It probably depends who the official registered owner on record is:
In state. Or out-of-state.
Some local parking sweepers for short-term street or neighborhood parking will notate your plate to their database with a camera or manually.
The computer will then check if the registered owner is located out-of-state and a visitor.
YMMV.
https://www.dmv.org/ca-california/car-registration.php
New residents to California are required to register their vehicle(s) within 20 days of establishing residency.
How To Register A Vehicle from Out-of-State (Nonresident Vehicle)
When Do I Have to Pay Fees to Register My Nonresident Vehicle?
Registration fees for your nonresident vehicle must be paid to DMV within 20 days of the date they become due. The date that registration fees become due varies.
With dual-residency this becomes more complicated.
Some athletes and actors have paid hefty fines.