Department of Assessment & Taxation Information (PDF) (2MB) 

Summaries & Taxpayer Lists

Summary of Assessment & Tax Roll
Top 20 Taxpayers List for Washington County

A&T Performance Measures

Changed Property Ratio (CPR)


Request an A&T Data Report (PDF) (87 KB) 

Other Sources of Information 

DOR (Department of Revenue)

Washington County
Assessment & Taxation Department
(Mailing address) 155 N. First Avenue, Suite 130 MS8
(Physical address) 161 NW Adams Avenue, Suite 102
Hillsboro, OR 97124 

Phone: (503) 846-8741
Fax: (503) 846-3909
TTY: (503) 846-8601
E-Mail to:

Español: Para más información, llame al (503) 846-8741