List of largest houses in the United States
Across the United States, an impressive array of residences stands as monumental testaments to wealth, ambition, and architectural grandeur. These aren't just large homes; they are sprawling estates, many spanning tens of thousands of square feet, built by some of the most influential figures in American history. From Gilded Age palaces to contemporary compounds, these magnificent structures tell fascinating stories of their creators and the eras they represent. America's largest homes showcase a remarkable journey through architectural history, from opulent Gilded Age châteaux to cutting-edge modern designs. Many of these colossal residences, originally built for industrial titans, have transitioned into public institutions, preserving their grandeur for future generations. The sheer scale of these properties often reflects the immense fortunes of their builders, transforming private dwellings into enduring symbols of American prosperity and power.
AI Summary
Across the United States, an impressive array of residences stands as monumental testaments to wealth, ambition, and architectural grandeur. These aren't just large homes; they are sprawling estates, many spanning tens of thousands of square feet, built by some of the most influential figures in American history. From Gilded Age palaces to contemporary compounds, these magnificent structures tell fascinating stories of their creators and the eras they represent.
- America's largest homes showcase a remarkable journey through architectural history, from opulent Gilded Age châteaux to cutting-edge modern designs.
- Many of these colossal residences, originally built for industrial titans, have transitioned into public institutions, preserving their grandeur for future generations.
- The sheer scale of these properties often reflects the immense fortunes of their builders, transforming private dwellings into enduring symbols of American prosperity and power.
America's Grandest Residences
Welcome to a tour of the United States' most expansive homes, where sheer square footage meets breathtaking design. These are not your average residences; we're talking about properties that measure tens of thousands of square feet, sometimes even over a hundred thousand, challenging our very notion of a 'house.'
The Reigning Giant: Biltmore Estate
At the pinnacle of American residential grandeur sits the Biltmore Estate in Asheville, North Carolina. Completed in 1895 for George Washington Vanderbilt II, this Châteauesque masterpiece spans an astonishing 178,926 square feet. It's not just a house; it's a sprawling village, complete with elaborate gardens designed by Frederick Law Olmsted.
Gilded Age Palaces
The late 19th and early 20th centuries, known as the Gilded Age, were a golden era for colossal private residences. Tycoons like the Vanderbilts, Widener, and Kahn commissioned architects to create European-inspired palaces that would rival royalty. These homes were status symbols, showcasing immense wealth and influence.
Take Lynnewood Hall in Elkins Park, Pennsylvania, for instance. At nearly 110,000 square feet, this Neoclassical marvel was built for Peter A. B. Widener, a prominent industrialist. Similarly, Oheka Castle on Long Island, a 109,000-square-foot Châteauesque estate, was the vision of financier Otto Hermann Kahn.
A Feast for the Eyes: Architectural Styles
Among the most popular styles for these early megamansions was 'Châteauesque,' a nod to the grand French châteaux of the Loire Valley. Its ornate turrets, steep roofs, and intricate stonework evoke a sense of fairytale luxury. The Biltmore Estate, Oheka Castle, and even the Cornelius Vanderbilt II House in New York City embraced this dramatic aesthetic.
Other prevalent styles included Neoclassical, with its imposing columns and balanced symmetry, and Beaux-Arts, known for its grand scale and classical details. Many of these styles reflected a desire among America's elite to emulate European aristocracy, blending old-world elegance with new-world ambition.
Modern Megamansions
The appetite for monumental homes didn't end with the Gilded Age. Fast forward to the 21st century, and we find 'The One' in Bel Air, Los Angeles. Completed in 2021, this contemporary behemoth measures 105,000 square feet, making it one of the largest and most expensive private residences ever built in the United States.
From tech moguls to celebrities, today's titans continue the tradition. Bill Gates's Medina, Washington home, completed in 1995, is a sprawling 66,000 square feet, designed with advanced technology woven into its 'Pacific Lodge' style. These modern homes often push boundaries in sustainability, smart technology, and minimalist design.
Another contemporary example is 'Versailles' in Windermere, Florida, an 85,000-square-foot Châteauesque-style estate that has been under construction for years, symbolizing a modern pursuit of extravagant European-inspired luxury.
From Private Home to Public Legacy
Remarkably, many of these monumental homes have transitioned from private family residences to public institutions. Estates like Winterthur, once Henry Francis du Pont's sprawling Georgian Revival home, are now renowned museums, gardens, and libraries.
Hearst Castle in San Simeon, California, the 68,500-square-foot Spanish Colonial Revival creation of William Randolph Hearst, is now a state park. Others, such as Florham and Shadow Lawn, have found new life as university campuses, offering students a truly grand educational environment.
