where does zillow get their estimates of value?

Profile picture for CathyY
what can someone do to dispute an estimate of value?and get zillow's removed from the site?
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February 07 - Jackson
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Answers (6)

Profile picture for user660499
That's not good for the seller either,  Tawny Lynn, since a lot of the homes sold may be from foreclosure or to prevent foreclosure... again not a true estimate of the value.
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February 20
Profile picture for wetdawgs
What can one do to dispute it?  Simply make sure all data are accurate and as complete as possible.  Put comments in the owner's comments if you have solid data from appraisals (with dates) and/or CMA information.   Zillow doesn't manually recalculate individual Zestimates, but if you change data it takes about six to eight weeks to show fully.

Zillow doesn't remove the Zestimate from properties.   When you discuss Zestimates with clients, make sure you also discuss the value range.
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February 07
Cathy - the only thing anyone can do in regard to their zestimate is "claim" it - either as the home owner or listing agent.
Once it is claimed.........you can check to make sure the factual information (# of bedrooms, baths, etc) is correct...........if it isn't correct, it can be edited.

Correcting incorrect information may or may not make a difference with the mathematical algorithm that is used to come up with the zestimate - it is based on public records, and does not take into account recent, or any,  updates.

The agent or the owner can also leave comments regarding any updates and improvements, but doing that  will only serve to make you feel better - as comments won't cause the zestimate to change.

That's about all you can do...............other than forget about it!
:)
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February 07
Profile picture for tawnylynn
I am surprised that anyone would think the 'Zestimare' is an actual appraisal. Agents might want to direct interested buyers to the section at the bottom of this webpage titled "About Zestimates". This shows the accuracy of Zestimates is often way off by some pretty big percentages. There is no automated system that can accurately appraise homes.   
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February 07
Profile picture for CathyY
unfortunally that hurts some of the sellers,  our area is a great area that has older (100+) well kept victorians and newer not so well kept homes so one size does not fit all. I can see where it would work in a subdivision where all the houses were by the same developer and were similar but it just does not work here.  How can we get zillow to be more acurate,  Can we provide supporting data?  The general public is useing it as a guide to make ooffers saying the property is overpriced:(
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February 07
Profile picture for tawnylynn
It is a 'Zestment' and not intended to be accurate. It is simply based on an average for all homes sold in the subject property location. A more reliable appraisal would be to focus on only those few homes sales that are the most similar in style, size, features, etc. Basically, what a real estate appraiser does. Zillow's "Zestment'  simply bases value on the average price for ALL properties sold.
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February 07
 

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