Winnetka Heights is one of the oldest and largest historical districts in the Oak Cliff section of Dallas, Texas (USA). The district is bounded by Davis Street ( SH 180) on the north, 12th Street on the south, Willomet Avenue on the east and Rosemont Avenue on the west. Established in 1910, Winnetka Heights consists of early 20th century wood-frame houses (two-story 4-square and single story prairie style homes predominate).