Responsibilities
The responsibilities of the Department of Assessment and Taxation include appraisal and assessment of property; collection of property taxes for all taxing entities; recording documents, land plats, issuing marriage licenses, records retention and administration of Elections.

Contact Us

Appraisal: 503-846-8826
Recording: 503-846-8752
Special Programs: 503-846-8741
Cartography: 503-846-8871
Tax Collections: 503-846-8801

Hours of Operation

M-F 8:30 AM - 5:00 PM

Change of Address

Submit a Change of Address Request
Location

155 N. First Ave., Suite 130
Hillsboro, Oregon 97124

Public Services Building image
Tax Statements
Annual Property Tax Statements will be mailed out on or before October 25, 2021. Payments for taxes are due on or before November 15, 2021. Payments must be POSTMARKED on or before November 15, 2021. Please return the lower portion of your tax bill(s) with your payment in the enclosed envelope.
Payments

Pay Taxes Online.

Mail Payment:
Washington County
Assessment & Taxation
155 N. First Avenue, Suite 130 MS8
Hillsboro, Oregon 97124

A 24-hour dropbox is located on the west side of the building.

In person

For general tax questions, please see Property Tax Questions . If you are looking for specific tax data relevant to your property, please call our office at 503-846-8741.