Rank |
Square Footage |
Name |
Location |
Owner |
Year Completed |
Architectural Style |
Architect |
1 |
135,000 |
Biltmore Estate |
Asheville, North Carolina |
William A.V. Cecil |
1895 |
Châteauesque |
Richard Morris Hunt |
2 |
109,000[2] |
Oheka Castle |
Huntington, New York |
Gary Melius |
1919 |
Châteauesque |
Delano and Aldrich |
3 |
90,000[3][4] |
Versailles |
Windermere, Florida |
David A. Siegel |
under construction |
French Provincial |
|
4 |
72,215 [5][6][7] |
Pensmore[8] |
Highlandville, Missouri |
Steven T. Huff |
under construction |
Châteauesque |
|
5 |
66,395 (main house)[9][10][11] |
Fairfield |
Sagaponack, New York |
Ira Rennert |
2003 |
|
|
6 |
66,000[12] |
Xanadu 2.0 |
Medina, Washington |
Bill Gates |
1995 |
Pacific lodge |
James Cutler |
7 |
61,774[13] |
Maison de L'Amitie |
Palm Beach, Florida |
Dmitry Rybolovlev |
1990 |
|
|
8 |
61,403[14][15][16] |
51 Winding Brook Drive |
Saratoga Springs, New York |
John Breyo |
|
|
|
9 |
57,000[17][18] |
Eschman Meadows |
Nashport, Ohio |
Tami Longaberger |
2001 |
Georgian |
George Acock, Phil White |
10 |
56,500[19][20] |
The Manor |
Beverly Hills, California |
Petra Ecclestone |
1988 |
|
James Langenheim & Associates |
11 |
52,800[21] |
Walker McCune Mansion |
Paradise Valley, Arizona |
Family of George A. Hormel |
1962[22] |
|
|
12 |
50,000[23][24] |
7 Montagel Way |
Birmingham, Alabama |
Larry House |
1997[25] |
|
|
13 |
48,515[26] |
50 Poplar Hill Drive |
Farmington, Connecticut |
Curtis Jackson[27] |
1985[28] |
|
|
14 |
48,000[29] |
Le Belvedere |
Los Angeles, California |
|
2006 |
|
|
15 |
45,000[30] |
Fleur de Lys |
Los Angeles, California |
Suzanne Saperstein |
2001 |
|
|
16 |
43,000[31] |
9505 Lania Lane[32] |
Beverly Hills, California |
Jeff Greene |
2002 |
|
Bob Offenhauser |
17 |
42,709[33][34] |
Paradisio del Mar[33] |
Manalapan, Florida |
Tom Gerrard |
1989 |
|
Randall Keller |
18 |
42,471[35] |
Evans Ridge Estate[36] |
Parker, Colorado |
|
1998 |
|
|
19 |
41,000[37][38] |
Meadowbrook Drive |
Burr Ridge, Illinois |
Nick Memeti |
under construction |
|
Rob Kirk |
20 |
40,000[39][40] |
5 Lakeview Court |
Lake St. Louis, Missouri |
Harold C. Lewis[41] |
2010 |
Châteauesque |
|