The UC’s accept Junior level transfers with 60 semester/90 quarter units. It is possible to transfer in 1 year if you have a large amount of AP or Dual Enrollment credits that can fulfill many of the GE’s and required major classes for transfer. It will also require you to take several summer sessions to stay on track if you want to transfer in 1 year.
If you are not sure about CSULB, then I would start at a community college. CCC to UC’s will get priority and UCSB participates in the TAG program (Transfer Admission Guarantee) where if you meet the course and GPA requirements, you are guaranteed a spot but this is only available as a CCC applicant.
http://admissions.sa.ucsb.edu/applying/transfer/tag
http://admission.universityofcalifornia.edu/counselors/files/tag-matrix.pdf
Mostly likely, it will take you 2 years at a CC to fulfill the TAG requirements for Sociology so I would base my plan on that and you need a minimum 3.2 GPA to maintain your TAG.
You can use the link below to figure out the required major courses/prep needed and your transfer pathway and assist.org to help with the required GE’s.
http://pathwaysguide.universityofcalifornia.edu/college-pathways/0/0
http://www.assist.org/web-assist/welcome.html
These are the minimum requirements for transfers not including your major courses::::
Minimum Transfer Eligibility Requirements
Requirements for admission are explained at the University of California Admissions page. Students must complete the following requirements for transfer admission, listed as items A and B below.
Complete 60 semester or 90 quarter units of transferable college credit with a grade point average of at least 2.4 for California residents and at least 2.8 for nonresidents (no more than 14 semester or 21 quarter units may be taken Pass/Not Pass).
Complete the following seven-course pattern requirement, earning a grade of C or better in each:
Two courses in English composition.
One course in mathematics beyond intermediate algebra, such as college algebra, precalculus or statistics.
Four courses from among at least two of the following areas:
Arts and humanities
Behavioral and social sciences
Biological and physical sciences