Washington County, Oregon: Winery Washington County, Oregon: Winery Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Oak Knoll Winery _ 29700 SW Burkhalter RdHillsboro, OR 97123 (503) 648-8198 Learn More | Visit Site | Show on Map Ruby Vineyard & Winery _ 30088 SW Egger Rd.Hillsboro, OR 97123 (503) 628-7829 Learn More | Visit Site | Show on Map Amaterra Winery _ 8150 SW Swede Hill DrivePortland, OR 97225 (503) 961-6057 Learn More | Visit Site | Show on Map If your business isn't here, contact us today to get listed!