Washington County, Oregon FOUNDATIONS Washington County, Oregon FOUNDATIONS Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Hillsboro Schools Foundation _ 5193 NE Elam Young Pkwy, Ste. AHillsboro, OR 97124 (503) 726-2159 Learn More | Visit Site | Show on Map Hillsboro Community Foundation _ PO Box 808Hillsboro, OR 97123 (503) 709-8426 Learn More | Visit Site | Show on Map If your business isn't here, contact us today to get listed!