Lost Grandeur: Demolished Giants
Not all of these colossal houses have survived the test of time. Some, like Whitemarsh Hall and the Cornelius Vanderbilt II House, once titans of their era, were eventually demolished. Economic shifts, changing tastes, and the sheer cost of maintenance often led to their demise, reminding us that even monumental structures can be ephemeral.
A Glimpse into the Extraordinary
Whether they stand as historic landmarks, modern marvels, or poignant reminders of past eras, these largest houses in the United States offer a fascinating window into the dreams and aspirations of those who built them. They are more than just buildings; they are stories etched in stone, wood, and glass, each one a testament to an extraordinary vision of home.
Article
List of largest houses in the United States
This is a list of the largest extant and historic houses in the United States, ordered by area of the main house. The list includes houses that have been demolished, houses that are currently under construction, and buildings that are not currently, but were previously used as private homes. Inclusion on this list is restricted to houses that are 40,000 square feet (3,700 m2) or larger in total area.
Largest houses
List of largest houses in the United States
<table><thead><tr><th>Rank</th><th>Area</th><th>Name</th><th>Location</th><th>Built for</th><th>Owner</th><th>Year completed</th><th>Architectural style</th><th>Architect</th><th>Image</th></tr></thead><tbody><tr><td>1</td><td>178,926 sq ft (16,622.8 m2)</td><td>Biltmore Estate</td><td>Asheville, North Carolina</td><td>George Washington Vanderbilt II</td><td>The Biltmore Company</td><td>1895</td><td>Châteauesque</td><td>Richard Morris Hunt</td><td></td></tr><tr><td>2</td><td>174,240 sq ft (16,187 m2)</td><td>Shadow Brook</td><td>Stockbridge, Massachusetts</td><td>Anson Phelps Stokes</td><td>destroyed by fire in 1956</td><td>1893</td><td>Tudor Revival</td><td>H. Neill Wilson</td><td></td></tr><tr><td>3</td><td>109,848 sq ft (10,205.2 m2)</td><td>Lynnewood Hall</td><td>Elkins Park, Pennsylvania</td><td>Peter A. B. Widener</td><td>Lynnewood Hall Preservation Foundation</td><td>1899</td><td>Neoclassical</td><td>Horace Trumbauer</td><td></td></tr><tr><td>4</td><td>109,000 sq ft (10,100 m2)</td><td>Oheka Castle</td><td>West Hills, New York</td><td>Otto Hermann Kahn</td><td>Gary Melius</td><td>1919</td><td>Châteauesque</td><td>Delano and Aldrich</td><td></td></tr><tr><td>5</td><td>100,000 sq ft (9,300 m2)</td><td>Whitemarsh Hall</td><td>Wyndmoor, Pennsylvania</td><td>Edward T. Stotesbury</td><td>(demolished in 1980)</td><td>1917</td><td>Neoclassical</td><td>Horace Trumbauer</td><td></td></tr><tr><td>6</td><td>97,188 sq ft (9,029.1 m2)</td><td>Arden House</td><td>Harriman, New York</td><td>Edward Henry Harriman</td><td>Mo Tianquan (via Research Center on Natural Conservation)</td><td>1909</td><td>Châteauesque</td><td>Carrère and Hastings</td><td></td></tr><tr><td>7</td><td>96,582 sq ft (8,972.8 m2)</td><td>Winterthur</td><td>Winterthur, Delaware</td><td>Henry Francis du Pont</td><td>Winterthur Museum, Garden and Library</td><td>1932</td><td>Georgian Revival</td><td>Henry Francis du Pont</td><td></td></tr><tr><td>8</td><td>90,000 sq ft (8,400 m2)</td><td>Shadow Lawn</td><td>West Long Branch, New Jersey</td><td>Hubert T. Parson</td><td>Monmouth University</td><td>1927</td><td>Beaux-Arts</td><td>Horace Trumbauer</td><td></td></tr><tr><td>9</td><td>88,000 sq ft (8,200 m2)</td><td>Meadow Brook Hall</td><td>Rochester Hills, Michigan</td><td>Matilda Dodge Wilson</td><td>Oakland