Quality Hill

3425 Prospect St., NW., Washington, District Of Columbia. County/parish: District of Columbia.

Added to the National Register of Historic Places March 16, 1972. NRIS 72001431.

1 contributing building.

Also known as:

• The John Thomson Mason House
• Worthington House

From Wikipedia:

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.

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National Park Service documentation: https://catalog.archives.gov/id/117692436