You can deduct your mortgage interest and property tax if all your deductions are more than the Standard Deduction .  Your state might have a First Time Homebuyer Credit but not the Federal.

For 2017 the standard deduction amounts are:
Single 6,350 + 1,550 for 65 and over
HOH 9,350 + 1,550 for 65 and over
Joint 12,700 + 1,250 for each 65 and over
Married filing Separate 6,350 + 1,550 for 65 and over