University</td><td>1929</td><td>Tudor Revival</td><td>Smith Hinchman & Grylls</td><td></td></tr><tr><td>10</td><td>85,000 sq ft (7,900 m2)</td><td>Versailles</td><td>Windermere, Florida</td><td>David A. Siegel</td><td>(under construction)</td><td>Châteauesque</td><td></td><td></td></tr><tr><td>11 (tie)</td><td>80,000 sq ft (7,400 m2)</td><td>Harbor Hill</td><td>Roslyn, New York</td><td>Clarence H. Mackay</td><td>(demolished in 1947)</td><td>1899</td><td>Châteauesque</td><td>McKim Mead & White</td><td></td></tr><tr><td>11 (tie)</td><td>80,000 sq ft (7,400 m2)</td><td>Coindre Hall</td><td>Huntington, New York</td><td>George McKesson Brown</td><td>Suffolk County Department of Parks, Recreation & Conservation</td><td>1910</td><td>Renaissance Revival, Châteauesque</td><td>Clarence Sumner Luce and J.V. Schafer</td><td></td></tr><tr><td>13</td><td>78,125 sq ft (7,258.1 m2)</td><td>Cornelius Vanderbilt II House</td><td>New York, New York</td><td>Cornelius Vanderbilt II</td><td>(demolished in 1926)</td><td>1882</td><td>Châteauesque</td><td>George B. Post</td><td></td></tr><tr><td>14</td><td>75,000 sq ft (7,000 m2)</td><td>Indian Neck Hall</td><td>Oakdale, New York</td><td>Frederick Gilbert Bourne</td><td>St. John's University</td><td>1908</td><td>Federal Style</td><td>Ernest Flagg</td><td></td></tr><tr><td>15</td><td>74,000 sq ft (6,900 m2)</td><td>The One</td><td>Bel Air, Los Angeles, California</td><td>Nile Niami</td><td>Richard Saghian</td><td>2021</td><td>Contemporary</td><td>Paul McClean</td><td></td></tr><tr><td>16</td><td>72,215 sq ft (6,709.0 m2)</td><td>Pensmore</td><td>Highlandville, Missouri</td><td>Steven T. Huff</td><td>2016</td><td>Châteauesque</td><td></td><td></td></tr><tr><td>17 (tie)</td><td>72,000 sq ft (6,700 m2)</td><td>Inisfada</td><td>North Hills, New York</td><td>Nicholas Frederic Brady</td><td>(demolished in 2013)</td><td>1919</td><td>Tudor Revival</td><td>John Torrey Windrim</td><td></td></tr><tr><td>17 (tie)</td><td>72,000 sq ft (6,700 m2)</td><td>Belton Court</td><td>Barrington, Rhode Island</td><td>Frederick Stanhope Peck</td><td>Shine Harmony Holdings LLC</td><td>1905 & 1927</td><td>Gothic Revival</td><td>Martin & Hall</td><td></td></tr><tr><td>18</td><td>71,568 sq ft (6,648.9 m2)</td><td>Elbridge T. Gerry Mansion</td><td>New York, New York</td><td>Elbridge Thomas Gerry</td><td>(demolished in 1929)</td><td>1895</td><td>Châteauesque</td><td>Richard Morris Hunt</td><td></td></tr><tr><td>19 (tie)</td><td>70,000 sq ft (6,500 m2)</td><td>Idle Hour</td><td>Oakdale, New York</td><td>William K. Vanderbilt</td><td>Mercury International (structure currently abandoned)</td><td>1901</td><td>English Country Style</td><td>Richard Howland Hunt</td><td></td></tr><tr><td>19 (tie)</td><td>70,000 sq ft (6,500 m2)</td><td>Woodlea</td><td>Briarcliff Manor, New York</td><td>Elliott Fitch Shepard</td><td>Sleepy Hollow Country Club</td><td>1895</td><td>Italian Renaissance Revival</td><td>McKim, Mead & White</td><td></td></tr><tr><td>21</td><td>68,500 sq ft (6,360 m2)</td><td>Hearst Castle</td><td>San Simeon, California</td><td>William Randolph Hearst</td><td>State of California</td><td>1947</td><td>Spanish Colonial Revival</td><td>Julia Morgan</td><td></td></tr><tr><td>22</td><td>66,341 sq ft (6,163.3 m2)</td><td>Grey Towers Castle</td><td>Glenside, Pennsylvania</td><td>William Welsh Harrison</td><td>Arcadia University</td><td>1896</td><td>Gothic Revival</td><td>Horace Trumbauer</td><td></td></tr><tr><td>23</td><td>66,000 sq ft (6,100 m2)</td><td>Bill Gates's house</td><td>Medina, Washington</td><td>Bill Gates</td><td>1995</td><td>Pacific Lodge</td><td>James