If you have a mortgage on the home and are paying on it then yes you own a home. You should also receive a mortgage interest statement which you can enter.
Here is how to enter
Mortgage Interest
1) Click the FEDERAL on the left tab
2) Select DEDUCTIONS & CREDITS at the top of the screen
3) Select show all
tax breaks
4.) Choose YOUR HOME and select Show more
5) Click the START
button on the line in this sub-group that is labeled MORTGAGE INTEREST, REFINANCING & INSURANCE