Go to the Rental section of TurboTax.
There are questions that are asked and you need to mark that you sold the rental property and after you go through the rental income and expenses, you should get a screen that asks about the sale.
If not, go to the Asset summary in the Rental.
Now when a rental is sold, you need to allocate the sales price to all the assets that were sold.
Most common are the Building, Land and improvements and equipment that may have been capitalized recently such as a new roof or HVAC system.
The reason it is reported here is that the cost of the property will be shown and the amount of depreciation taken will also be shown.
Don't worry about the 1099S, the main thing is that the total sale is reported.
