William A. Clark House, Beaux-Arts mansion in Upper East Side, Manhattan, United States
The mansion extended 250 feet along 77th Street and 77 feet along Fifth Avenue, featuring 121 rooms across nine stories and a four-sided tower.
Construction of the mansion began in 1897 under William A. Clark's commission and reached completion in 1911, with costs escalating to 7 million dollars.
The mansion contained four art galleries displaying works by Delacroix and Constable, plus a 95-foot-long gallery housing the largest chamber organ in America.
The residence included 31 bathrooms, 25 guest rooms, 35 servant quarters, and an underground rail system for coal transportation to the building.
Clark purchased a New Hampshire quarry and constructed a railroad specifically to transport stone materials for the mansion's construction.
Location: Manhattan
Inception: 1911
Architects: Austin W. Lord, James Monroe Hewlett
Architectural style: Beaux-Arts
GPS coordinates: 40.77520,-73.96470
Latest update: May 27, 2025 09:55
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