What Is the Largest Private Home in the United States?
The largest private home in the United States is the Versailles-style mansion known as "The One" in Los Angeles, California. The property is a single-family residential compound designed to be one of the biggest private residences ever built in the country. It is widely cited in real estate reports as the largest private home in the U.S. by finished living area and total site footprint.
The project was developed by Nile Niami, a Los Angeles-based developer and film producer, and is located in the Bel Air neighborhood of Los Angeles. The estate sits on a hillside parcel with panoramic views and includes extensive landscaping, a large main residence, guest structures, and resort-style amenities. The property has been marketed as a one-of-a-kind ultra-luxury home targeting high-net-worth buyers and institutional capital.
Key Facts, Size, and Ownership of The One
The One features an expansive living area, with reported finished square footage exceeding 100,000 square feet across multiple levels and wings. The estate includes dozens of bedrooms and bathrooms, a large master suite, a spa, a wellness center, a bowling alley, a 30-car garage, and a massive outdoor pool and entertainment area. The property is designed with high-end materials, smart-home systems, and custom architectural details.
The property was originally listed for a record-breaking price in the hundreds of millions of dollars before being sold through a high-profile bankruptcy and auction process. Nile Niami and related entities have been central to the development and marketing of The One, with the project drawing attention from luxury real estate analysts and media outlets. For more background on the developer and transaction history, see the Forbes coverage of The One and related ultra-luxury deals The One mansion sale.
Location, Valuation, and Market Context
The One is located in Bel Air, an affluent residential area within Los Angeles known for large estates and privacy. The Bel Air market is one of the most prominent luxury real estate submarkets in the United States, with sales often tracked by major brokerage firms and valuation platforms. The property's valuation has been the subject of multiple appraisals, listings, and auction estimates over the years.
Real estate analysts and luxury market trackers have compared The One to other mega-mansions and trophy properties across the country. The estate is frequently referenced in discussions of the largest and most expensive homes in the U.S., alongside other high-profile private residences. For additional context on luxury real estate trends and valuation benchmarks, see the Realtor.com luxury market insights luxury homes research.