Directions to Pendleton Sanitary Service, Inc. Directions to Pendleton Sanitary Service, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Utilities Pendleton Sanitary Service, Inc. 5500 NW Rieth RoadPO Box 1405Pendleton, OR 97801 | map (541) 276-1271 Visit Site Get directions to: Pendleton Sanitary Service, Inc., 5500 NW Rieth Road, Pendleton OR Get directions from: Click to Print This Page