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 ...

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We have data for more than 68 million homes in the U.S., with Zestimate values for more than 49 million of them. Our database is growing every day.

The accuracy of Zestimate values varies according to the quality of the data we have about your house and that of the surrounding neighborhoods.

Last week's launch of our new Zestimate algorithm involved the most significant update to Zestimate values since Zillow launched in beta in early 2006. We also