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The assessor's staff is available to assist you in any way we can. If you have question or concerns, please feel free to call us at 206-296-5126.

Basic Personal Property Webinar

Join our webinar, where we will cover:
 -Personal property introduction
 -About the Personal Property Section
 -Common listing problems
Register here: Apr 10

Online Services


Personal property used in a business on January 1 must be reported in that year to the assessor of the county in which the property is located. Reports must be filed
by April 30 or the taxpayer will incur a monthly penalty of 5 percent of the tax due, not to exceed 25 percent.

Tutorial (3MB, .PPS), .PDF format - Please view this tutorial prior to e-filing.



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