Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started.A mortgage payoff letter can come in two forms. One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. Create a Loan Payoff Letter online and download it as a PDF or Word document. Customize and print a blank Loan Payoff Letter for free. Use a standard business letter format with your name, contact information, and the date at the top. Include the loan or mortgage number. How long after I pay off my auto loan will I receive my title? Submit either the grant deed or the payoff letter to indicate there is nothing outstanding that would reduce the equity value.