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Orange County, CA Public Conduct: Loud Party Ordinance (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Restricted hours
10:00 p.m. to 7:00 a.m.
Applies in
unincorporated Orange County only
Repeat-response fee cap
$500 per incident
Enforced by
Orange County Sheriff's Department
Coverage radius
within 300 feet of a residence

Summary

Unreasonably loud or raucous noise in unincorporated Orange County residential areas between 10 p.m. and 7 a.m. is a declared public nuisance, and owners or occupants who let it continue face misdemeanor charges plus repeat-response fees up to $500.

City-specific rules exist: Costa Mesa, Mission Viejo, Santa Ana, Orange, Irvine, Huntington Beach, Garden Grove, Anaheim, and Newport Beach have their own loud party ordinance rules that differ from Orange County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Noise that is unreasonably loud, raucous or jarring to persons within the area of audibility in a residential area between the hours of 10:00 p.m. and 7:00 a.m.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 157).

Full Breakdown

Sec. 3-15-4 declares noise that is unreasonably loud, raucous or jarring in a residential area between 10 p.m. and 7 a.m. a public nuisance. Under Sec. 3-15-6, anyone who creates the disturbance, or an owner/occupant who knows of it and fails to take reasonable steps to stop it, is guilty of a misdemeanor, with each night a separate offense. Sec. 3-15-2 and 3-15-7 through 3-15-8 let the Sheriff issue a first warning notice; if deputies must return before 7 a.m., the owner and occupant can be billed for personnel and equipment costs up to $500, which becomes a special assessment lien if unpaid.

Violations & Fines

Misdemeanor under Sec. 3-15-6, punishable per Sec. 1-1-34(b); each disturbance-night is a separate offense. A second Sheriff response in the same night can trigger a cost-recovery invoice up to $500 against the property owner and occupant.

Frequently Asked Questions

Can a host be billed for repeated deputy visits to a loud party?
Yes. Under Sec. 3-15-6 and 3-15-8, if the Sheriff must return before 7 a.m. after a first warning, the property owner and occupant can be charged response costs up to $500.
Does this county ordinance cover Anaheim or Santa Ana house parties?
No. This provision governs only unincorporated Orange County; Anaheim, Santa Ana and the other 34 incorporated cities enforce their own separate noise and nuisance codes.

Sources & Official References

Other rules in Orange County

All Orange County rules

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