The Cesarean rates for 2012 have been released for California

http://www.cesareanrates.com/california-cesarean-rates/

Listed here from worst to best

Good Samaritan – 42%
Sequoia – 32.6%
El Camino MV – 32.8%
Washington (Fremont) – 32.2%
Kaiser Santa Clara – 30.1%
Valley – 29.9%
O’Connor – 29.9%
Packard – 28.8%
Regional – 27.4%
Dominican – 26.7%
St Louise – 23.5%
Sutter – 23.5%
Kaiser San Jose – 21.8%
Kaiser Redwood City – 19.8%
El Camino LG – 19.6%