Payoff Request Form. First name, Last name, Account Number (optional), Phone, Street address, Apartment, suite, etc.Create a Loan Payoff Letter online and download it as a PDF or Word document. Customize and print a blank Loan Payoff Letter for free. Use our free Nassau County, Florida mortgage closing costs calculator to quickly estimate your closing expenses on your home mortgage. Most forms may be filled out on your computer, printed and submitted for filing with the Department of State. Step 1: "Accept" your loan award.