You do not enter the depreciation. into TurboTax.
Outside of TurboTax you calculate the Cost Basis of the Property.
Add together the original cost of the home, any major improvements made, and any costs involved in selling the property. Then from that number, subtract the depreciation for the years when it was rented. The result is your cost basis, and you enter the cost basis into TurboTax when you enter the sale of the rental property.
Here is some additional reading material Real Estate Tax and Rental Property - TurboTax Tax Tips & Videos (intuit.com)
