Thousand Oaks treats loud or unruly parties as public nuisances. Hosts and property owners can be cited and billed for repeat Sheriff response under TOMC nuisance and noise provisions, especially in the Cal Lutheran University area.
Loud parties violating quiet hours (10 p.m. to 7 a.m.) or creating disturbances are first warned by the Ventura County Sheriff's deputies serving Thousand Oaks. A second response within a defined window can trigger administrative citations against the host, tenant, and owner under TOMC noise and public-nuisance provisions. The City may bill cost-recovery fees for additional Sheriff dispatches to the same address. Cal Lutheran University area gatherings are emphasized, and the University coordinates with the City on Good Neighbor outreach. Underage drinking at parties is separately prosecuted under Business and Professions Code §25658 and Penal Code §272.
Repeat-response citations, administrative fines, social-host liability for furnishing alcohol to minors, and possible civil cost-recovery for police, fire, and code services.
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