Assessment & Taxation

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.

Education & Outreach –

Taxpayer Business Personal Property Seminar
January 21, 2016; 1:30 pm – 3:30 pm
Charles D. Cameron Public Services Building
155 N. First Avenue, Room 140
Hillsboro, OR 

Business owners, accountants, tax consultants and preparers; are encouraged to attend a Taxpayer Business Personal Property Seminar to learn how to file the Confidential Personal Property Return.  This seminar is open to the general public.  For additional information or to RSVP, e-mail or call (503) 846-3919.

Property Tax Statement

Many of you will be receiving your annual Property Tax Statement on or before October 25, 2015.  Payment for taxes are due on or before November 16, 2015.  Two drop boxes are located in the Public Services Building, 155 N. First Ave., Hillsboro.  These boxes are available October 26th through November 16th.  The 24 hour drop box site is located at the rear of the building; the other drop box site is available Monday through Friday 8:30 am - 5:00 pm, located in the Public Services Building lobby outside Room 130.


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.

Payments must be POSTMARKED on or before November 16, 2015.  Please return the lower portion of your tax bill(s) with payment in the enclosed envelope.  You may also send payments directly to:

Property Tax Payment Center
PO Box 3587
Portland, OR 97208-3587


Washington County
Assessment & Taxation 155 N. First Avenue, Suite 130
Hillsboro, OR 97124

Pay Taxes Online

Property Tax Appeals (BoPTA)