There are 22 tribal courts in California, serving 39 tribes. Some of the tribal courts are regional and serve multiple tribes, including the Northern California Intertribal Court System, and the Inter-Tribal Court of Southern California.
Here is a list of the Tribal Courts in California with links to each of their websites, including a list of the Tribal Courts organized by County.
Comprehensive information about Tribal Justice System in California is available on the California Courts website, including a directory of Tribal Courts, Judicial Council resources for Tribal Justice Systems, Jurisdiction in Indian Country, a list of National Tribal Justice organizations, and other resources.
American Indian Law in a Nutshell, 5th by 
American Indian Tribal Courts by 
Cohen's Handbook of Federal Indian Law by 
United States Tribal Courts Directory by Some Tribal Courts in California have had Judicial Council forms adapted for their use. To see a list of the adapted forms, see this page from the California Courts website.
For Indians and Indian Country, special rules of state and local jurisdiction apply. According to the California Courts website, "Indian Country" (as defined by 18 U.S.C. 1151) in California means over 100 federally recognized tribes with nearly 100 separate reservations or Rancherias, and several individual Indian trust allotments.
Here is an overview of the jurisdictional rules that apply to Indians and Indian Country in California.
Here is a powerpoint presentation from California Courts on Tribal and State Jurisdiction in California.
For additional information on this subject see the California Courts web page on Indian Country Jurisdiction.
