Washington County - Human Resources 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 | map | directions (503) 846-8606 Visit Site Connect With Us Send a message to: Washington County - Human Resources Your Name: Your Email: Subject: Message: (Date: 4/23/2024) If your business isn't here, contact us today to get listed!