Edu for a Payoff Request. Edit, sign, and share loan payoff letter online.No need to install software, just go to DocHub, and sign up instantly and for free. You may also need to fill out a form and supply details like your name, signature, contact info, account number, property address, and desired payoff date. Edit, sign, and share sample payoff letter for private mortgage online. 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. 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. For an official statement verifying your existing mortgage balance, monthly payments, and any late payments, please complete a 3rd Party Authorization form.