Largest Residences in America (Year 2025) Ranking
Top 10 Largest Homes in the United States by Square Footage
The world of grandiose residences in the United States is a testament to the nation's ambition and wealth. Here, we take a look at the top 10 largest homes by square footage as of 2025.
- Biltmore Estate (Asheville, North Carolina) - With a staggering size of 178,926 square feet, the Biltmore Estate is the largest private residence in the United States. Spanning approximately 4 acres, this magnificent mansion is a sight to behold.
- Oheka Castle (West Hills, New York) - The second largest home on our list, Oheka Castle, boasts a size of 109,000 square feet. This historic mansion, now a hotel, is a must-visit for anyone seeking a taste of opulence.
- Arden House (Harriman, New York) - Arden House comes in third with a total area of 97,188 square feet. This Chateauesque-style house is now used for conferences, offering a grand setting for important gatherings.
- Winterthur (Delaware) - Although the exact square footage of Winterthur is not specified, this Georgian Revival-style house is traditionally recognized as one of the largest estates in the country. It houses the Winterthur Museum, Garden, and Library.
- Shadow Lawn (West Long Branch, New Jersey) - With a total area of 90 thousand square feet, Shadow Lawn is a Beaux-Arts mansion that serves as the focal point of Monmouth University on campus.
- Hearst Castle (San Simeon, California) - Constructed between 1919 and 1947, Hearst Castle is a National Historic Landmark and a State Park. Although the exact square footage is not available, it is one of the largest historic mansions in the country.
- Mar-a-Lago (Florida) - Known for its size and grandeur, Mar-a-Lago, currently owned by Donald Trump, is a very large estate with a total area not specified in our sources. It functions as a private club.
- Versailles (Florida) - One of the largest mansions by square footage in the U.S., Versailles is expected to be even larger upon completion, with a size greater than 85,000 square feet.
9-10. James J. Hill Mansion (Minnesota) and other historically large estates may round out the list, though exact ranking beyond the top 3 was not detailed explicitly in square footage in the available sources.
These homes represent the pinnacle of luxury and grandeur in American architecture. From the Biltmore Estate's impressive 178,926 square feet to the smaller but still impressive Versailles in Florida, these homes offer a glimpse into the opulent lifestyle of the past and present.
Investors looking for luxurious properties can consider the largest homes in the United States for real-estate investments, such as the Biltmore Estate with its impressive 178,926 square feet. Additionally, those interested in home-and-garden projects might find inspiration in the architectural grandeur of these estates, like the historic Oheka Castle spanning 109,000 square feet.
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