California BanCorp operates as the bank holding company for California Bank of Commerce that provides commercial banking services in California. It accepts various deposit products, including commercial checking, savings, and money market accounts, as well as certificates of deposit. The company also offers asset-based lending loans; standby letters of credit; construction and development loans; real estate loans, such as commercial real estate loans and other loans; small business administration (SBA) loans, including SBA 7(a) and SBA 504 loans; consumer loans, such as secured and unsecured installment loans, and revolving lines of credit; and commercial and industrial loans, including term loans, working capital, accounts receivable and inventory financing, and other business loans to the dental and veterinary industries, contractors, and emerging companies.