Golden Gate Ferry provides daily ferry service between Larkspur or Sausalito (Marin County) and San Francisco.

County Connection (Central Contra Costa Transit Authority, or CCCTA) provides transit service within central Contra Costa County with connections to Pleasanton and Antioch. The bus routes serve Clayton, Concord, Danville, Lafayette, Martinez, Moraga, Orinda, Pleasant Hill, San Ramon, Walnut Creek, and unincorporated areas of Central County. Formed in 1980, County Connection has grown from a fleet of 12 small buses to more than 120 ramp/wheelchair lift-equipped buses.

Tri Delta Transit provides over 2,500,000 trips each year to a population of nearly 315,000 residents in the 225 square miles of Eastern Contra Costa County. Tri Delta Transit operates 14 local bus routes Monday-Friday, 4 local bus routes on weekends, on-demand ride share service Tri MyRide, Express Route 300 commuter route, and a paratransit door-to-door bus service for senior and disabled individuals.

Santa Rosa CityBus operates 17 regular routes, primarily within the City of Santa Rosa. Hours of operation are 6:00 AM to 8:25 PM Monday through Friday; 6:00 AM to 8:15 PM on Saturday; and 10:00 AM to 5:15 PM on Sunday. 

The Alameda-Contra Costa Transit District is better known as AC Transit. AC Transit serves 13 cities and adjacent unincorporated areas in the East Bay from Richmond to Fremont, and operates 138 local bus lines within the East Bay and 31 Transbay bus lines across the bridges to San Francisco and the Peninsula. AC Transit buses connect with nine other public and private transit systems, 21 BART stations, six Amtrak stations, and three ferry terminals. It is the third largest all-bus system in California.

Caltrain operates weekday trains between San Francisco and San Jose, with commute-hour service to Gilroy. Weekend service is offered from San Francisco to San Jose.

San Francisco Bay Ferry provides ferry service between: Alameda/Oakland and San Francisco; Alameda/Oakland and South San Francisco; Harbor Bay and San Francisco; and Vallejo and San Francisco.

San Francisco Bay Ferry is operated by the San Francisco Bay Area Water Emergency Transportation Authority.

Marin Transit provides daily local bus, community shuttle, West Marin Stagecoach, and paratransit services within Marin County.

Rio Vista Delta Breeze is a regional transit system that offers deviated fixed-route bus service within the City of Rio Vista and between Isleton, Rio Vista, Fairfield, and Suisun City. The bus actually comes to your door! 

Transit services are provided Monday through Friday, from 5:00 AM to 7:30 PM. There is no service on weekends and holidays.