If you profit from the sale of a home in Arizona, then you may owe some capital gains tax unless you qualify for an exclusion. Homeowners who do not meet the criteria will have to pay capital gains tax on the entire gain they get from selling their property.The Arizona transaction privilege tax (TPT) is actually a tax on a vendor for the privilege of doing business in the state. What is a Capital Gain? A capital gain is the difference between what you paid for an asset and the sales price. If the home is a rental or investment property, use a 1031 exchange to roll the proceeds from the sale of that property into a like investment within 180 days. A handful of numbers are used to calculate the property tax due on each piece of real estate in Arizona. The first is the current cash value of your home. Paper Form: Download and complete the Joint Tax Application (JT-1) and mail to the address indicated on the form. Check out our mortgage payment calculator.