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Department Overview

Mission & Goals

Our mission is to serve the citizens of Orange County by:

  • Valuing all legally assessable property
  • Developing values with fairness and impartiality
  • Producing property tax assessment rolls in accordance with the laws of the State of California
  • Assisting property owners in understanding their property valuations
  • Providing accurate information in a timely and courteous manner

Our goals are to:

  • Make property valuation information more accessible and easier to understand
  • Enhance efficiency and productivity by implementing new technology, policies and procedures
  • Encourage employee development by providing access to relevant training opportunities

The Assessor's Responsibilities

  • The Assessor is required by law to determine the value of all taxable property in Orange County for property tax purposes.
  • The information is published on assessment reports and provided to property owners on valuation notices.
  • The Assessor does not establish tax rates or collect property taxes.

We can help you

  • Understand your taxable value.
  • Apply for various exemptions.
  • Find an assessor parcel number (APN).
  • Update your mailing address for valuation notices and property tax bills.
  • Complete a Change of Ownership Statement, or other property assessment forms.