USA: USA Real Estate

Real Estate Foreclosures
A foreclosure is the forced sale of a piece of real estate to pay off a loan that the owner has defaulted on. 
USA Real Estate The OfficialUSA Real Estate Foreclosures Directory

Fannie Mae
Federal Deposit Insurance Corp
*Foreclosure Way
Homesteps - Freddie Mac's foreclosure list
Hud
*Hudbox
*Hudworks
*REOZone: "REO" means "Real Estate Owned", which indicates that the property has been foreclosed on and is currently on the market.
VAHomes - foreclosures from the U.S. Veterans Administration