King County Tax Assessor


King Tax Assessor offices are responsible to carry out the mandate of Washington in King county. The law mandates that all real properties are subject to taxation unless exemption is imposed. Tax assessments are necessary in support to the required services to WA residents. Tax assessments go to services such as those provided for law enforcement, education, fire protection, parks and recreation, and many more.

The King county directory portal for local tax assessor offices provides a comprehensive guide to the public. The site includes the name of the assigned tax assessor office for easy reference and related transaction.


King Tax Assessor: King County Assessor

Tax Assessor Office Address: 500 Fourth Ave., Room 708, Seattle, WA 98104

Phone: (206) 296-7300

Fax: (206) 296-5107

Website: http://www.kingcounty.gov/depts/assessor.aspx

Zip Code: 425 253 206 360

Office Hours: Pacific

Schedule an Appointment with King County, Washington Property Tax Assessor

The King county, WA tax assessor office provides the necessary services to estimate the real property value within its jurisdiction. The property value is an essential component in computing the property tax bills. The King tax assessor office is also tasked to provide supplemental bills, business property taxes, and other vital information for transparency.

Contact your King tax assessor office for tax information and other related inquiries and concerns.