Personal property tax is deductible if it is a state or local tax that is:
A tax that meets the above requirements can be considered charged on personal property even if it is for the exercise of a privilege. For example, a yearly tax based on value qualifies as a personal property tax even if it is called a registration fee and is for the privilege of registering motor vehicles or using them on the highways.
On the deductions summary tab, select "itemized deductions", click on start at "taxes you paid".