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

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

Key Facts

Trigger
written warning, then repeat response within 12 hrs
Who pays
host, owner, organizer: jointly liable
Minors
parents/guardians liable instead
Appeal window
15 days after bill mailed

Summary

The Sheriff's Department can bill party hosts for every response after a written warning, with the host and any minor's parents jointly liable for the full cost.

City-specific rules exist: Chino, Rancho Cucamonga, Fontana, San Bernardino, Victorville, Ontario, and Rialto have their own loud party ordinance rules that differ from San Bernardino County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

A Sheriff services fee may be imposed when: (1) A Sheriff's Department officer at the scene of a party has given written notice to a person responsible for the party that the party violates the law; and (2) A subsequent Sheriff's Department response to the party is required to control the threat to public peace, health, safety and welfare and to disperse the party. ... Each person responsible for the party for which a Sheriff services fee is imposed under § 24.0603 of this Code shall be jointly and severally liable for the Sheriff services fee.

Full Breakdown

Under County Code Chapter 6, once a Sheriff's deputy gives written notice at a party that it violates the law, any subsequent response within 12 hours to control the crowd or disperse it triggers a Sheriff services fee: full cost of the personnel, equipment, and any officer medical treatment. The property owner, occupant, event organizer, and host are all jointly and severally liable; if the responsible person is a minor, their parents or guardians are liable instead. Unpaid fees become a County debt collectible with attorneys' fees, and a recipient has 15 days to appeal a bill to a Sheriff's Department hearing officer before collection proceeds.

Violations & Fines

Sheriff services fee = full department cost of the second response, billed to host/parents; unpaid balance pursued as a County debt plus attorneys' fees.

Frequently Asked Questions

Does one Sheriff visit trigger a fee?
No. The first response only produces a written warning; the fee only applies to a second response within 12 hours after that warning.
Can I dispute the bill?
Yes: file a written appeal with the Sheriff's Department within 15 days of the bill being mailed, and collection is paused until the appeal is decided.

Sources & Official References

Other rules in San Bernardino County

All San Bernardino County rules

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Loud Party Ordinance in Cities Across San Bernardino County