The Official Language in California is English - Officially. . .

Did You know that in California, the official language is English?

CONSTITUTION ARTICLE 3 STATE OF CALIFORNIA
SEC. 6. (a) Purpose. English is the common language of the people of the United States of America and the State of California. This section is intended to preserve, protect and strengthen the English language, and not to supersede any of the rights guaranteed to the people by this Constitution.
(b) English as the Official Language of California. English is the official language of the State of California.
(c) Enforcement.
The Legislature shall enforce this section by appropriate legislation. The Legislature and officials of the State of California shall take all steps necessary to insure that the role of English as the common language of the State of California is preserved and enhanced. The Legislature shall make no law which diminishes or ignores the role of English as the common language of the State of California.
(d) Personal Right of Action and Jurisdiction of Courts. Any person who is a resident of or doing business in the State of California shall have standing to sue the State of California to enforce this section, and the Courts of record of the State of California shall have jurisdiction to hear cases brought to enforce this section. The Legislature may provide reasonable and appropriate limitations on the time and manner of suits brought under this section.

Thanks to We The People of Southwest Riverside County