| Florham | |
|---|---|
 The mansion at Florham, now the centerpiece of Fairleigh Dickinson University | |
 | |
| General information | |
| Architectural style | English Baroque Revival |
| Address | 285 Madison Avenue, Madison, New Jersey 07940 |
| Completed | 1899 |
| Owner | Fairleigh Dickinson University |
| Design and construction | |
| Architecture firm | McKim, Mead & White |
| Other designers | Frederick Law Olmsted, Thomas Edison |
| Other information | |
| Number of rooms | 110 |
Florham is a former Vanderbilt estate that is located in Madison and Florham Park, New Jersey. It was built during the 1890s for Hamilton McKown Twombly and his wife, Florence Adele Vanderbilt, a member of the Vanderbilt family. Now part of the Florham Campus of Fairleigh Dickinson University, the mansion is one of the ten largest houses in the United States.