Sannie, If you mean like a Tax sale then you might want to check here .
This might come in handy... http://publicrecords.onlinesearches.com/
If you wondering about the REO/Gov. Foreclosures then they have databases they provide to the public for free. Like these... http://hud1.towerauction.net/CA.htm ... http://www.pasreo.com/pasreo/public/propertySearch.do
You can find the links to the Databases here and as you can see they will provide you with the purchase/bid information.... http://www.mortgagenewsdaily.com/wiki/REO_Database_List.asp
Good hunting, Dunes