Mortgage Tax Calculator

(First Modification)

Key the date of the original mortgage, the maturity date of the original mortgage, and the amount of the original mortgage into the applicable fields. You must use mm/dd/yyyy format when keying in the date of the mortgage and the maturity date of the mortgage.

Date of Original
Mortgage
(MM/DD/YYYY)

Maturity Date of Original Mortgage
(MM/DD/YYYY)

Amount of Original
Mortgage

Enter the date of the modification, the maturity date of the modification, and the principal balance as stated in the modification in the applicable fields below. You must use mm/dd/yyyy format when keying in the date of the modification and the maturity date of the modification.
Date of Modification (MM/DD/YYYY)	Maturity Date of Modification (MM/DD/YYYY)	Current Principal Balance as Stated in the Modification

Enter the date you paid mortgage tax on the original mortgage, the amount of mortgage tax paid on the original mortgage, and the receipt number for the transaction in the applicable fields below and click on “Calculate”.
Date of Mortgage Tax Payment (MM/DD/YYYY)	Amount of Mortgage Tax Payment	Receipt Number	TOTAL DUE TO TREASURER $ 0.00

To print a pre-filled affidavit, type the Mortgagor and Mortgagee names in the applicable fields below. Click on “Create Affidavit”. The pre-filled affidavit will be displayed on your screen. Print it on plain paper, sign it, and have your signature notarized. Send the affidavit in with your instrument.
Mortgagor	Mortgagee

If additional assistance is needed in navigating the first modification calculator, please contact the Tulsa County Treasurer’s office at 918.596.5053.