Just learned from 投資理財 forum, Google map also shows Foreclosure. haha, interesting! but some of the data there may not be the most updated :)
Google Maps Foreclosure Listings
1. Punch in any US address into Google Maps. 2. Your options are Earth, Satellite, Map, Traffic and . . . More. (Select “More”) 3. The drop down menu gives you a check box option for “Real Estate.” 4. The left column will give you several options (You may have to select “Show Options”) 5. Check the box marked “Foreclosure.”