Built in 1925 and designed by Schwartz & Gross, 1111 Park is one of the most sought-after pre-war cooperative builidngs in Carnegie Hill. Located on the southeast corner of 90th Street and Park Avenue, 1111 Park is known for its large apartments and gracious layouts. The building has 14 floors and 80 apartments. Louis Auchincloss, the writer and chronicler of patrician life on the Upper East Side, lived here until his death in 2010. There is a gym and private storage. Pet friendly