January 1: Lien date - the date when taxes for the next fiscal year (July 1 - June 30) become a lien on the property.
January 10: Last day to file Annual Report of Boarded Racehorses (CA BOE Form 571-J1).
February 15*: Exemption Claims Deadline - deadline for filing Veterans, Homeowners, Church, Religious, Welfare Exemptions, Historical Aircraft, and other institutional exemptions.
April 1: Date Business Personal Property, Boat, and Aircraft Statements due.
April 10*: Last day to pay second installment of annual property taxes without penalty.
May 7*: Last day to timely file a business personal property statement without penalty.
July 1: Assessment Roll delivered by the Assessor to the Auditor-Controller.
July 2 - November 30*: Taxpayers may file a formal assessment appeal application with the Clerk of the Board to reduce the assessed value of property. (Other filing periods may apply for supplemental assessments and escape assessments.)
August 31*: Last day to pay unsecured property taxes without penalty.
October 31: Last day to file a Request for informal assessment review to request a review of assessed value.
December 10*: Deadline for late filing of Homeowners, Veterans, and Disabled Veterans Exemptions; last day to pay first installment of annual property taxes without penalty.
*If the date falls on a weekend or holiday, the deadline is extended to the next business day.