This house is located at 1615 19th Street, Northwest. The listing says:
“Rarely available. Historic DuPont Circle row house w. carriage house and roof deck. 4 BR, 3 BA. seconds to the metro! Beautiful front garden leads to front entrance w. generous bay windows that keep the house flooded with light. Galley kitchen opens to elegant dining room, which leads to a private patio through double glass doors to carriage house/artist studio and garage.”
You can see more photos here.
This 4 bed/2.5 bath is going for $1,550,000.