It is highly likely they (UCs and CSUs)will consider you a freshman applicant when you apply after graduating HS in a couple of years.
Take a look at the “Who is a freshman applicant?” box on the right here:
http://admission.universityofcalifornia.edu/counselors/freshman/index.html
The transferable units you take will count will count towards your graduation and (i think) be included in you GPA. So entering with 45-60 units will take some time off at the UC but, i am not sure that’s a good thing. Do you really want to have a BS from a UC at 20?
Then what?
If you were my kid, i’d encourage you to slow down a bit and work on the whole you. Focus on the quality of rather than quantity of things you do. There’s no way you can take a full and competitive HS course-load, manage some ECs and take 9 units at the local CC at the same time. Maybe for one semester but, it isn’t sustainable. You will cook yourself. Go ahead and take a CC class each semester/summer but, just one. Find a HS affiliated EC you can dedicate some time to, get great grades in the competitive AP courses your HS offers and build a diversified and interesting profile for your application. Be part of you HS community and soak in the experience, it will be gone in the blink of an eye. These things will make you a happier person, and a more compelling applicant at competitive colleges.