what is the average new construction cost per square foot in zip code 20002? What about for remodelI am looking for a new home in Washington, DC but given the extraordinary prices I am wondering if it would be cheaper to tear down and build or add a third floor to my current home.October 15 2013 - Washington00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.