What is a Payoff Agreement? A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment.A versatile form template designed to facilitate the process of requesting specific information from individuals, organizations, or businesses. Paying off your mortgage early can save money in the long run. Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started. Los Angeles, CA 90074-2968. Use our free commercial real estate loan calculator to calculate the details of a commercial mortgage easily and quickly. Loan servicing and loan modification information from Carrington Mortgage. Our law firm has offices in Los Angeles, Carlsbad, Bay Area, and Irvine.