I received a Zillow deacrease of 2%. I just installed a NEW ROOF @ a cost of $9,000. Please reviewHow can my home decrease (2%) when I've just installed a new roof @ a cost of $9.000.September 15 2010 - Irving00YesReport 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.