If you are CA residents, then the policy I quoted above should apply. I would still contact the UC your daughter ends up attending to confirm but it looks like she will get in-state tuition all 4 years if you move after she enrolls and attends.
Here is another discussion that may pertain to your situation:
We can’t be the first family facing this, so I thought I’d throw it out of the group here. My husband, daughter and I have lived in California for 10 years. It’s been our plan to move back to the east coast for the last several years, we’re just waiting for D to graduate high school. She wants to attend college in CA and has applied to several CSUs and UCs.
She is applying for the Fall 2018 term and will turn 19 in November of next year. We don’t plan to move OOS until 2019 so her residency will be established for the first year of school. Going forward however, I’m worried about her residency changing to OOS for tuition purposes.
She has a CA driver’s license will register to vote and will get a part time job. My concern is that her only CA address once we leave will be either her school address or a PO Box. I have read the school residency rules and have sent emails to a few of them (waiting on a reply from most) to confirm that this can be done. However, I’m curious to hea…