You don't enter it anywhere if the gain was less than $250,000 ($500K MFJ).
However, if you received a form 1099-S, you may want to enter it to avoid a possible (but unlikely) IRS inquiry.
In TurboTax (TT), enter at:
- Federal Taxes tab
- Wages & Income
Scroll down to:
-Less Common Income
- Sale of Home
