Note: The purchased version of this document includes a Loan Amortization Schedule Calculator (in Microsoft Excel format). An option for a longer amortization, with a final balloon payment at the end of the 20year term.A balloon loan is a type of loan that does not fully amortize over its term. Lender must document in credit memo justification of any term that exceeds 10 years; real estate up to 25 years. Mortgage balloons more than five years out, and, while debt coverage is minimum at 1.10x, project is currently cashflowing. In the calculation of Maximum Annual Debt Service, any interest, principal, or. Palm Beach County, in the city of Lake Worth Beach, Florida.