Tax Payment Procedures

Office Closed


All Washington County Deparment of Assessment & Taxation offices are closed to the public to help mitigate the spread of COVID-19

We continue to provide service to our customers remotely. Business can be transacted by phone, email, or online.

This department provides services in the collection of property taxes, special assessments, LID assessments, tax accounting, preparation and issuance of refunds, foreclosure proceedings, and collection of warrants.

Tax Office Hours are:  Weekdays 8:30 a.m. to 5:00 p.m. (CLOSED UNTIL FURTHER NOTICE)

Washington County
Assessment & Taxation Department
155 N First Ave, Suite 130 MS8
Hillsboro, OR 97124 

Telephone: (503) 846-8801
Fax: (503) 846-3909
TTY: (503) 846-8601
E-Mail to:

Español: Para más información, llame al (503) 846-8801