WASHINGTON COUNTY ADMINISTRATIVE OFFICE
MAIN SWITCHBOARD
County information line. Callers will be directed to the department, service, or individual needed.
155 N 1st Avenue
Suite 300
Hillsboro, OR 97124
Eligibility: Unrestricted
Hours: Monday-Friday 8:00am-5pm
Phone/FAX Numbers
  • (503) 846-8611 Main phone Washington County Switchboard
  • (503) 846-8611 Main phone
  • (503) 846-7661 Washington County Dispatch Center
  • (800) 735-1232 TTY/TTD
Email Address: cao@co.washington.or.us
COVID-19 INFORMATION: Due to COVID-19, some departments must be called before visiting.
INTAKE PROCEDURE: Call for information. Visit website to search for specific county services.
FEES: None
DOCUMENTS: None
AREA SERVED: Washington County
TRAVEL/LOCATION INFORMATION: Straight across the street from the Hatfield Center MAX Station.
Services:
  • Government Information Services
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WASHINGTON COUNTY ADMINISTRATIVE OFFICE