| Member Branches of the CCC IBC | Website |
| Benicia-Vallejo | beniciavallejo-ca.aauw.net |
| Clayton | http://clayton-ca.aauw.net/ |
| Concord | concord-ca.aauw.net |
| Danville-Alamo-Walnut Creek | daw-ca.aauw.net |
| Delta-Contra Costa | dccaauw.blogspot.com |
| Orinda-Moraga-Lafayette | olm-ca.aauw.net |
| Pleasant Hill-Martinez | www.aauw-PleasantHill-Martinez.org |
| San Ramon | SanRamon-ca.aauw.net |
| West Contra Costa | westcontracosta-ca.aauw.net |