Yes. California did not comply with the new tax law so unreimbursed employee expense are still deductible on your state return.
California is one of the states that allows you to claim itemized deductions even if you take the standard deduction on the federal return. Therefore, you will should enter your federal Itemized Deductions even if you don't claim them on your federal return so that they will transfer over to the state return. Please view the California link below for more information.
https://www.ftb.ca.gov/forms/2018/18_540cains.pdf
