The El Dorado is a cooperative apartment building at 300 Central Park West between 90th and 91st Streets adjacent to Central Park on the Upper West Side in Manhattan, NYC.  It was constructed from 1929 to 1931 and was designed by Margon & Holder and consulting architect Emery Roth in the Art Deco style. The El Dorado is 30 stories tall, with twin towers rising from a 19-story base. The building is a contributing property to the Central Park West Historic District, is listed on National Register of Historic Places, and is a New Yrk City designated Landmark.