Question: who owns the biggest house in the united states
Answer: Rank ( does not include demolished and under construction ) Rank ( includes demolished and under construction ) Square footage Name Location Built for Owner Year completed Architectural style Architect Image 135,280 Biltmore Estate Asheville , North Carolina George Washington Vanderbilt II William A.V. Cecil 1895 Châteauesque Richard Morris Hunt 109,000 Oheka Castle Huntington , New York Otto Hermann Kahn Gary Melius 1919 Châteauesque Delano and Aldrich - 100,000 Whitemarsh Hall Wyndmoor , Pennsylvania Edward T.