This house is located at 4130 Arkansas Avenue, Northwest. The listing says:
“Early modernist townhouse by prominent DC architects Berla and Abel. Less than 1 mile to Metro. More than 2,100 sq. ft. over 3 levels with glassed-enclosed balcony. 2 bed/2 bath. Open office space can be turned back into 3rd br. Large open living-dining. Original architectural details. 2 brick and stone fireplaces . Zen backyard w/ carport. Custom insulated windows throughout.”
You can see more photos here.
This 2 bed/2 bath is going for $725,000.