You might want to try something like a real estate database API - such as this one from Zillow: http://www.zillow.com/howto/api/APIOverview.htm http://www.zill

You might want to try something like a real estate database API - such as this one from Zillow: http://www.zillow.com/howto/api/APIOverview.htm http://www.zillow.com/howto/api/APIOverview.htm