Washington County, Oregon FOUNDATIONS Washington County, Oregon FOUNDATIONS Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Hillsboro Community Foundation _ PO Box 808Hillsboro, OR 97123 5033524513 Member Since: 2019 Learn More | Visit Site | Show on Map Hillsboro Schools Foundation _ 5625 NE Elam Young Pkwy, Ste. 400Hillsboro, OR 97124 (503) 703-9525 Member Since: 2001 Learn More | Visit Site | Show on Map If your business isn't here, contact us today to get listed!