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 lender or servicer may not refuse to accept funds received that conform with the amount provided in a current, valid estoppel letter.Mortgage Payoff Letters are essential documents in the process of finalizing a property transaction. In the formula, B stands for the payoff balance due in dollars. L is the total loan amount in dollars. If you want to know what it will take to pay off a loan, you'll need to access a payoff statement (sometimes called a payoff letter). How Do Florida Mortgage Satisfactions Work? You have all you need to find, complete, and eSign any document here. The first step in paying off the remainder of your loan early and getting a mortgage lien released is requesting a payoff letter from your lender.