How can my home be valued $20,000 under tax assessed value when homes are selling for over the taxHomes with smaller square feet and smaller lots are zestimated at over $20,000 more than my property this really turns buyers away. They have sold for over the tax value while my zestimate is considerably under.July 22 2013 - Avon00YesReport 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.