
Secured property taxes in California are due in two installments: the first on November 1, delinquent after 5 p.m. on December 10 with a 10% penalty; the second on February 1, delinquent after 5 p.m. on April 10 with a 10% penalty plus additional costs. If a deadline falls on a weekend or holiday, payment is extended to the next business day.


