Largest Houses Ever Built in the United States
Key Findings
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Biltmore Estate leads in Floor area (square feet) with 178,926.
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Average Floor area (square feet): 106,826 · median: 96,885.
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Gap: Biltmore Estate is 2.3× larger than Cornelius Vanderbilt II House.
About This Dataset
Largest Houses Ever Built in the United States
Private houses in the United States are compared by total floor area. This chart ranks the largest houses ever built in the country by floor area in square feet, including houses that have since been demolished; houses still under construction are not included.
Analysis
Biltmore Estate is the largest house ever built in the United States at 178,926 square feet, ahead of Shadow Brook at 174,240. Every house shown was completed between 1882 and 1932, and 4 of the 12 have since been destroyed or demolished. The smallest house on this chart, Cornelius Vanderbilt II House, still has 78,125 square feet of floor space.
Data Insights
Numbers, trends & sources behind this chart
Methodology & source
- Data source
- Wikipedia - List of largest houses in the United States
- Coverage
- 12 entities · 12 observations
- Measure
- Floor area (square feet)
- Last updated
- 10 September 2026
- Compiled by
- The ANYSTAT team, from the source above
How the figures are calculated
- Values use the measure and unit named on this page. Consult the dataset description and cited source for coverage, definitions and any unit conversions. Displayed values may be rounded for readability.
- Entities are ranked highest-first on their value.
Data Sources & References
All external sources cited in this dataset
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