To get a payoff letter, ask your mortgage lender for an official payoff statement and let them know what the projected closing date is. This document serves to provide authorization to your mortgage lender(s) to release your mortgage payoff to.A payoff letter shows the remaining balance on your mortgage, including fees, interest, etc. Learn more about what a payoff quote is and how to request one. A letter of request must be submitted stating that you would like to have your monthly payment re-amortized. You must request a mortgage payoff letter from your lender. Payoff Demand Statement requests can be sent by. In this scenario, don't give up. Review your old explanation for anything you might have accidentally left out. I contacted my mortgage company requesting documentation.