619 D St., SE., or 630 South Carolina Ave., SE., Washington, District Of Columbia. County/parish: District of Columbia.
Added to the National Register of Historic Places January 18, 1973. NRIS 73002086.
1 contributing building.Also known as:
Friendship House (also known as The Maples, Maple Square, or Duncanson House) is a Georgian townhouse, located at 619 D Street, (630 South Carolina Avenue), Southeast, Washington, D.C., in the Capitol Hill neighborhood.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/117692164