Ballot Drop Box Locations
Beginning October 5, 2020, voted ballots may be placed in any secure Ballot Drop Box location throughout San Mateo County.

Post

Drop Boxes inside buildings are open during the building’s business hours.  Outside Drop Boxes are available at any time until Election Day at 8 p.m. Additional locations may become available during the early voting period.

Atherton
City Hall (Inside)
150 Watkins Avenue
Atherton, CA 94027
Belmont
City Hall (Outside)
1 Twin Pines Lane
Belmont, CA 94002
Belmont
Library (Outside)
1110 Alameda de las Pulgas
Belmont, CA 94002
Brisbane
City Hall (Outside)
50 Park Place
Brisbane, CA 94005
Burlingame
Burlingame School District (Outside)
1825 Trousdale Drive
Burlingame, CA 94010
Burlingame
City Hall (Outside)
501 Primrose Road
Burlingame, CA 94010
Burlingame
Temporary Recreation Center (Outside)
1010 Burlingame Avenue
Burlingame, CA 94010
Colma
Community Center (Inside)
1520 Hillside Boulevard
Colma, CA 94014
Colma
Town Hall (Outside)
1198 El Camino Real
Colma, CA 94014
Daly City
City Hall (Outside)
333 90th Street
Daly City, CA 94015
East Palo Alto
Government Center (Outside)
2415 University Avenue
East Palo Alto, CA 94303
East Palo Alto
Ravenswood City School District Office (Inside)
2120 Euclid Avenue
East Palo Alto, CA 94303
East Palo Alto
University Circle (Inside)
1900 University Avenue
East Palo Alto, CA 94303
Foster City
City Hall (Outside)
610 Foster City Boulevard
Foster City, CA 94404
Half Moon Bay
City Hall (Outside)
501 Main Street
Half Moon Bay, CA 94019
Half Moon Bay
New Leaf Community Market (Inside)
150 San Mateo Road
Half Moon Bay, CA 94019
Hillsborough
Town Hall (Outside)
1600 Floribunda Avenue
Hillsborough, CA 94010
La Honda
Fire Brigade (Outside)
8945 La Honda Rd
La Honda, CA 94020
Menlo Park
City Hall (Outside)
701 Laurel Street
Menlo Park, CA 94025
Menlo Park
Onetta Harris Community Center, (Outside)
100 Terminal Avenue
Menlo Park, CA 94025
Millbrae
City Hall (Outside)
621 Magnolia Avenue
Millbrae, CA 94030
Pacifica
City Hall (Outside)
170 Santa Maria Avenue
Pacifica, CA 94044
Pescadero
Fire Station 59 (Outside)
1200 Pescadero Creek Road
Pescadero, CA 94060
Portola Valley
Town Hall (Outside)
765 Portola Road
Portola Valley, CA 94028
Redwood City
City Hall (Outside)
1017 Middlefield Road
Redwood City, CA 94063
Redwood City
County Center (Inside and Outside)
555 County Center 
Redwood City, CA 94063
San Bruno
Senior Center (Outside)
1555 Crystal Springs Road
San Bruno, CA 94066
San Bruno
City Hall (Outside)
570 Linden Avenue
San Bruno, CA 94066
San Carlos
City Hall (Outside)
1041 San Carlos Avenue
San Carlos, CA 94070
San Carlos
Library (Inside)
610 Elm Street
San Carlos, CA 94070
San Mateo
Main Library (Inside)
55 West 3rd Avenue
San Mateo, CA 94402
San Mateo
City Hall (Outside)
330 West 20th Avenue
San Mateo, CA 94403
San Mateo
Registration & Elections Division (Inside and Outside)
40 Tower Road
San Mateo, CA 94402
San Mateo
Recreation Center (Outside)
725 Monte Diablo Avenue
San Mateo, CA 94401
San Mateo
Marina Library (Outside)
1530 Susan Court
San Mateo, CA 94402
South San Francisco
City Hall (Outside)
400 Grand Avenue
South San Francisco, CA 94080
South San Francisco
Library (Outside)
840 W Orange Avenue
South San Francisco, CA 94080
Woodside
Town Hall (Outside)
2955 Woodside Road
Woodside, CA 94602