California Community Colleges - over 100 campuses. Apply here http://www.cccapply.org
California State Universities - all 23 campuses. Application opens October 1st - November 30th. Apply here www.csumentor.org
University of California - all 9 campuses. Application available October 1st but cannot submit until November 1st - November 30th. Apply here https://admissions.universityofcalifornia.edu/applicant/login.htm
Private Universities - please see indivdiual campuses websites for their on-line or paper applications and application window.
Common Applications - are used by nearly 500 private universities/colleges. Please see website for participating schools. https://www.commonapp.org/CommonApp/default.aspx