Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started.Download application forms for accounts and services, get information about credit union fees and more from Suffolk Credit Union in NY. Explore online. 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. Join Assemblywoman Solages and Long Island Housing Services for a discussion around state resources for homeownership and mortgage assistance. • cited as an indicator of unacceptable credit in a denial letter. You'll have to complete a loan application to see mortgage interest rates. Tenancy or mortgage arrangement might not allow you to rent rooms out.