Zillow Advice: Zestimates - 10 Montclare Ave in Wakefield MA Zestimate http://www.zillow.com/advice-thread/10-Montclare-Ave-in-Wakefield-MA-Zestimate/466335/ Zillow Advice | Zillow Real Estate A Zestimate is a computer ... http://www.zillow.com/advice-thread/10-Montclare-Ave-in-Wakefield-MA-Zestimate/466335/ A Zestimate is a computer generated value using public data and presented with a value range (the 70% confidence interval).&nbsp;&nbsp; It does not take into account upgrades (or downgrades) except as reflected in sales prices and tax values.&nbsp;&nbsp;&nbsp; <a href="http://www.zillow.com/wikipages/What-is-a-Zestimate/">"What is a Zestimate?</a>" provides excellent background information in how to interpret a Zestimate.&nbsp;&nbsp;&nbsp; <br/><br/>I (as an outsider) consider the value range far more important than the one number called a Zestimate.&nbsp;&nbsp; With the word "estimate" as the core of the word Zestimate,&nbsp; I consider it Zillow's opinion of value. <br/><br/>Example of value range:&nbsp; 6 Fairview has a value range of $577K &ndash; $845K Mon, 29 Oct 2012 16:11:00 GMT http://www.zillow.com/advice-thread/10-Montclare-Ave-in-Wakefield-MA-Zestimate/466335/ 2012-10-29T16:11:00Z