Regardless of whether the home is for sale, if you type any street address into Zillow, Redfin, or Trulia, they will often tell you the square footage, the last-sold-date, the taxable value, and often some other official information. Here is one example address across all three services:
Has anyone had any luck reproducing their underlying data? I'm not so concerned with getting up-to-the-minute home sales. If data are a few years old, that's no problem for my purposes. It would just be nice to have basic structural data nationwide like:
last sold date
number of bedrooms
I suppose I could write scraping algorithms for all of the counties with recorder databases online, but did Redfin/Zillow/Trulia all seriously show up at all of the other county recorder offices and scan things in by hand?
I found a bit of discussion, most of it makes me think this would be a massive undertaking: