Not just for D.C., no. It's one of the larger/more expensive real estate markets in the U.S., but it's covered by "nationwide" listing tools. I'm asking for th

Not just for D.C., no. It's one of the larger/more expensive real estate markets in the U.S., but it's covered by "nationwide" listing tools. I'm asking for this to be made half in jest, although D.C. traffic is atrocious, and this sort of data fusion looks fantastic. Your concept looks great. =)