With all the information out there avaiable to home sellers and home buyers, finding and getting the right information becomes a challenge.
Zillow is one of the most well known property valuation websites, but if you are using it to decide what to place your home on the market for or what the home you are looking to buy is worth you will getting inaccurate or irrelevant information.
This is a portion of the Zillow Data Coverage and Zestimate Accuracy graph. As you can see in Bristol County they are only within 5% of the sale price 24% of the time. That number is not good odds for either a seller or buyer to accurately price their home. In Plymouth County it goes down to 22%.
Definitions
The ratings are as follows:
= Best Zestimate 
= Good Zestimate 
= Fair Zestimate 
= Tax assessor's value, or unable to compute Zestimate accuracy - 0 stars = No valuation
Depending on the jurisdiction where you live, this value could be the tax assessed, tax appraised, or market assessed value. This value comes from the taxing authority of the city, county or state where you live; this is not Zillow's value.
Note: Tax assessor's values differ from Zillow's Zestimate, which is computed by entering numerous data points into a proprietary formula, often resulting in a more accurate value estimate.
As you can see from the legend I pasted above they rate their own ability to be accurate. In Plymouth County they gave themselves 2 Stars which is Fair accuracy. For easier understanding to me that is a D. My son would have been grounded for months if he ever came home with a grade like that.
If you are a home seller or home buyer and would like an accurate Market Report please contact me and I will give you a no obligation report on your home or a home you are looking to purchase.
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