Unfortunately the information below is not correct.
Normally what you see on the foreclosure websites is a list of homes or lots that have been sent a NOD or Notice of Default. Many of these will not ever go to foreclosure. If they do it could be months or years before they go to auction. These can include tax liens or 2nd mortgages which could be worthless. Normally the ones that go to auction are bought back by the lender. Some of the stats I've seen show that 90pct or more get bought back by the lender. When they do, they'll resale them at some point, but, even after the auction sometimes we see it can be several months or years before they get put back on the market.
This is the case in Vaquero where I see several lots own by lenders, but not on the market.
We can still try to track down the asset managers and make offers on these if you are interested. In the $200,000 range, these will be lots though, not completed homes.