How do I change the value of my house to reflect an addition I added to the back?I added an addition to my house, which is not reflected in value of my house as it appears on zillow. What should I do?May 30 2009 - Washington00YesReport 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.