Is there glitch in Zillow home value estimation?

Profile picture for toofee
My house value estimation suddenly jumped down 200,000 from the previous value and from prices in the neighbourhood!
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0Yes

June 18 2011 - Escondido
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Answers (2)

Profile picture for OggiKashi
How can Zillow rewrite history?  If they are able to just take back what they have reported over the years, how credible can they be?  I would understand if the new algorithm will be used from here on out but you just can't rewrite history - at least not without a hefty apology.  
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0Yes

June 19 2011
Profile picture for Dunes....
There is this ...

Zillow Announces Zestimate Improvements
(You may wish to share your Opinion here as others have)

AND

"Historical Zestimate"

"With the data delivery yesterday, we have re-computed historical Zestimates back to January 2006. There are a few algorithmic developments that we are still working on and, once these are done, we intend to re-compute all Zestimates back to 1996."
Upgrading the Zestimate
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1Yes

June 18 2011
 

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