Cutler</td><td></td></tr><tr><td>24</td><td>65,465 sq ft (6,081.9 m2)</td><td>Florham</td><td>Florham Park, New Jersey</td><td>Hamilton and Florence Vanderbilt Twombly</td><td>Fairleigh Dickinson University</td><td>1897</td><td>Georgian Revival</td><td>McKim Mead & White</td><td></td></tr><tr><td>25</td><td>65,000 sq ft (6,000 m2)</td><td>Eagle Rock</td><td>Beverly, Massachusetts</td><td>Henry Clay Frick</td><td>demolished 1969</td><td>1904</td><td>Georgian Revival</td><td>Arthur Little and Herbert W. C. Browne</td><td></td></tr><tr><td>26</td><td>64,500 sq ft (5,990 m2)</td><td>Stan Hywet Hall</td><td>Akron, Ohio</td><td>Frank Seiberling</td><td>Stan Hywet Hall Foundation</td><td>1915</td><td>Tudor Revival</td><td>Charles Sumner Schneider</td><td></td></tr><tr><td>27</td><td>64,000 sq ft (5,900 m2)</td><td>Fair Field</td><td>Sagaponack, New York</td><td>Ira Rennert</td><td>2003</td><td>Italian Renaissance</td><td>Mark Ferguson</td><td></td></tr><tr><td>28</td><td>62,482 sq ft (5,804.8 m2)</td><td>The Breakers</td><td>Newport, Rhode Island</td><td>Cornelius Vanderbilt II</td><td>Preservation Society of Newport County</td><td>1895</td><td>Italian Renaissance</td><td>Richard Morris Hunt</td><td></td></tr><tr><td>29 (tie)</td><td>60,277 sq ft (5,599.9 m2)</td><td>El Mirasol</td><td>Palm Beach, Florida</td><td>Edward T. Stotesbury</td><td>(demolished in 1958)</td><td>1920</td><td>Spanish Colonial Revival</td><td>Addison Mizner</td><td></td></tr><tr><td>29 (tie)</td><td>60,277 sq ft (5,599.9 m2)</td><td>San Sylmar</td><td>Sylmar, California</td><td>J.B. Nethercutt</td><td>Nethercutt–Richards family</td><td>1971</td><td>Art Deco</td><td>Tony Hinsbergen</td></tr><tr><td>31 (tie)</td><td>60,000 sq ft (5,600 m2)</td><td>Pembroke</td><td>Glen Cove, New York</td><td>Joseph De Lamar</td><td>(demolished in 1968)</td><td>1916</td><td>Neoclassical</td><td>C.P.H. Gilbert</td></tr><tr><td>31 (tie)</td><td>60,000 sq ft (5,600 m2)</td><td>Whitehall (Henry M. Flagler House)</td><td>Palm Beach, Florida</td><td>Henry Flagler</td><td>Henry Morrison Flagler Museum</td><td>1901</td><td>Beaux-Arts</td><td>Pottier & Stymus, Carrère and Hastings</td><td></td></tr><tr><td>33</td><td>58,000 sq ft (5,400 m2)</td><td>Duke Farms</td><td>Hillsborough Township, New Jersey</td><td>James Buchanan Duke</td><td>(demolished in 2016)</td><td>1903</td><td>Tudor Revival</td><td>Henry H. Kendall</td><td></td></tr><tr><td>34</td><td>57,000 sq ft (5,300 m2)</td><td>Eschman Meadows</td><td>Nashport, Ohio</td><td>Tami Longaberger</td><td>Awesome87 LLC and SPG87 LLC</td><td>2001</td><td>Georgian</td><td>George Acock Phil White</td><td></td></tr><tr><td>35</td><td>56,881 sq ft (5,284.4 m2)</td><td>Castle Hill</td><td>Ipswich, Massachusetts</td><td>Richard T. Crane Jr.</td><td>The Trustees of Reservations</td><td>1928</td><td>English Baroque</td><td>David Adler</td><td></td></tr><tr><td>36</td><td>56,500 sq ft (5,250 m2)</td><td>The Manor</td><td>Los Angeles, California</td><td>Aaron Spelling</td><td>Petra Ecclestone</td><td>1988</td><td>Châteauesque</td><td>James Langenheim & Associates</td><td></td></tr><tr><td>37</td><td>56,368 sq ft (5,236.8 m2)</td><td>Andrew Carnegie Mansion</td><td>New York, New York</td><td>Andrew Carnegie</td><td>Smithsonian Institution</td><td>1901</td><td>Georgian Revival</td><td>Babb, Cook & Willard</td><td></td></tr><tr><td>38</td><td>56,000 sq ft (5,200 m2)</td><td>Blairsden</td><td>Peapack-Gladstone, New Jersey</td><td>C. Ledyard Blair</td><td>T. Eric Galloway</td><td>1903</td><td>Châteauesque</td><td>Carrère and Hastings</td><td></td></tr><tr><td>39</td><td>55,360 sq ft (5,143 m2)</td><td>Ralston Hall</td><td>Belmont, California</td><td>William Chapman Ralston</td><td>Notre Dame de Namur University</td><td>1864</td><td>Italianate</td><td>Henry W. Cleaveland</td><td></td></tr><tr><td>40 (tie)</td><td>55,000 sq ft (5,100 m2)</td><td>White House</td><td>Washington, D.C.