Still haggling this deal but thought I would make sure to record the experience and share.

Some examples are;-County website for actual prop tax bills-Tenant estoppels-Actual utility bills-Bank statements and tax records-Verify insurance premiums with your carrierSome say "Trust, but verify," I say "Trust that someone selling you something will only show you what you want to see.......So verify."

The cheapest/potentially no-cost option is just doing public records searches and contacting owners directly.

What is the best way to provide a legal buffer and prevent your home address from going on public record?

She also said they have been in business for a long time, that they had proprietary software that used county records to find vacant properties in any state and that they were "A-Rated" by the BBB.

Request a business plan or financial records to gauge their ability to repay the loan.

Maintain separate accounting records for the LLC, have LLC property properly titled in te name of the LLC, and you should be well protected from any attempt to hold you personally liable for LLC acts.  

One of the good things about DSCR Lenders is that the guidelines and programs are different and not cookie-cutter 100% equivalent like conventional lenders that all must mirror the GSEs, etc.Most DSCR Lenders will have similar rates and terms and generally similar processes - so generally what will make the "best" one is the best one for your needs - I would focus on any specialties or niches - like short term rentals, if you do multifamily or mixed use, BRRRR Method or focus in on a specific market - find someone who specializes and has a good track record in that niche or area

@Jerome MorelosIt will be similar to what you sign with a bank, there will be a note (which is the iou which states how much you can borrow and at what terms and length)Then there will be a deed in trust (assuming California) which is a recorded document that uses the property as security.

You could make up an assignment, not record it, and send it to the person to hold to secure the loan, but if they recorded it, you would be screwed.