Take your statement and explain you want to payoff the loan. 1) Call the mortgage department and request an official principal payoff letter.If you are planning to sell your HOA property, you must submit an HOA demand payoff letter. Here's an in-depth explanation of the entire process. 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. Lenders typically use their own forms of payoff letter (see Practice. Note, Security and Guaranties: Release (6-381-2932)). A payoff letter provides instructions on how to pay off a loan with a lump sum before the loan term ends. Learn how payoff letters work.