Rank |
Square footage | Name | Location | Built by | Owner | Year completed | Architectural style | Architect | Image |
1 | 135,280[1] | Biltmore House | Asheville, North Carolina | George Washington Vanderbilt II | William A.V. Cecil | 1895 | Châteauesque | Richard Morris Hunt | |
2 | 115,000 [2] | Oheka Castle | Huntington, New York | Otto Hermann Kahn | Gary Melius | 1919 | Châteauesque | Delano and Aldrich | |
| 100,000 | Whitemarsh Hall | Wyndmoor, Pennsylvania | Edward T. Stotesbury | (demolished in 1980) | 1917 | Beaux-Arts | Horace Trumbauer | |
3 | 97,188[3] | Arden House | Harriman, New York | Edward Henry Harriman | Research Center on Natural Conservation | 1909 | Châteauesque | Carrère and Hastings | |
4 | 96,582 | Winterthur | Winterthur, Delaware | Henry Francis du Pont | Winterthur Museum, Garden and Library | 1932 | Georgian Revival | Henry Francis du Pont | |
| 90,000 | Cornelius Vanderbilt II House | New York, New York | Cornelius Vanderbilt II | (demolished in 1926) | 1882 | Châteauesque | George B. Post | |
5 | 90,000 | Shadow Lawn | West Long Branch, New Jersey | Hubert Templeton Parson | Monmouth University | 1927 | Beaux-Arts | Horace Trumbauer | |
| 90,000[4] | Versailles | Windermere, Florida | David A. Siegel | (under construction) | 2015 | Châteauesque | | |
6 | 88,000 | Meadow Brook Hall | Rochester Hills, Michigan | Matilda Dodge Wilson | Oakland University | 1929 | Tudor Revival | Smith Hinchman & Grylls | |
7 | 80,000 | Florham | Florham Park, New Jersey | Hamilton McKown Twombly | Fairleigh Dickinson University | 1897 | Georgian Revival | McKim Mead & White |
| 80,000 | Harbor Hill | Roslyn, New York | Clarence Hungerford Mackay | (demolished in 1947) | 1899 | Châteauesque | McKim Mead & White | |
8 | 77,000[5] | Dumbarton Oaks | Washington, D.C. | William Hammond Dorsey | Harvard University | 1801 | Colonial Revival | | |
9 | 75,000 | Indian Neck Hall | Oakdale, New York | Frederick Gilbert Bourne | St. John's University | 1908 | Federal Style | Ernest Flagg | |
| 72,215 [6][7][8] | Pensmore | Highlandville, Missouri | Steven T. Huff | (under construction) | 2016 | Châteauesque | |
| 72,000[9] | Inisfada | North Hills, New York | Nicholas Frederic Brady | (demolished in 2013) | 1919 | Tudor Revival | John Torrey Windrim |
10 | 70,000[10] | Woodlea | Briarcliff Manor, New York | Margaret Louisa Vanderbilt Shepard | Sleepy Hollow Country Club | 1895 | Georgian Revival | Stanford White | |
10 | 70,000 | Idle Hour | Oakdale, New York | William K. Vanderbilt | Dowling College | 1901 | English Country Style | Richard Howland Hunt | |
12 | 68,500[11] | Hearst Castle | San Simeon, California | William Randolph Hearst | California Department of Parks and Recreation | 1947 | Spanish Colonial Revival | Julia Morgan | |
13 | 66,341[12] | Grey Towers Castle | Glenside, Pennsylvania | William Welsh Harrison | Arcadia University | 1896 | Gothic Revival | Horace Trumbauer | |
14 | 64,389[13] | Fairfield | Sagaponack, New York | Ira Rennert | Ira Rennert | 2003 | Italian Renaissance | Ferguson and Shamamian | |
15 | 62,500 [14] | Mar-A-Lago | Palm Beach, Florida | Marjorie Merriweather Post | Donald Trump | 1927 | Spanish Colonial Revival | Marion Sims Wyeth, Joseph Urban | |
16 | 62,482[15] | The Breakers | Newport Rhode Island | Cornelius Vanderbilt II | Preservation Society of Newport County | 1895 | Italian Renaissance | Richard Morris Hunt | |
17 | 62,272[16] | Lynnewood Hall | Elkins Park, Pennsylvania | Peter A. B. Widener | Richard Yoon | 1900 | Neoclassical | Horace Trumbauer | |
