Except Zillow actually does show a range. If you look at the Zestimate details on a house, you see something like this: "Zestimate $472,603", and immediately t

Except Zillow actually does show a range. If you look at the Zestimate details on a house, you see something like this: "Zestimate $472,603", and immediately to the right: "Zestimate range $425k - $506k". The little question mark reveals: "The Value Range is the high and low estimate market value for which Zillow values a home. The more information, the smaller the range, and the more accurate the Zestimate. See data coverage and accuracy table."