Use this unsecured promissory note (installment with balloon final payment) to make your loan official. Create and download a promissory note for free!Such table should also clearly indicate any balloon payments as well, with any required Civil Code language if it is related to a residential loan. The note doesn't require collateral, and the balloon payment gives your business time to grow before having to make a substantial repayment. The proceeds of this Note shall be applied only to the purchase price (and related escrow and title charges) of the Property. All you need to know about promissory notes. Use our builder or a free customizable template for home, car, or business Loan.