18 | 60,000 | Whitehall | Palm Beach, Florida | Henry Morrison Flagler | Henry Morrison Flagler Museum | 1902 | Beaux-Arts | Carrère and Hastings | |
| 60,000 | Pembroke | Glen Cove, New York | Joseph De Lamar | (demolished in 1968) | 1916 | Neoclassical | C.P.H. Gilbert |
| 60,000 | El Mirasol | Palm Beach, Florida | Edward T. Stotesbury | (demolished in 1958) | 1920 | Spanish Colonial Revival | Addison Mizner | |
19 | 58,000[17] | Duke Farms | Hillsborough Township, New Jersey | James Buchanan Duke | Duke Farms Foundation | 1903 | Tudor Revival | Henry H. Kendall |
20 | 57,000[18] | Eschman Meadows | Nashport, Ohio | Tami Longaberger | | 2001 | Georgian | George Acock Phil White |
21 | 56,881 | Castle Hill | Ipswich, Massachusetts | Richard Crane | The Trustees of Reservations | 1928 | English Baroque | David Adler | |
22 | 56,368[19] | Andrew Carnegie Mansion | New York, New York | Andrew Carnegie | Smithsonian Institution | 1901 | Georgian Revival | Babb, Cook & Willard | |
23 | 56,000[20] | Blairsden | Peapack-Gladstone, New Jersey | Clinton Ledyard Blair | T. Eric Galloway[21] | 1903 | Châteauesque | Carrère and Hastings |
24 | 55,764[22] | Anderson House | Washington, D.C. | Larz Anderson | Society of the Cincinnati | 1905 | Beaux-Arts | Arthur Little Herbert Browne | |
25 | 55,360 | Ralston Hall | Belmont, California | William Chapman Ralston | Notre Dame de Namur University | 1864 | Italianate | Henry W. Cleaveland | |
26 | 55,000 | White House | Washington, D.C. | United States of America | National Park Service | 1800 | Neoclassical | James Hoban | |
| 55,000 | Belle Grove | White Castle, Louisiana | John Andrews | (demolished in 1952) | 1857 | Greek Revival Italianate | Henry Howard | |
26 | 55,000 | Elm Court | Lenox, Massachusetts | Emily Thorn Vanderbilt | | 1885 | American Shingle Style | Peabody and Stearns | |
28 | 54,400[23] | 7 Montagel Way | Shoal Creek, Alabama | Larry House | Larry House | 1997[24] | Châteauesque | Bill Shephard[25] |
29 | 54,246[26] | Searles Castle | Great Barrington, Massachusetts | Mary Hopkins Searles | John Dewey Academy | 1883 | Châteauesque | McKim Mead & White | |
30 | 53,000 | Nottoway | White Castle, Louisiana | John Hampden Randolph | Paul Ramsay | 1858 | Greek Revival Italianate | Henry Howard | |
31 | 52,897[27] | Hala Ranch | Aspen, Colorado | Bandar bin Sultan | John Paulson | 1991 | Rustic | Hagman Yaw |
32 | 52,503[28] | The Manor | Los Angeles, California | Aaron Spelling | Petra Ecclestone [29] | 1988 | Châteauesque | James Langenheim & Associates | |
33 | 52,300[30] | Felix M. Warburg House | New York, New York | Felix M. Warburg | Jewish Museum of New York | 1906 | Châteauesque | Charles Pierrepont Henry Gilbert | |
34 | 51,134[31] | Stan Hywet Hall | Akron, Ohio | Frank Seiberling | Stan Hywet Hall Foundation | 1915 | Tudor Revival | Charles Sumner Schneider | |
35 | 51,000[32] | Hacienda De La Paz | Rolling Hills, California | John Z. Blazevich | John Z. Blazevich | 2008 | Spanish Colonial Revival | Rafael Manzano Martos |
36 | 50,853 | Chase Mansion | West Hartford, Connecticut | Arnold Chase | Arnold Chase | 2009 | Georgian | Allan Greenberg Architect, LLC |
37 | 50,729[33] | Perry Belmont House | Washington, D.C. | Perry Belmont | Order of the Eastern Star | 1909 | Beaux-Arts | Ernest Sanson Horace Trumbauer | |
38 | 50,316[34] | Otto H. Kahn House | New York, New York | Otto Hermann Kahn | Convent of the Sacred Heart | 1914 | Renaissance Revival | J. Armstrong Stenhouse Charles Pierrepont Henry Gilbert | |
39 | 50,000 | Reid Hall | Purchase, New York | Whitelaw Reid | Manhattanville College | 1892 | Tudor Revival | Stanford White | |
