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.How to fill out the Payoff Request Letter Templates? The guide below is intended to provide you assistance in preparing and recording a homestead declaration on your own. 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. Use this mortgage calculator to calculate estimated monthly mortgage payments and rate options. Request your free payoff quote in one of two convenient ways. You'll choose your good-through date up to 30 days. Loan Payoffs and Lease Buyouts.