</td><td>Federal government</td><td>1800</td><td>Neoclassical</td><td>James Hoban</td><td></td></tr><tr><td>40 (tie)</td><td>55,000 sq ft (5,100 m2)</td><td>Elm Court</td><td>Lenox, Massachusetts</td><td>Emily Thorn Vanderbilt</td><td>Travaasa Experiential Resorts </td><td>1885</td><td>American Shingle Style</td><td>Peabody and Stearns</td><td></td></tr><tr><td>40 (tie)</td><td>55,000 sq ft (5,100 m2)</td><td>Roundwood Manor</td><td>Hunting Valley, Ohio</td><td>Van Sweringen brothers</td><td>Sylvia Korey</td><td>1929</td><td>Colonial Revival</td><td>Philip Lindsley Small</td><td></td></tr><tr><td>43</td><td>54,838 sq ft (5,094.6 m2)</td><td>Dumbarton Oaks</td><td>Washington, D.C.</td><td>William Hammond Dorsey</td><td>Harvard University</td><td>1801</td><td>Colonial Revival</td><td></td><td></td></tr><tr><td>44</td><td>54,400 sq ft (5,050 m2)</td><td>Chateau Montagel</td><td>Shoal Creek, Alabama</td><td>Larry House</td><td>R Gold</td><td>1997</td><td>Châteauesque</td><td>Bill Shephard</td><td></td></tr><tr><td>45</td><td>54,246 sq ft (5,039.6 m2)</td><td>Searles Castle</td><td>Great Barrington, Massachusetts</td><td>Mary Hopkins Searles</td><td>Hunt Slonem</td><td>1883</td><td>Châteauesque</td><td>McKim Mead & White</td><td></td></tr><tr><td>46</td><td>53,000 sq ft (4,900 m2)</td><td>Nottoway</td><td>White Castle, Louisiana</td><td>John Hampden Randolph</td><td>(demolished in 2025)</td><td>1858</td><td>Greek Revival Italianate</td><td>Henry Howard</td><td></td></tr><tr><td>47</td><td>52,897 sq ft (4,914.3 m2)</td><td>Hala Ranch</td><td>Aspen, Colorado</td><td>Bandar bin Sultan</td><td>John Paulson</td><td>1991</td><td>Rustic</td><td>Hagman Yaw</td><td></td></tr><tr><td>48</td><td>52,300 sq ft (4,860 m2)</td><td>Felix M. Warburg House</td><td>New York, New York</td><td>Felix M. Warburg</td><td>Jewish Museum of New York</td><td>1906</td><td>Châteauesque</td><td>Charles Pierrepont Henry Gilbert</td><td></td></tr><tr><td>49</td><td>52,000 sq ft (4,800 m2)</td><td>Villa de Formosa</td><td>Newport Beach, California</td><td>Joe C. Wen</td><td>2019</td><td>Italianate</td><td>Brian Biglin</td><td></td></tr><tr><td>50</td><td>51,000 sq ft (4,700 m2)</td><td>Hacienda De La Paz</td><td>Rolling Hills, California</td><td>John Z. Blazevich</td><td>John Z. Blazevich</td><td>2008</td><td>Spanish Colonial Revival</td><td>Rafael Manzano Martos</td><td></td></tr><tr><td>52</td><td>50,853 sq ft (4,724.4 m2)</td><td>Chase Mansion</td><td>West Hartford, Connecticut</td><td>Arnold Chase</td><td>Arnold Chase</td><td>2009</td><td>Georgian</td><td>Allan Greenberg</td><td></td></tr><tr><td>53</td><td>50,729 sq ft (4,712.9 m2)</td><td>Perry Belmont House</td><td>Washington, D.C.</td><td>Perry Belmont</td><td>Order of the Eastern Star</td><td>1909</td><td>Beaux-Arts</td><td>Ernest Sanson Horace Trumbauer</td><td></td></tr><tr><td>54</td><td>50,316 sq ft (4,674.5 m2)</td><td>Otto H. Kahn House</td><td>New York, New York</td><td>Otto Hermann Kahn</td><td>Convent of the Sacred Heart</td><td>1914</td><td>Renaissance Revival</td><td>J. Armstrong Stenhouse Charles Pierrepont Henry Gilbert</td><td></td></tr><tr><td>55</td><td>50,302 sq ft (4,673.2 m2)</td><td>Hillside School</td><td>Berkeley, California</td><td>Berkeley Unified School District</td><td>Sam