In the last 30 days the Zestimate value of my house decreased by $50,000. I cannot figure out why.I have looked for comparable recent sales that would have brought the value down and I don't see any. August 18 2013 - Pittsboro00YesReport 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.