Map for Washington County - Human Resources Map for Washington County - Human Resources Search | Advanced Search | New Members | Coupons and Discounts | All Categories Government & Education >> GOVERNMENT AGENCIES Washington County - Human Resources 155 N 1st Ave. Ste. 270 MS-11Hillsboro, OR 97124 | directions (503) 846-8606 Visit Site If your business isn't here, contact us today to get listed!