How Do I Send Funds For A Payoff? Paying off your mortgage early can save money in the long run.A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Use this free Utah mortgage calculator to estimate your monthly mortgage payments and annual amortization. SmartAsset's Utah paycheck calculator shows your hourly and salary income after federal, state and local taxes. Enter your info to see your take home pay. Payoff Confirmation via Overnight Delivery ; 34. Rocket Mortgage, 635 Woodward Ave.