Chino, CA Public Conduct: Loud Party Ordinance (2026)

Chino Municipal Code § 9.36.030 makes it unlawful and a public nuisance to host, permit, or allow a loud or unruly gathering: defined by § 9.36.020 as a private-property gathering that substantially disturbs the quiet enjoyment of property, through excessive noise, blocked streets, public drunkenness, alcohol service to minors, fights, or vandalism. Under § 9.36.040, the first police response earns a written warning to the person responsible. Under § 9.36.050, any subsequent officer response within 48 hours triggers an administrative citation: $250 for the first repeat response, $500 for the second, and $750 for the third and each one after. "Person responsible" reaches property owners, the person in charge of the premises, whoever authorized or organized the gathering, or anyone the officer believes is causing or maintaining it.