Admit rate for the CS major at various UCs (from UC Freshman Admission by Discipline):
UCB: 4%
UCD: 19%
UCI: 17%
UCLA: 3%
UCR: 49%
UCSD: 12%
UCSB: 10%
UCSC: 59%
You’re a competitive applicant, but this major is popular and many other applicants will also have high GPAs and impressive course rigor. For the best chance at the most selective UCs, be sure to devote adequate time to developing strong PIQs and strong descriptions of your ECs on the activities list.