Map for Sheriff's Office Foundation of Washington County Map for Sheriff's Office Foundation of Washington County Search | Advanced Search | New Members | Coupons and Discounts | All Categories Family, Community & Non-Profit >> NON PROFIT-ORGANIZATION Sheriff's Office Foundation of Washington County P.O. Box 3281Hillsboro, OR 97123 | directions (503) 944-9694 Visit Site If your business isn't here, contact us today to get listed!