| 50,000 | Wingwood House | Bar Harbor, Maine | Alexander Cassatt | (demolished in 1953) | 1903 | Neoclassical | Louis Magaziner |
| 50,000 | Riverside | New York, New York | Charles M. Schwab | (demolished in 1948) | 1906 | Châteauesque | Maurice Hébert | |
39 | 50,000[35] | Hempstead House | Sands Point, New York | Howard Gould | Nassau County, New York | 1912 | Tudor Revival | Richard Howland Hunt | |
40 | 49,951 | Chateau Bray | Madisonville, Texas | Jim Waller | (under construction) | 2016 | French Baroque | Rick Fonseca AIBD | |
41 | 49,568[36] | 8271 E Left Hand Fork Hobble Creek | Springville, Utah | Tom Mower | Tom Mower | 2010 | Italian Renaissance | |
42 | 49,300[37] | 1261 N Angelo Drive | Los Angeles, California | Anthony Pritzker | Anthony Pritzker | 2010 | Contemporary | Grant Camden Kirkpatrick |
43 | 48,515[38] | 50 Poplar Hill Drive | Farmington, Connecticut | Benjamin Sisti[39] | Curtis Jackson[40] | 1985 | Contemporary | |
44 | 48,160[41] | Xanadu 2.0 | Medina, Washington | Bill Gates | Bill Gates | 1995 | Pacific Lodge | James Cutler | |
45 | 47,000 | Nemours | Wilmington, Delaware | Alfred I. du Pont | Nemours Foundation | 1909 | Neoclassical | Carrère and Hastings | |
46 | 46,054[42] | Greystone Mansion | Beverly Hills, California | Edward L. Doheny | City of Beverly Hills | 1928 | Tudor Revival | Gordon Kaufmann | |
47 | 46,000[43] | Elstowe Manor | Elkins Park, Pennsylvania | William L. Elkins | Dominican Sisters of St. Catherine de' Ricci | 1898 | Italian Renaissance | Horace Trumbauer | |
48 | 45,891[44] | 457 Bel Air Road | Los Angeles, California | Beny Alagem | Beny Alagem | 2006 | | Robert A.M. Stern[45] |
49 | 45,854[46] | Villa Collina | Moorestown, New Jersey | Vernon Hill | Vernon Hill | 2002 | Italian Renaissance[46] | |
50 | 45,842[47] | Townsend House | Washington, D.C. | Richard T. Townsend | Cosmos Club | 1901 | Beaux-Arts | Carrère and Hastings | |
51 | 45,000[48] |
Yaddo | Saratoga Springs, New York | Spencer Trask | Corporation of Yaddo | 1893 | Tudor Revival | William Halsey Wood | |
51 | 45,000[49] |
Darlington | Mahwah, New Jersey | George Crocker | Ilija Pavlovic[50] | 1907 | Jacobean | James Brite |
51 | 45,000[51] |
Henry Clay Frick House | New York, New York | Henry Clay Frick | Frick Collection | 1914 | Beaux-Arts | Carrère and Hastings | |
54 | 44,925 | Le Palais | Beverly Hills, California | Mohamed Hadid | Lola Karimova-Tillyaeva[52] | 2011 | Châteauesque | |
55 | 44,309[53] | Glencairn | Bryn Athyn, Pennsylvania | Raymond Pitcairn | The New Church | 1929 | Romanesque | Raymond Pitcairn | |
56 | 44,234[54] | Villa Vittoriosa | Fayetteville, Georgia | Evander Holyfield | Rick Ross[55] | 1994 | Neoclassical | Portman Fuchtman Vinson Sunderland |
57 | 44,229[56] | Ochre Court | Newport, Rhode Island | Ogden Goelet | Salve Regina University | 1892 | Châteauesque | Richard Morris Hunt | |
58 | 44,000[57] | Hyde Park | Hyde Park, New York | Frederick Vanderbilt | National Park Service | 1899 | Beaux-Arts | Charles Follen McKim | |
59 | 43,793[58] | Boldt Castle | Alexandria Bay, New York | George Boldt | Thousand Islands Bridge Authority | 1904 | Chateauesque | G.W. & W.D. Hewitt | |
60 | 43,561[59] | Marland Mansion | Ponca City, Oklahoma | Ernest Whitworth Marland | City of Ponca City | 1928 | Mediterranean Revival | John Duncan Forsyth | |
61 | 43,517[60] | Asherwood | Carmel, Indiana | Melvin Simon | Bren Simon | 1999 | Chateauesque | |
62 | 42,831[61] | Château des Fleurs | Los Angeles, California | James A. Kaplan | James A. Kaplan | 2014 | Chateauesque | William Hefner |
