County Members

In 1979, 29 California counties formed the CSAC Excess Insurance Authority, a Joint Powers Authority, for the sole purpose of finding cost effective insurance solutions and risk management services for members like you. EIA's innovative and successful approach to insurance has been noticed across the state. Membership has expanded to include 55 of 58 counties in California.

Access County Information

Find information about member counties below. Each county's profile includes:

  • Board member and alternate member contact information
  • Program and committee participation records
County Name Member Since
Alameda County Jun 1, 1988
Alpine County Jul 1, 1986
Amador County Nov 1, 1979
Butte County Nov 1, 1979
Calaveras County Nov 1, 1979
Colusa County Jul 1, 1986
Contra Costa County Oct 1, 1994
Del Norte County Jul 1, 1980
El Dorado County May 1, 1992
Fresno County Nov 1, 1979
Glenn County Jul 1, 1986
Humboldt County Nov 1, 1979
Imperial County Jul 1, 1986
Inyo County Nov 1, 1979
Kern County May 31, 1989
Kings County Jul 1, 1980
Lake County Nov 1, 1979
Lassen County Jul 1, 1980
Madera County Apr 1, 1980
Marin County Jul 1, 1992
Mariposa County Jul 1, 1986
Mendocino County Nov 1, 1979
Merced County Jul 1, 1986
Modoc County Jul 1, 1985
Mono County Jan 23, 1993
Monterey County Jul 1, 1992
Napa County Jul 1, 1988
Nevada County Nov 1, 1979
Orange County Mar 31, 2009
Placer County Jul 1, 1980
Plumas County Jul 1, 1984
Riverside County Jul 1, 1984
Sacramento County Apr 1, 1992
San Benito County Mar 18, 1993
San Bernardino County Mar 31, 2014
San Diego County Jun 15, 1993
San Joaquin County Jul 1, 1995
San Luis Obispo County Nov 1, 1979
Santa Barbara County Nov 1, 1979
Santa Clara County Jun 30, 1984
Santa Cruz County Nov 1, 1979
Shasta County Nov 1, 1979
Sierra County Jul 1, 1986
Siskiyou County Oct 8, 1985
Solano County Jul 1, 1981
Sonoma County Nov 1, 1979
Stanislaus County Jan 1, 1986
Sutter County Jul 1, 1986
Tehama County Nov 1, 1979
Trinity County Jul 1, 1980
Tulare County Jun 30, 1988
Tuolumne County Oct 1, 1980
Ventura County Sep 21, 2004
Yolo County Jul 1, 1999
Yuba County Jul 1, 1981