The owner owns the home free and clear, and then took out a reverse loan-HECM line of credit about two years ago.

Traditional banks sometimes balk at it because they see it as riskier, but local credit unions or regional banks tend to be more open to it, especially if you can show a solid plan for development or resale.

When you select the next tenant I would certainly ensure that you have your eyes on the applications that are coming in, and ask that you are involved in the decision making process. 3x income, clean credit and background checks should be a minimum for approval, even if it takes a month or so to find someone. 

Since lost job I am running into the issue with bills, but try to move fast to make sure nothing like my credit is mess up.

You could explore a home equity line of credit (HELOC).Just have to be careful to NOT get in over your head in debt and go bust!

You can also pull credit report, see if they are being sued etc.

Asking for POF (lender pre-approval, bank statement, line of credit etc) for a property like you have is perfectly normal. 

Some lenders looks at age of the company and revenue (e.g. business line of credits) hence single LLC may be easier.

Another option would be local banks/credit unions since they are known to lend on smaller amounts like thisMaybe @Owen Dashner can help?

I paid her $15K via credit card to her paypal account and another $15K by wire money from my bank.