General liability insurance:

Also known as commercial general liability insurance or, business liability insurance, helps cover costs for property damage and bodily injury claims against your business.

Note: There are two types of liability coverage you can purchase. The occurrence policy covers claims resulting from an injury or another event that occurs during the policy term. A claims-made policy covers claims that are made during the policy period.

Workers Compensation:

Workers compensation insurance provides benefits to employees who suffer work-related injuries or illnesses. This insurance helps pay for medical care, wages from lost work time. Mandatory by California law to have workers compensation if you have employees.

Bond

Bond act as a financial guarantee that the principal will fulfill the obligations outlined in the contract agreement with the oblige

Information available https://www.cslb.ca.gov/