According to the CSU local service area and the SJSU website, locals are HS graduates from Santa Clara county schools. Local applicants get a 0.25 GPA bump according to the SJSU website.
As of Fall 2019, an increased preference was given to local applicants through a 0.25 GPA increase in the calculation for those applicants who will graduate from a high school in Santa Clara County.
San Jose State University:
https://www.collegeconfidential.com/colleges/san-jose-state-university/
Join SJSU Forum Discussions: https://talk.collegeconfidential.com/t/sjsu-class-of-2025-regular-decision-release-date-feb-22/3499813/191