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King County Assessor

John Wilson is the current King County Assessor. The Assessor's office provides valuations for every property in the county.

How we do it:

  • Locate every taxable property in the county
  • Identify property ownership
  • Establish a taxable value
  • Apply legal exemptions to property taxes

The Assessor's office doesn't manage your property tax payments. The county's Treasury Department handles that.