Did you live/work in CA in 2020? If so then you prepare and file a 2020 CA return. Moving in 2021 has no effect on the tax return you file for 2020. But do make sure you use your current address on your tax return so that you will receive mail from the IRS and the state.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
