The 45-room manor was built in the style of Italian High Renaissance. The unique interior features, such as the ornately carved wood and gilded molding, marble columns and accents, frescoed ceilings, gargoyles and the like, were crafted in Europe and shipped to the United States, where they were assembled on site. The interior was designed by renowned French interior decor experts Allard et Fils, which accounts for the distinctly French feel in some of the rooms. The home is anchored on either side by a large library and drawing-room. Between these are two wings, one containing a breakfast room and dining room and the other a billiard room and den, with a separate wing leading to a large gallery. These wings all lead to a grand staircase in the center of the house. The second floor has nine bedrooms, three dressing rooms, and seven baths. The third floor and raised basement are servant quarters. With the mansion, Trumbauer also designed the wrought-iron gates at the entrance to the estate along with a small gatehouse, a powerhouse, and an eight-car garage.