Do Realtors and other folks in the industry have access to add/change home values?My house value by you was in the 335,000 + range and is now 311,000 without any changes to my property! My neighbors have remained higher. What happened? How many folks have access to its altering its value?February 29 2012 - Granada Hills00YesReport 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.