Can nationstar legally sell me a house that they didn't have title to begin with?

What is a good forum for tenants with troublesome landlords to seek legal advice and general information?

With authorization, or legal justification, more detailed records might be accessed.

What are my legal options?

This looks like my only option, but I have no idea whether this is just a small claims issue, or could end up being a legal battle in order to get compensation, and whether that is going to be prohibitively expensive.

The quick, legal answer is become a licensed agent.

You have essentially no liability (you don't have contracts with anyone, your client does), and you have essentially no risk.In most states, you probably need to have a GC license to legally play this role, but in at least a few, you don't (in many, it's not clear based on how the laws are written).

So yes, I would use the threat of legal action - especially if it is in the city code - this makes people control the problem.

However with legal fees and accrued taxes and fines for two years, my total cost is about $13,000 for a house that may get $6-7,000 at auction.

Investors are suing him but I don't think there is a legal background.