Seppala</td><td>1925</td><td>Tudor Revival</td><td>Walter H. Ratcliff</td><td></td></tr><tr><td>56 (tie)</td><td>50,000 sq ft (4,600 m2)</td><td>Belcourt</td><td>Newport, Rhode Island</td><td>Oliver Belmont</td><td>Carolyn Rafaelian</td><td>1894</td><td>Châteauesque</td><td>Richard Morris Hunt</td><td></td></tr><tr><td>56 (tie)</td><td>50,000 sq ft (4,600 m2)</td><td>Hempstead House</td><td>Sands Point, New York</td><td>Howard Gould</td><td>Nassau County, New York</td><td>1912</td><td>Tudor Revival</td><td>Richard Howland Hunt</td><td></td></tr><tr><td>58</td><td>49,842 sq ft (4,630.5 m2)</td><td>Lutcher Brown Estate</td><td>Terrell Hills, TX</td><td>H. Lutcher Brown}</td><td>Candace Humphreys</td><td>1938</td><td>Neo Classical</td><td>Robert M. Ayres</td><td></td></tr><tr><td>59</td><td>49,568 sq ft (4,605.0 m2)</td><td>8271 E Left Hand Fork Hobble Creek</td><td>Springville, Utah</td><td>Tom Mower</td><td>2010</td><td>Italian Renaissance</td><td>Kevin Scholz</td><td></td></tr><tr><td>60</td><td>49,300 sq ft (4,580 m2)</td><td>The Pritzker Estate</td><td>Los Angeles, California</td><td>Anthony Pritzker</td><td>2010</td><td>Contemporary</td><td>Grant Camden Kirkpatrick</td><td></td></tr><tr><td>61</td><td>49,240 sq ft (4,575 m2)</td><td>32088 SW Peach Cove Road</td><td>West Linn, Oregon</td><td>Mark Wattles</td><td>Richard Stanley</td><td>(under construction)</td><td></td><td></td><td></td></tr><tr><td>62</td><td>49,000 sq ft (4,600 m2)</td><td>Ziff Mansion</td><td>Pawling, New York</td><td>William Bernard Ziff, Jr.</td><td>Dirk Edward Ziff</td><td>2000</td><td></td><td></td><td></td></tr><tr><td>63</td><td>48,515 sq ft (4,507.2 m2)</td><td>50 Poplar Hill Drive</td><td>Farmington, Connecticut</td><td>Benjamin Sisti</td><td>Casey Askar</td><td>1985</td><td>Contemporary</td><td></td><td></td></tr><tr><td>64</td><td>48,438 sq ft (4,500.0 m2)</td><td>1299 Via Tivoli</td><td>Seven Hills, Henderson, Nevada</td><td>Pierre Omidyar</td><td>2010</td><td>Modern architecture</td><td></td><td></td></tr><tr><td>65 (tie)</td><td>48,000 sq ft (4,500 m2)</td><td>Champ d'Or Estate</td><td>Hickory Creek, Texas</td><td>Alan H. Goldfield</td><td>"The Olana" Walter Wedding Estates</td><td>2002</td><td>French Baroque Architecture</td></tr><tr><td>65 (tie)</td><td>48,000 sq ft (4,500 m2)</td><td>Le Palais</td><td>Beverly Hills, California</td><td>Mohamed Hadid</td><td>Lola Karimova-Tillyaeva</td><td>2011</td><td>Châteauesque</td><td></td><td></td></tr><tr><td>67</td><td>47,000 sq ft (4,400 m2)</td><td>Nemours</td><td>Wilmington, Delaware</td><td>Alfred I. du Pont</td><td>Nemours Foundation</td><td>1909</td><td>Neoclassical</td><td>Carrère and Hastings</td><td></td></tr><tr><td>68</td><td>46,054 sq ft (4,278.6 m2)</td><td>Greystone Mansion</td><td>Beverly Hills, California</td><td>Edward L. Doheny</td><td>City of Beverly Hills</td><td>1928</td><td>Tudor Revival</td><td>Gordon Kaufmann</td><td></td></tr><tr><td>69</td><td>46,000 sq ft (4,300 m2)</td><td>Elstowe Manor</td><td>Elkins Park, Pennsylvania</td><td>William L. Elkins</td><td>Landmark Venues</td><td>1898</td><td>Italian Renaissance</td><td>Horace Trumbauer</td><td></td></tr><tr><td>70</td><td>45,891 sq ft (4,263.4 m2)</td><td>457 Bel Air Road</td><td>Los Angeles, California</td><td>Beny Alagem</td><td>2006</td><td>French Normandy</td><td>Robert A.M. Stern</td><td></td></tr><tr><td>71</td><td>45,854 sq ft (4,260.0 m2)</td><td>Villa Collina</td><td>Moorestown, New Jersey</td><td>Vernon Hill</td><td>2002</td><td>Italian Renaissance</td><td></td><td></td></tr><tr><td>72</td><td>45,843 sq ft (4,259.0 m2)</td><td>Townsend House</td><td>Washington, D.C.