Regions Serviced

GSSS Inc. services areas within the San Francisco Bay Area in Northern California.* Counties and cities include:

Alameda County
Alameda Mount Eden
Albany Newark
Berkeley Oakland
Castro Valley Piedmont
Dublin Pleasanton
Emeryville San Leandro
Fremont San Lorenzo
Hayward Sunol
Kensington Union City
Livermore  
 
Contra Costa County
Alamo Lafayette
Antioch Martinez
Bay Point Moraga
Bethel Island Oakley
Brentwood Orinda
Byron Pacheco
Canyon Pinole
Clayton Pittsburg
Concord Pleasant Hill
Crockett Point Richmond
Danville Port Costa
Diablo Richmond
Discovery Bay Rodeo
El Cerrito San Pablo
El Sobrante San Ramon
Hercules Walnut Creek
Knightsen  
 
Marin County
Belvedere Nicasio
Bolinas Novato
Corte Madera Olema
Dillon Beach Point Reyes Station
Fairfax Ross
Forest Knolls San Anselmo
Greenbrae San Geronimo
Ignacio San Quentin
Inverness San Rafael
Kentfield Sausalito
Lagunitas Stinson Beach
Larkspur Terra Linda
Marshall Tiburon
Mill Valley Tomales
Muir Beach Woodacre
 
Napa County
American Canyon Pope Valley
Angwin Rutherford
Calistoga Saint Helena
Deer Park Spanish Flat
Napa Yountville
Oakville  
 
San Francisco County
San Francisco  
 
San Mateo County
Atherton Montara
Belmont Moss Beach
Brisbane Pacifica
Burlingame Pescadero
Colma Portola Valley
Daly City Princeton by the Sea
East Palo Alto Redwood City
El Granada San Bruno
Foster City San Carlos
Half Moon Bay San Gregorio
Hillsborough San Mateo
La Honda South San Francisco
Loma Mar West Menlo Park
Menlo Park Woodside
Millbrae  
 
Solano County (including unincorporated areas)
Benicia Fairfield
Birds Landing Green Valley
Collinsville Rio Vista
Cordelia Suisin City
Dixon Vacaville
Elmira Vallejo
   

* Portions of cities in specific counties fall under other Union districts. Please contact us for specific cities we offer services in.