Why are some houses 'grayed out' or are semi transparent?Looking at condos for sale in Arlington, MA and some of the listings are 'shadowed' or grayed out. What does this represent?August 27 2012 - Arlington00YesReport 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.