Please complete the form below with as much information as possible. This service allows clients to conveniently secure accurate and up-to-date payoff information regarding the outstanding balance on their mortgage loans.Convenience is key at Dade County Federal Credit Union. We have provided all of our forms online for you to view and download as needed. 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. Convenience is key at Dade County Federal Credit Union. We have provided all of our forms online for you to view and download as needed. We serve members in Miami-Dade and Broward Counties. I recently paid off my car loan.