WEBBiltmore Estate is a historic house museum and tourist attraction in Asheville, North Carolina. Biltmore House (or Biltmore Mansion), the main residence, is a Châteauesque-style mansion built for George Washington Vanderbilt II between 1889 and 1895 [2] and is the largest privately owned house in the United States, at 178,926 sq ft (16,622.8 m ...