</td><td>Richard T. Townsend</td><td>Cosmos Club</td><td>1901</td><td>Beaux-Arts</td><td>Carrère and Hastings</td><td></td></tr><tr><td>73 (tie)</td><td>45,000 sq ft (4,200 m2)</td><td>Illinois Executive Mansion</td><td>Springfield, Illinois</td><td>State of Illinois</td><td>1855</td><td>Georgian Revival</td><td>John M. Van Osdel</td><td></td></tr><tr><td>73 (tie)</td><td>45,000 sq ft (4,200 m2)</td><td>Darlington</td><td>Mahwah, New Jersey</td><td>George Crocker</td><td>Jaime Garrido</td><td>1907</td><td>Jacobean</td><td>James Brite</td><td></td></tr><tr><td>73 (tie)</td><td>45,000 sq ft (4,200 m2)</td><td>Henry Clay Frick House</td><td>New York, New York</td><td>Henry Clay Frick</td><td>Frick Collection</td><td>1914</td><td>Beaux-Arts</td><td>Carrère and Hastings</td><td></td></tr><tr><td>77</td><td>44,936 sq ft (4,174.7 m2)</td><td>Anderson House</td><td>Washington, D.C.</td><td>Larz Anderson</td><td>Society of the Cincinnati</td><td>1905</td><td>Beaux-Arts</td><td>Arthur Little Herbert Browne</td><td></td></tr><tr><td>78</td><td>44,309 sq ft (4,116.4 m2)</td><td>Glencairn</td><td>Bryn Athyn, Pennsylvania</td><td>Raymond Pitcairn</td><td>The New Church</td><td>1938</td><td>Romanesque</td><td>Raymond Pitcairn</td><td></td></tr><tr><td>79</td><td>44,234 sq ft (4,109.5 m2)</td><td>Villa Vittoriosa</td><td>Fayetteville, Georgia</td><td>Evander Holyfield</td><td>Rick Ross</td><td>1994</td><td>Neoclassical</td><td>Portman Fuchtman Vinson Sunderland</td><td></td></tr><tr><td>80</td><td>44,229 sq ft (4,109.0 m2)</td><td>Ochre Court</td><td>Newport, Rhode Island</td><td>Ogden Goelet</td><td>Salve Regina University</td><td>1892</td><td>Châteauesque</td><td>Richard Morris Hunt</td><td></td></tr><tr><td>81 (tie)</td><td>44,000 sq ft (4,100 m2)</td><td>Hyde Park</td><td>Hyde Park, New York</td><td>Frederick Vanderbilt</td><td>Federal government</td><td>1899</td><td>Beaux-Arts</td><td>Charles Follen McKim</td><td></td></tr><tr><td>81 (tie)</td><td>44,000 sq ft (4,100 m2)</td><td>901 Trophy Hills Drive</td><td>Las Vegas, Nevada</td><td>Sheldon Adelson</td><td></td><td>2013</td><td></td><td></td><td></td></tr><tr><td>83</td><td>43,793 sq ft (4,068.5 m2)</td><td>Boldt Castle</td><td>Alexandria Bay, New York</td><td>George Boldt</td><td>Thousand Islands Bridge Authority</td><td>1904</td><td>Chateauesque</td><td>G.W. & W.D. Hewitt</td><td></td></tr><tr><td>84</td><td>43,772 sq ft (4,066.6 m2)</td><td>Seaview Terrace</td><td>Newport, Rhode Island</td><td>Edson Bradley</td><td>Martin Carey</td><td>1925</td><td>Chateauesque</td><td>Howard Greenley</td><td></td></tr><tr><td>85</td><td>43,561 sq ft (4,046.9 m2)</td><td>Marland Mansion</td><td>Ponca City, Oklahoma</td><td>Ernest Whitworth Marland</td><td>City of Ponca City</td><td>1928</td><td>Mediterranean Revival</td><td>John Duncan Forsyth</td><td></td></tr><tr><td>86</td><td>43,515 sq ft (4,042.7 m2)</td><td>Asherwood</td><td>Carmel, Indiana</td><td>Melvin Simon</td><td>YMP, Rev Lvg Trust</td><td>1999</td><td>Chateauesque</td><td></td><td></td></tr><tr><td>87</td><td>43,040 sq ft (3,999 m2)</td><td>Primatara</td><td>Springfield, Missouri</td><td>Robert Low</td><td>Robert Low</td><td>(under construction)</td><td></td><td>Richard Drummond Davis</td><td></td></tr><tr><td>88</td><td>42,831 sq ft (3,979.1 m2)</td><td>Château des Fleurs</td><td>Los Angeles, California</td><td>James A. Kaplan</td><td>2014</td><td>Chateauesque</td><td>William Hefner</td><td></td></tr><tr><td>89</td><td>42,014 sq ft (3,903.2 m2)</td><td>51 Winding Brook Drive</td><td>Saratoga