My house has been decreasing in Zestimate for the last 6 monthsThe house next door to me has gone up substantially in the last 6 months. Neither one of us have made any changes to our homes in the last 6 months. What is going on? March 24 2014 - Centreville11YesReport 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.