Categories Dupont Circle 1706 21st St. NW Post author By pickering Post date July 28, 2018 No Comments on 1706 21st St. NW 1706 21st st. d.c. 1706 21st St. is a three-story brick townhouse, built in 1935. ← 1730 21st St. NW → 1627 21st St. NW