Drywall Repair in Ceiling
Where I work, living spaces are taped and mudded. Garages typically just get tape. Your vicinity might vary.

More importantly, though, did you have a contract with any specifics about the work to be done? If you have paper, then you'll probably get the job finished.

If you don't, you're probably going to have a bit of a struggle to get it done. If you haven't made the final payment, you've got a bit of leverage.