Appeal Your Property Value

E-Form to File an Assessment Appeal Application

E-Form to File an Assessment Appeal Application. 
Note: The 2025 annual filing period begins Wednesday, July 2, 2025, and ends Monday, December 1, 2025. 

Instructions - How to Complete an Assessment Appeal Application  

Instructions - How to Complete an Assessment Appeal Application  

Assessment Appeals Board Rules and Hearing Guidelines

• Assessment Appeals Board Rules
• Assessment Appeals Board Hearing Guidelines

Assessment Appeals Information, Forms and Fees 

• General Information about the Appeals Process 
• Findings of Facts Composite Rate
• Forms
• Most Frequently Asked Questions
• Should I File An Assessment Appeal
• Terminology
• Assessment Appeals Filing Periods for Various Counties
• Assessment Appeal Fee Schedules
  • Effective November 19, 2015: Audio CDs of Assessment Appeals Board Hearings are available to the public for a fee of $1.00 (one dollar) per CD. Click HERE for the order form.
  • Copies of Assessment Appeal records are available to the public for a fee of $.15 (fifteen cents) per page. Click HERE for the order form.                                               

How to Prepare For Your Hearing

• Clerk of the Board’s Workshop Presentation on How to Prepare for your Assessment Appeal Hearing 
• More Information on How to Prepare for your Assessment Appeal Hearing
• Video by the State Board of Equalization
  (Disclaimer: For specific filing periods and local rules, see OC Assessment Appeals Board Rules.)
• Publication 29 - An Overview of California Property Tax
• Publication 30 - How to Appeal the Assessed Value of Residential Property
• Property Tax Rules
• Comparable Sales Worksheet

Assessment Appeals Board Members

• Roster of Assessment Appeals Board Members
• Interested in Becoming an Assessment Appeals Board Member?
  • Assessment Appeals Board Member Requirements
  • Application for Board of Supervisors Appointment to an Assessment Appeals Board