Each California PBL local chapter operates independently, with locally elected officers and advisers. Throughout the year, chapters often work together on projects, plan joint activities, and participate in state events and conferences.
Registered chapters as of January 2009:
California State University, Fullerton, est. 2003
California State University, Sacramento, est. 2008
Cerritos College, est. 1950
Claremont McKenna College, est. 2009
College of the Canyons, est. 2008
Crafton Hills College, est. 2005
DeVry University, Fremont, est. 2006
Devry University, Long Beach, est. 2009
DeVry University, Sherman Oaks, est. 2008
Diablo Valley College, est. 2006
Fullerton College, est. 2006
Las Positas College, est. 2009
North Centers of Reedley College, est. 2005
Occidental College, est. 2007
Rio Hondo College, est. 2005
Riverside Community College, est. 2007
Santiago Canyon College, est. 2007
Sierra College, est. 2008
Sonoma State University, est. 2008
University of California, Berkeley, est. 2004
University of California, Irvine, est. 2010
University of California, Los Angeles, est. 2003
University of California, Riverside, est. 2005
University of California, San Diego, est. 2004
University of Southern California, est. 2007