Depends.  Generally, coverage for sole owners of a California business is optional. You would, however, need to have workers’ compensation coverage for any employee you may hire, even if it’s just one employee, and even if it’s just temporary employment. You should consult with your California work comp attorney, insurance agent or broker, or carrier regarding the specifics of your situation and your options.  Also, each situation is unique and you should go over all options available to your specific situation.