Bureau of Automotive Repair (BAR) is now offering - Online License Renewal for both Individuals and Businesses.
Here is the link: https://www.bar.ca.gov/Industry/Online_License_Renewal/index.html
If that link breaks then go to their homepage: https://www.bar.ca.gov/
For any questions or problems with the proccess please contact BAR Licensing Unit: 855 735-0462