National Historic Register properties in Adams county/parish, Washington

• Spokane, Portland and Seattle Railway Company-Cow Creek Viaduct (Ankeny)
• Strap Iron Corral (Hooper)
• Seivers Brothers Ranchhouse and Barn (Lind)
• Denver and Rio Grande Western Railroad Business Car No. 101 (Othello)
• Adams County Courthouse (Ritzville)
• Burroughs, Dr. Frank R., House (Ritzville)
• Greene, Nelson H., House (Ritzville)
• Ritzville Carnegie Library (Ritzville)
• Ritzville High School (Ritzville)
• Ritzville Historic District (Ritzville)
• Bassett Hardware Co. Store (Washtucna)
• Spokane, Portland and Seattle Railway Company Bridge 291.4-O.W.R.&N. Crossing-Washtucna (Washtucna)