Springs, New York</td><td>John Breyo</td><td>2006</td><td>Mediterranean Revival</td><td>Robert Flansburg</td><td></td></tr><tr><td>90 (tie)</td><td>42,000 sq ft (3,900 m2)</td><td>Payne Mansion</td><td>Esopus, New York</td><td>Oliver Hazard Payne</td><td>Marist University</td><td>1911</td><td>Beaux-Arts</td><td>Carrère and Hastings</td><td></td></tr><tr><td>90 (tie)</td><td>~42,000 sq ft (3,900 m2)</td><td>Mar-a-Lago</td><td>Palm Beach, Florida</td><td>Marjorie Merriweather Post</td><td>Donald Trump</td><td>1927</td><td>Mediterranean Revival architecture</td><td>Marion Sims Wyeth (exterior) Joseph Urban (interior)</td><td></td></tr><tr><td>90 (tie)</td><td>42,000 sq ft (3,900 m2)</td><td>Rose Terrace</td><td>Grosse Pointe Farms, Michigan</td><td>Anna Thompson Dodge</td><td>(demolished in 1976)</td><td>1931</td><td>Neoclassical</td><td>Horace Trumbauer</td><td></td></tr><tr><td>93</td><td>41,774 sq ft (3,880.9 m2)</td><td>Le Palais Royal</td><td>Hillsboro Beach, Florida</td><td>Robert Pereira</td><td>2014</td><td>Beaux-Arts</td><td>Denio Madera</td></tr><tr><td>94</td><td>41,050 sq ft (3,814 m2)</td><td>Carolands</td><td>Hillsborough, California</td><td>Harriet Pullman Carolan</td><td>Charles Bartlett Johnson</td><td>1914</td><td>Second Empire</td><td>Ernest Sanson Willis Polk</td><td></td></tr><tr><td>94 (tie)</td><td>41,000 sq ft (3,800 m2)</td><td>Hayes Mansion</td><td>San Jose, California</td><td>Mary Hayes Chynoweth</td><td>JMA Ventures</td><td>1905</td><td>Mediterranean Revival</td><td>George Page</td><td></td></tr><tr><td>94 (tie)</td><td>41,000 sq ft (3,800 m2)</td><td>NYIT de Seversky Mansion</td><td>Old Westbury, New York</td><td>Alfred I. du Pont</td><td>New York Institute of Technology</td><td>1918</td><td>Georgian Revival</td><td>Carrère and Hastings</td><td></td></tr><tr><td>97</td><td>40,916 sq ft (3,801.2 m2)</td><td>Il Palmetto</td><td>Palm Beach, Florida</td><td>Joseph E. Widener</td><td>James H. Clark</td><td>1927</td><td>Mediterranean Revival</td><td>Maurice Fatio</td><td></td></tr><tr><td>98</td><td>40,280 sq ft (3,742 m2)</td><td>Walker McCune Mansion</td><td>Paradise Valley, Arizona</td><td>Walker McCune</td><td>George A. Hormel family</td><td>1962</td><td>Contemporary</td><td></td><td></td></tr><tr><td>99 (tie)</td><td>40,000 sq ft (3,700 m2)</td><td>Mills Mansion</td><td>Hyde Park, New York</td><td>Ogden Mills</td><td>New York State Office of Parks, Recreation and Historic Preservation</td><td>1896</td><td>Beaux-Arts</td><td>Stanford White</td><td></td></tr><tr><td>99 (tie)</td><td>40,000 sq ft (3,700 m2)</td><td>The Braes</td><td>Glen Cove, New York</td><td>Herbert L. Pratt</td><td>Webb Institute</td><td>1912</td><td>Jacobean</td><td>James Brite</td><td></td></tr><tr><td>99 (tie)</td><td>40,000 sq ft (3,700 m2)</td><td>Coe Hall</td><td>Upper Brookville, New York</td><td>William Robertson Coe</td><td>Planting Fields Foundation</td><td>1921</td><td>Tudor Revival</td><td>Guy Lowell</td><td></td></tr><tr><td>99 (tie)</td><td>40,000 sq ft (3,700 m2)</td><td>Rynwood</td><td>Old Brookville, New York</td><td>Samuel Agar Salvage</td><td>John Mariani Jr, Banfi Vintners</td><td>1927</td><td>Tudor Revival</td><td>Roger Bullard</td><td></td></tr><tr><td>99 (tie)</td><td>40,000 sq ft (3,700 m2)</td><td>10697 Somma Way</td><td>Los Angeles, California</td><td>Ty Cueva</td><td>2017</td><td>Spanish Colonial Revival</td><td></td><td></td></tr></tbody></table>
Single largest per state and territory
List of largest houses in the United States
Houses with area less than 40,000 square feet (3,700 m2) have area listed here rather than above.