Largest Houses Ever Built in the United States
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.
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.
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 are shown as reported by the source. Nothing is rescaled, rebased or converted — the only changes are thousand separators and decimals shown to two places.
- Entities are ranked highest-first on their value.
Data Sources & References
All external sources cited in this dataset
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