do I have to include a copy of my Federal to State for my california returns?

Are you mailing instead of Efiling?

540 Instructions page 19 say

Other than Schedule A (Form 1040) or Schedule B (Form 1040), did you attach any federal forms or schedules to your federal Form 1040?

If No, do not attach a copy of your federal Form 1040 return to Form 540.

If Yes, attach a copy of your federal Form 1040 return and all supporting federal forms and schedules to Form 540.

Exception: If you did not itemize deductions on your federal tax return but will itemize deductions on your California tax return, complete and attach a copy of the federal Schedule A (Form 1040) to Form 540.

https://www.ftb.ca.gov/forms/2019/2019-540-booklet.pdf