You can use IRS Form 8949 to report details of your capital asset transactions. Real estate sales are considered capital gains, so when you sell a property you account for any profits or losses on your capital gains taxes.Home prices are rising, and selling your primary home could trigger capital gains taxes. Here is how to calculate your tax bill. When Do Homeowners Have To Pay The Capital Gains Tax? If you sell a home, or any other piece of real estate, any profits you make from the sale will be considered capital gains. The sale of your primary residence may offer an exemption from capital gains taxes. Are you required to pay the capital gains tax on your real estate property? You would have to report that sale and possibly pay a capital gains tax on the resulting profit. In this video, I cover the Section 121 Gain on Sale of Home Exclusion and answer the following questions: 1.