| William A. Clark House | |
|---|---|
 Main frontage along East 77th Street | |
 | |
| General information | |
| Status | Demolished |
| Type | Residence |
| Architectural style | Beaux-Arts Châteauesque |
| Location | Manhattan, New York, United States |
| Address | 962 Fifth Avenue |
| Construction started | 1897 |
| Completed | 1911 |
| Demolished | 1927 |
| Cost | $7 million (equivalent to $228,900,000 in 2023) |
| Client | William A. Clark |
| Design and construction | |
| Architect(s) | Austin W. Lord J. Monroe Hewlett[1] Washington Hull |
The William A. Clark House, nicknamed "Clark's Folly",[2] was a mansion located at 962 Fifth Avenue on the northeast corner of its intersection with East 77th Street on the Upper East Side of Manhattan, New York City. It was demolished in 1927 and replaced with a luxury apartment building (960 Fifth Avenue).