Since the Rental Property was not ready to rent in 2019, you can't deduct expenses related to repairs in 2019.
You can deduct expenses after the property is ready to rent (or between renters), even if you had no rental income.
Click this link for more info on Deducting Rental Property Expenses.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"