Hills–DeCaro House, Oak Park. designed by Frank Lloyd Wright

The Edward R. Hills House, also known as the Hills–DeCaro House, is a residence located at 313 Forest Avenue in the Chicago suburb of Oak Park, Illinois. It is most notable for a 1906 remodel by architect Frank Lloyd Wright in his signature Prairie style. The Hills–DeCaro House represents the melding of two distinct phases in Wright's career; it contains many elements of both the Prairie style and the designs with which Wright experimented throughout the 1890s.