This magnificent mansion, built in 1909 by William Tuthill—the architect who designed Carnegie Hall, is presently the only free-standing single-family mansion in Manhattan. It is an exquisite French Renaissance jewel box executed in pristine white marble boasting deep-green roof tiles and bronze grills on the balconies and at the main entrance. The building is 41 feet wide and 73 feet deep surrounded by private grounds and located on a corner lot overlooking the Hudson River. The Interior is approximately 12,000 square feet comprised of four stories plus an English basement. An extraordinary amount of unique original detail       >> View Expanded Text