How many counties are there in the San Francisco/San Jose/Oakland Bay Area?
There are nine Bay Area counties
Alameda
Contra Costa
Marin
San Francisco
San Mateo
Santa Clara
Napa
Solano
Sonoma
How many counties are there in the San Francisco/San Jose/Oakland Bay Area?
There are nine Bay Area counties
Alameda
Contra Costa
Marin
San Francisco
San Mateo
Santa Clara
Napa
Solano
Sonoma