How is square footage and location determined?For years my house and similar houses were shown as 1692 sq. ft. Suddenly the square footage dropped to just over 1000 sq. ft. and the location shown was wrong. The same was true for most houses on our street: Gretchen St. 20895May 21 2010 - North Bethesda00YesReport 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.