63 | 42,014[62] | 51 Winding Brook Drive | Saratoga Springs, New York | John Breyo | John Breyo | 2006 | Mediterranean Revival | Robert Flansburg[63] |
64 | 42,000 | Payne Mansion | Esopus, New York | Oliver Hazard Payne | Marist College | 1911 | Beaux-Arts | Carrère and Hastings | |
| 42,000 | Rose Terrace | Grosse Pointe Farms, Michigan | Anna Thompson Dodge | (demolished in 1976) | 1931 | Neoclassical | Horace Trumbauer | |
65 | 41,774[64] | Le Palais Royal | Hillsboro Beach, Florida | Robert Pereira[65] | Robert Pereira | 2014 | Beaux-Arts | Denio Madera |
66 | 41,050[66] | Carolands | Hillsborough, California | Harriet Pullman Carolan | Charles Bartlett Johnson | 1914 | Beaux Arts - Second Empire | Ernest Sanson Willis Polk | |
67 | 41,000[67] | Hayes Mansion | San Jose, California | Mary Hayes Chynoweth | City of San Jose | 1905 | Mediterranean Revival | George Page | |
67 | 41,000[68] | NYIT de Seversky Mansion | Old Westbury, New York | Alfred I. du Pont | New York Institute of Technology | 1918 | Georgian Revival | Carrère and Hastings | |
69 | 40,916[69] | Il Palmetto | Palm Beach, Florida | Joseph E. Widener | James H. Clark | 1927 | Mediterranean Revival | Maurice Fatio |
70 | 40,280[70] | Walker McCune Mansion | Paradise Valley, Arizona | Walker McCune | George A. Hormel family | 1962 | Contemporary | |
71 | 40,000 | Mills Mansion | Hyde Park, New York | Ogden Mills | New York State Office of Parks, Recreation and Historic Preservation | 1896 | Beaux-Arts | Stanford White | |
71 | 40,000 | The Braes | Glen Cove, New York | Herbert L. Pratt | Webb Institute | 1912 | Jacobean | James Brite | |
71 | 40,000 | Coe Hall | Oyster Bay, New York | William Robertson Coe | Planting Fields Foundation | 1921 | Tudor Revival | Guy Lowell | |
71 | 40,000[71] | Rynwood | Old Brookville, New York | Samuel Agar Salvage | John Mariani Jr | 1927 | Tudor Revival | Roger Bullard | |
75 | 39,648[72] | Seaview Terrace | Newport, Rhode Island | Edson Bradley | Martin Carey | 1925 | Chateauesque | Howard Greenley | |
76 | 39,576[73] | La Reverie | Palm Beach, Florida | Sydell Miller | Sydell Miller | 2001 | Neoclassical | Jeffrey W. Smith |
77 | 39,257[74] | Serenity Ridge | Parker, Colorado | Cal Turner, Jr | Cal Turner, Jr | 2001 | Italianate | |
78 | 38,196[75] | 144 Hopewell Road | Alton, New Hampshire | Bob Bahre | Bob Bahre | 2003 | Georgian | |
79 | 36,957[76] | Arbor Hill | Fort Washington, Pennsylvania | Dennis Alter | Dennis Alter | 1998 | Contemporary | Rafael Viñoly[77] |
80 | 36,800[78] | Shelburne House | Shelburne, Vermont | Eliza Osgood Vanderbilt Webb | Shelburne Farms, Inc | 1887 | Tudor Revival | Robert Henderson Robertson |
81 | 36,720[79] | Villa Collina | Knoxville, Tennessee | Michael Conley | Scott Boruff | 2000 | Italianate | Karengaye Johnson |
82 | 36,630[80] | Champ d'Or | Hickory Creek, Texas | Alan Goldfield | Zaffar Tabani[81] | 2002 | Chateauesque | Terry Bates[82] |
83 | 36,000[83] | Filoli | Woodside, California | William Bowers Bourn II | National Trust for Historic Preservation | 1917 | Georgian | Willis Polk | |
83 | 36,000 | Kykuit | Mt. Pleasant, New York | John D. Rockefeller | National Trust for Historic Preservation | 1913 | Neoclassical | Chester Holmes Aldrich William Adams Delano | |
85 | 35,796[84] | 1156 Shadow Hill Way | Beverly Hills, California | | Daniel Mani | 1991 | Neoclassical | |
86 | 35,721[85] | Le Rêve | Cumming, Georgia | Hubert Humphrey | Richard Jackson | 2005 | Chateauesque | Norman Askins |
87 | 35,378[86] | Le Belvédère | Los Angeles, California | Mohamed Hadid [87] | | 2006 | Chateauesque | |
