Pick the property with the lowest balance or highest interest rate and dump all extra cash into that payment every month till it's gone. 

Just a note to consider on this, we have several large hotels being built in the area, I'm curious to see how it all balances out.

@Michael Plaks I'll take a stab Michael...Number 5 may have a wrinkle if a personal CC was used that had a balance beyond $20k, some or all of which is non-business debt.

However, when you apply for a new mortgage the lender will have you fill out a Schedule of Real Estate Owned form that basically asks about any properties you already own along with any lien holders on those properties, balances owed, monthly payment amounts, etc (see below for what one of these forms looks like).  

I would be willing to finance the balance for him.

Courts will balance the equities. 

I am able to consistently pay down the HELOC using my personal paychecks and some early rental income, and I am making progress, though there is a good balance currently.I'm thinking about changing these all to fixed 30 year mortgages.

Principal balance is $31,000.

Principal balance is $31,000.

If you borrow money to buy your home, you can calculate equity by subtracting your loan balance from the value of your home.