The Belle Ainsworth Jenkins Estate, located near Beaverton, Oregon, United States, is listed on the National Register of Historic Places. Built starting in 1912, the main house on the property was intended as a summer home. The entire 68-acre (28 ha) estate is owned by the Tualatin Hills Park & Recreation District (THPRD). The estate has eight buildings, including the main home and a farmhouse built in 1880.