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.1. Enter your personal information and amount owed. Depending on your lender, you may have to sign in to an online account, call a helpline, or send a formal letter to start the request process. 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. Please email this information to as soon as possible. (Check one.) ☐ This request is being made prior to the end of the three year Compliance Period. A newly updated and userfriendly property tax payment portal is now available to all taxpayers in Tarrant County! A payoff letter shows the remaining balance on your mortgage, including fees, interest, etc.