Zillow.com is a sort of Kelley Blue Book for homes. It lets users type in an address and see specs on the home--its valuation, the date and purchase price of the last sale, and data on comparable homes. The site is ad-supported and thus free to the user.
The site offers valuations on more than 40 million of the estimated 85 million single-family homes in the United States, with some data on an additional 20 million homes. It also offers historical value changes for homes in chart form; historical value changes for homes as compared with the surrounding ZIP … Read more