720 Quebec SOLD! 722 Quebec SOLD!! 724 Quebec On The Market for $778K!!! The home of an interior designer, this traditional row house blends original details with easy urban sophistication on a tree-lined street 1 block from the Petworth Metro and a short stroll to the hip hotspots of 11th St in Columbia Heights - as well as the center of the booming residential enclave of Petworth. CLICK HERE for our video of this home.