Investors & landlords

Yes, it would be investment property and considered a sale of a second home.

 The second home sale can be entered into TurboTax Desktop version by following the steps below.

1. Open your TurboTax account > Wages & Income 
2. Scroll to Investment Income > Select Stocks, Mutual Funds, Bonds, Other > Start or Update
3. Select Enter a different way > Select the type of sale - Other
4. Enter the details of the property sold - Select Second Home from the dropdown continue to enter your information
5. Continue to finish your sale.  
6. See the image below for assistance. 
7. TurboTax Online Search > type 1099b (you're not really entering a 1099b) > Jump to ... Link  > Scroll to Add investments 
8. Whether you specifically select Second Home is not relevant for the tax return itself.