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.A payoff letter shows the remaining balance on your mortgage, including fees, interest, etc. Learn more about what a payoff quote is and how to request one. The Treasurer and Tax Collector mails the Annual Secured Property Tax Bills each year in October to every owner listed on the Secured Tax Roll. Enter the amount that should have been withheld on Form 593, Real Estate Withholding Statement, line 34 and certify this is a cash poor transaction on Side 3. Paying off your mortgage early can save money in the long run. Use this mortgage calculator to calculate estimated monthly mortgage payments and rate options. Use this mortgage calculator to calculate estimated monthly mortgage payments and rate options. Documents and forms to be filled out.