88 | 35,046[86] | Fleur de Lys | Los Angeles, California | David I. Saperstein | Michael Milken[88] | 2001 | Chateauesque | F. Richardson Robertson III |
89 | 35,000 | Corinthian Hall | Kansas City, Missouri | Robert A. Long | Kansas City Museum Association | 1909 | Beaux-Arts | Henry Ford Hoit | |
89 | 35,000 | Alder Manor | Yonkers, New York | William Boyce Thompson | Lela Goren[89] | 1912 | Beaux-Arts | Carrère and Hastings | |
89 | 35,000 | Villa Philbrook | Tulsa, Oklahoma | Waite Phillips | City of Tulsa | 1927 | Italian Renaissance | Edward Buehler Delk | |
92 | 34,966 | Huntington Mansion | San Marino, California | Henry E. Huntington | The Huntington Library, Art Collections, and Botanical Gardens | 1923 | Beaux-Arts | Myron Hunt | |
93 | 34,255[90] | 4700 Preston Road | Dallas, Texas | Hugh Prather[91] | Harlan Crow | 1917 | Georgian | Anton Korn |
94 | 34,203[92] | 1299 Via Tivoli | Henderson, Nevada | Pierre Omidyar | Pierre Omidyar | 2006 | Contemporary | |
95 | 33,336[93] | Maison de L'Amitie | Palm Beach, Florida | Abraham Gosman | Dmitry Rybolovlev | 1990 | Italian Renaissance | | |
96 | 33,326[94] | 7013 Natelli Woods Lane | Bethesda, Maryland | Rashid Chaudary [95] | Rashid Chaudary | 1995 | Neoclassical | Michael Schwartzman |
97 | 33,000[96] | Natirar | Peapack-Gladstone, New Jersey | Kate Macy Ladd | Somerset County | 1912 | Tudor Revival | Guy Lowell | |
98 | 32,683[97] | 2700 Point Lane | Highland Park, Illinois | Michael Jordan[98] | Michael Jordan | 1995 | Contemporary | |
99 | 31,931 | Norton Manor | Potomac, Maryland | Frank Islam[99] | Frank Islam | 2013 | Neoclassical | Chatelain Architects |
100 | 31,770[100] | Fair Lane | Dearborn, Michigan | Henry Ford | Historic Ford Estates | 1915 | Baronial, Prairie | William Van Tine Marion Mahony Griffin | |
101 | 31,487[101] | Glenmere | Chester, New York | Robert Wilson Goelet | Peter Klein | 1911 | Italianate | Carrère and Hastings |
102 | 31,415[102] | 1288 S Oakland Avenue | Pasadena, California | Pen Chang Hung | Pen Chang Hung | 1991 | Neoclassical | Warner & Gray |
103 | 31,401[103] | The Elms | Newport, Rhode Island | Edward Julius Berwind | Preservation Society of Newport County | 1901 | Classical Revival | Horace Trumbauer | |
104 | 31,335[104] | 49 N Beverly Park Circle | Los Angeles, California | Alec Gores | Alec Gores | 2007 | Chateauesque | Richard Landry |
105 | 31,089[105] | James B. Duke House | New York, New York | James Buchanan Duke | New York University | 1909 | Beaux-Arts | Horace Trumbauer | |
106 | 31,027[106] | Villa Bellissima | Sandy, Utah | James Jensen | James Jensen | 2009 | Neoclassical | Beech Walker Architects |
107 | 30,982[107] | Miramar | Newport, Rhode Island | Eleanor Elkins Widener | David Ford[108] | 1915 | Neoclassical | Horace Trumbauer | |
108 | 30,717[109] | DanMar Manor | The Woodlands, Texas | Danny Spence | Danny Spence | 2006 | Chateauesque | |
109 | 30,652[110] | 841 Merion Square Road | Gladwyne, Pennsylvania | Vahan Gureghian | Vahan Gureghian | 2007 | Chateauesque | Frederick L. Bissinger Jr. |
110 | 30,406[111] | 677 N Faring Road | Los Angeles, California | Victor Haddox | Victor Haddox | 1997 | Italianate | |
111 | 30,172[112] | Chateau Deux Sources | Ladue, Missouri | Dennis M. Jones | Dennis M. Jones | 1999 | Chateauesque | Scott Krejci[113] |
112 | 30,106[114] | 4157 Idlebrook Drive | Akron, Ohio | LeBron James | LeBron James | 2007 | Contemporary | Robert Porter[115] |
113 | 30,000 | Coindre Hall | Huntington, New York | George McKesson Brown | Suffolk County, New York | 1910 | Châteauesque | Clarence Luce | |