Request for Informal Assessment Review

There is no charge to file a request to have your property value reviewed by the Assessor.

  • The filing period for Informal Assessment Reviews is January 1 to April 30, each year.
  • The Assessor will review requests submitted after April 30 as time allows.
  • The Assessor will consider the market value of property as of January 1 (lien date).
  • Prior assessment years cannot be reviewed.
  • Choose the form for your property type. Be sure to provide accurate and complete information.
    • Single-Family, Condo, Townhouse 
    • Multi-Family (Apartment, Triplex, Duplex) 
    • Commercial/Industrial (Retail, Office, Other)
    • Hospitality (Hotel/Motel) 
  • Print the completed form and mail it to:
    Orange County Assessor

    Attention: Real Property

    P. O. Box 22000
    Santa Ana, CA 92702-2000
  • This is an informal request for review.
  • The Assessor will send you a Value Notice in July. The notice will show the Taxable Value determined by the Assessor's review.
  • The Taxable Value will be used to calculate your Annual Property Tax Bill.
  • This informal review is not a formal assessment appeal. A formal assessment appeal may be filed with the Clerk of the Assessment Appeals Board between July 2 and no later than November 30.
  • If you have any questions, please call (714) 834-2727.