Arizona Department of Revenue. You itemize deductions.• You claim tax credits other than the family income tax credit, the property tax credit or the credit for increased excise taxes. D Application Form (Must be filled out in BLUE ink). Use SmartAsset's free Arizona mortgage loan calculator to determine your monthly payments, including PMI, homeowners insurance, taxes, interest and more. Use SmartAsset's free Arizona mortgage loan calculator to determine your monthly payments, including PMI, homeowners insurance, taxes, interest and more. By setting up Auto Pay in MyAccount online or on the GM Financial Mobile app, you can have your payments automatically withdrawn from your bank account. Thank you for completing this form. To sign up for updates, please enter your e-mail address below. You'll have to complete a loan application to see mortgage interest rates.