Design & Home

Most Expensive Homes on the Market: An $11 Million Federal Home in Georgetown

This historic Prospect Street estate was built in 1797 by a relative of George Mason.

To go along with its grand price tag, this home on Prospect Street in Georgetown boasts a rather grand history: Originally built in 1797 by George Mason’s nephew, John Thomson Mason—who imported brick from England for this home—the estate was later dubbed Quality Hill and has since been owned by several prominent residents, including former senator Claiborne Pell. It’s now listed on the National Register of Historic Places. But its legacy isn’t the only draw. This is a large estate, with more than 10,000 square feet of living space, including nine bedrooms, 11 baths, and a spacious outdoor patio and yard. A careful renovation updated the place for modern living while preserving much of the original architecture, and highlights include 14-foot ceilings on the main floor, four fireplaces, an elevator, intricate crown moldings, and mahogany built-in bookcases in the library—a room inspired by George Washington’s Mount Vernon. Marble abounds in the updated kitchen and baths, and there’s a spa room complete with a sauna. The home is listed at $11 million. Take a peek at the historic residence below, then go to TTR Sotheby’s for the complete tour.

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