There are certain requirements you must meet and there are specific steps you must follow if you want to become a Notary Public in the great State of California. Requirements to Become a California Notary Public Be a legal resident of the state of CaliforniaBe 18 years of age or olderPass a background check Steps to Become a California Notary Take a six hour training course from a State-Approved Merchant.Complete a California Notary ApplicationPass the California Notary … Learn More about How to Become a California Notary Public