KCBS, 740 AM, is an all-news radio station located in San Francisco, California, United States. The station serves as an affiliate of the CBS Radio Network (of which KCBS serves as its West Coast flagship station) and Dial Global. The station is owned by the CBS Radio subsidiary of CBS Corporation. The station shares studios with CBS owned-and-operated television station KPIX-TV (channel 5) on Battery Street, and its transmitter is located in Novato.