Cal. Civ. Code § 1802.2
"Services" means work, labor and services, for other than a commercial or business use, including services furnished in connection with the sale or repair of goods as defined in Section 1802.1 or furnished in connection with the repair of motor vehicles (except for service contracts as defined by subdivision (p) of Section 2981 which are sold in conjunction with the sale or lease of a vehicle required to be registered under the Vehicle Code) or in connection with the improvement of real property or the providing of insurance, but does not include the services of physicians or dentists, nor services for which the tariffs, rates, charges, costs or expenses, including in each instance the deferred payment price, are required by law to be filed with and approved by the federal government or any official, department, division, commission or agency of the United States.
Ca. Civ. Code § 1802.2