Multi-family Townhouse in the Heart of the Upper East Side. 125 East 69th Street is a distinguished 20-foot-wide, five-story, multi-family townhouse located on a charming tree-lined street just off Park Avenue. Designed in 1872 by architect John Sexton and developed by Christopher Keyes, the home boasts an ornamental limestone and brick façade, complete with a delicately carved portico entrance. ...