In order to process your homeowner mortgage servicing request, you must submit the following: Mortgage Servicing Request Form, Mortgage Servicing Fee. A payoff request can be created and mailed for free.How long does it take to obtain a payoff? Submit your forms as follows: 1) Inquries and questions can be sent via email to the Plan. 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. Get answers to all your frequently asked questions with MCU. How to fill out the Payoff Request Letter Templates? 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.