First you need to know what the payoff figure is. Add or Remove a Lien on a Vehicle.To add or remove a lien on your vehicle title, visit your local county tax office. 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 the lender's name and loan account number. 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. Life experiment that compares paying off a mortgage early versus investing the same amount of money in the markets! Complete Onboarding.