How does zillow calculate home values?These are four duplexes. They are built in the same year on the same block and have identical floor plans. 200 Welcome street zestimate $409,000204 Welcome street zestimate $411,500208 Welcome street zestimate $743,000209 Lake shore terrace zestimate $402,000209 Lake shore was remodeled extensively in 2009 and has infinitely better views of downtown than the others. and yet it's zestimate is the least of the four properties. one of the properties is zestimated at $300,000 over the rest. A clarification on how zillow estimates real estate and how they came up with these estimates would be appreciated.thank youOrlando HernandezSeptember 29 2010 - Westlake00YesReport 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.