How to find amount of equity in pre-foreclosures (Florida)

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I'm looking for off market pre-foreclosures in South Florida and have looked up lis pendens on the counties' records. I don't see where it mentions the amount that is still owed on the mortgage though. Where can I find this information, as well as phone numbers of the owner? I know that Reifax pulls the information from public records, so it must be there somewhere. For anyone who uses reifax or another software that consolidates all the information for you, is it worth it?