It's such as shame that people don't get their guidance before making these messes.

"The bank put the loan in the name of his S-Corp but filed the deed in his individual name."

I agree with sjrcpa's questions. Look at the names on the forms, such as, the Loan is signed by him, but is it as President and is it a recourse loan and is the property encumbered?

Because all of this should be personal. The business would then be leasing the property from this owner. And the owner makes these payments, not directly from the business.