DuPont-Guest Estate | |
 South façade with the front entrance | |
   | |
| Location | South side of Northern Blvd. between Cotillion Ct. & DuPont Ct., Brookville, New York |
|---|---|
| Coordinates | 40°48′32.31″N 73°36′53.23″W / 40.8089750°N 73.6147861°W |
| Area | 44.24 acres (17.90 ha) |
| Built | 1916 |
| Architect | Carrère and Hastings |
| Architectural style | Georgian Revival |
| NRHP reference No. | 09001084[1] |
| Added to NRHP | December 11, 2009 |
The DuPont-Guest Estate, now known as the NYIT de Seversky Mansion, is a historic estate located at Brookville in Nassau County, New York. Since 1972, it has been part of the Old Westbury campus of the New York Institute of Technology (NYIT).
- ^ "National Register of Historic Places". WEEKLY LIST OF ACTIONS TAKEN ON PROPERTIES: 12/07/09 THROUGH 12/11/09. National Park Service. December 18, 2009.