California Professional Licenses
California has several different agencies that license professions or types of businesses.
California Department of Consumer Affairs
Most licensing of professionals in California is done by the California Department of Consumer Affairs.
To see what databases are available online, go to the:
The databases then can be searched by name to determine if someone has a professional license
Other California Licensing Agencies
For other licensed professionals, try:
At that page, select California and then pick a particular occupation. Then follow the links to the address for the website for the licensing agency for that occupation.