State tax filing

Be sure to ask your employer if they will still withhold CA taxes for you after they relocate to NC.  If they will not or cannot do so, you'll have to begin making quarterly estimated tax payments to CA.   You can find the details on that here:

https://www.ftb.ca.gov/pay/estimated-tax-payments.html

**Answers are correct to the best of my ability but do not constitute tax or legal advice.