Yes, you report all income actually received in 2017 on your tax return even if the rent paid in December is for January, 2018. For Schedule E, Part 1, line 2 this would be considered "Commercial" rental because it is not a residential space for family living, but an office space for business activity.
You can enter your office rental activity by using the steps below.
- Sign into your TurboTax account (online or desktop)
- In the search box, upper right > Search for rentals > Jump to rentals
- Continue to edit or update the property
- Click the images attached to enlarge and view for assistance.