Quality Hill, Washington, D.C.

Quality Hill, also known as the John Thomson Mason House, is a historic building, located at 3425 Prospect Street, Northwest, Washington, D.C., in the Georgetown neighborhood.

John and Elizabeth Teakle bought the house in 1807.

Senator and Mrs. Claiborne Pell bought the house in 1961.

[2] Since 2019 the house has served as the Washington, DC headquarters of the Calvin Coolidge Presidential Foundation.

This article about a property in the District of Columbia on the National Register of Historic Places is a stub.