The following list is pretty complete.

To my knowledge, we have included every meaningful, foreclosure website available.

These are  direct links to the bank, or government agency that owns the property. Listings include the address of the property and  usually, the asking price.

Bank of America/Countrywide                         Freddie Mac
Citi Mortgage                                                           HUD                          
First Federal Bank of California                        FDIC
Chase                                                                          Fannie Mae
HSBC                                                                          VA and IRS
IndyMac/OneWest
Security National                                                  
Sun Trust
U.S. Bank
Wachovia
Wells Fargo