You need Adobe Reader to view, print and fill out most of the forms listed below. To request forms by mail, please contact the agency by sending an e-mail or calling the telephone numbers listed next to the title of the form.

Documents Contact Information
Tax Collector's Office
(714) 834-3411
Change of Address Assessor Department
Change of Ownership Assessor Department
Tax Exemption forms Assessor Department
Claim for Refund of Taxes Paid and/or Penalties Paid
(For Instructions, please click Here)
Clerk of the Board
(714) 834-2206
Assessment Appeals Application Form Clerk of the Board


If you require a W-9 from the County in order for you to process payment for your secured or unsecured property tax bills, please e-mail your request to with your fax number. We process these requests weekly. If you have questions on the W-9, please contact us at (714)834-7625.

Investment-Related Forms

Broker-Dealer Application