The Knickerbocker Apartments were located at 501-535 Knickerbocker Place in the Valentine Neighborhood of Kansas City, Missouri. The Late 19th and 20th Century Revival style building was designed by Leon Grant Middaugh and J.A. Rose, and was built in 1909. It is significant for its architecture, and was added to the National Register of Historic Places in 2003. It was demolished in 2020.