garden Grove, CA
Orange County
Garden Grove Municipal Code Chapter 8.47 restricts sound-producing devices in residential areas between 10 PM and 7 AM. Any noise exceeding the ambient base level by more than 5 dB at the property line is prima facie evidence of a violation.
View full Garden Grove rules →Key Facts Comparison
| Fact | Costa Mesa | Garden Grove |
|---|---|---|
| Exterior Standards | CMMC §13-280 by zone/time | - |
| Interior Standards | CMMC §13-281 | - |
| Measurement | dB(A) at property line | dB(A) scale, fast response |
| Waivers | Dev Services Director may grant | - |
| Report | Costa Mesa PD or Code Enforcement | - |
| Quiet Hours | - | 10 PM – 7 AM |
| Violation Threshold | - | Ambient + 5 dB at property line |
| Penalty | - | Misdemeanor, up to $1,000 fine |
| Code Section | - | GGMC §8.47.050–8.47.060 |
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.
Garden Grove FAQ
What are the quiet hours in Garden Grove?
Garden Grove restricts sound-producing devices in residential areas between 10 PM and 7 AM under GGMC Section 8.47.060. During these hours, noise that disturbs persons of normal sensitivity is unlawful.
How is a noise violation determined in Garden Grove?
Any noise exceeding the ambient base noise level by more than 5 dB at the property line is prima facie evidence of a violation under Section 8.47.050. Measurements use A-weighted decibels.
What are the penalties for noise violations?
Noise violations are misdemeanors under GGMC Section 1.08.010, carrying fines up to $1,000 and/or up to six months in county jail. Each day of violation is a separate offense.
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