http://www.zillow.com/advice-thread/i-was-wondering-were-the-info-for-the-listing%27s-come-from-who-is-aloud-to-put-the-info-on-there/243878/ Zillow Advice | Zillow Real Estate http://www.zillow.com/advice-thread/i-was-wondering-were-the-info-for-the-listing%27s-come-from-who-is-aloud-to-put-the-info-on-there/243878/ On Zillow, I think last sales price and the square footage comes from the local recorder's or&nbsp;assessor's office. Owners can also claim their house and add more current information under the home facts section. You can read more about Zestimates and where the information comes from&nbsp;<a href="http://www.zillow.com/howto/Zestimate.htm">here</a>. Hope it helps. Mon, 08 Jun 2009 19:38:00 GMT http://www.zillow.com/advice-thread/i-was-wondering-were-the-info-for-the-listing%27s-come-from-who-is-aloud-to-put-the-info-on-there/243878/ 2009-06-08T19:38:00Z