A balloon mortgage is usually rather short, with a term of five to seven years, but the payment is based on a term of 30 years. Do you need help understanding your debt financing terms?Lender as an additional obligee under any surety bond furnished in the contest proceedings. Evidence of Payment. Enter your desired payment and let us calculate your loan amount. Or, enter in the loan amount and we will calculate your monthly payment. Obligee under any surety bond furnished in the contest proceedings. Balloon maturity refers to a scenario when the final payment to repay a debt is significantly larger than the previous payments.