Search the locations published in the California Secretary of State’s county finder. Check each service’s dates and hours. A drop box may offer no in-person voting; a listing does not establish your assigned precinct.
107 listings · 107 map points
San Mateo County
Select a point for its details, or browse the accessible list below. Locations may share an address and have different services or hours.
South San Francisco
Alice Bulos Community Center
2380 Galway Dr South San Francisco,CA 94080
Early Voting
Same Day Voter Registration
Ballot Drop-Off Location
Voting hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Ballot drop-off hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 1 of 107
South San FranciscoAlice Bulos Community Center2380 Galway Dr South San Francisco,CA 94080 Get Directions Early Voting Same Day Voter Registration Ballot Drop-Off Location October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Redwood City
American Legion Post 105
651 El Camino Real Redwood City,CA 94063
Early Voting
Same Day Voter Registration
Ballot Drop-Off Location
Voting hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Ballot drop-off hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 2 of 107
Redwood CityAmerican Legion Post 105651 El Camino Real Redwood City,CA 94063 Get Directions Early Voting Same Day Voter Registration Ballot Drop-Off Location October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Bruno
American Legion Post 409
757 San Mateo Ave San Bruno,CA 94066
Early Voting
Same Day Voter Registration
Ballot Drop-Off Location
Voting hours
November 1 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Ballot drop-off hours
November 1 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 3 of 107
San BrunoAmerican Legion Post 409757 San Mateo Ave San Bruno,CA 94066 Get Directions Early Voting Same Day Voter Registration Ballot Drop-Off Location November 1 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM November 1 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Menlo Park
Arrillaga Family Recreation Center
700 Alma St Menlo Park,CA 94025
Early Voting
Same Day Voter Registration
Ballot Drop-Off Location
Voting hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Ballot drop-off hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 4 of 107
Menlo ParkArrillaga Family Recreation Center700 Alma St Menlo Park,CA 94025 Get Directions Early Voting Same Day Voter Registration Ballot Drop-Off Location October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Redwood City
Assessor-County Clerk-Recorder (outside)
555 County Center Redwood City,CA 94063
Ballot Drop-Off Location
24-Hour Ballot Drop Off Location
Ballot drop-off hours
October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 5 of 107
Redwood CityAssessor-County Clerk-Recorder (outside)555 County Center Redwood City,CA 94063 Get Directions Ballot Drop-Off Location 24-Hour Ballot Drop Off Location October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
Redwood City
Assessor-County Clerk-Recorder
555 County Center Redwood City,CA 94063
Early Voting
Same Day Voter Registration
Ballot Drop-Off Location
Voting hours
October 5 - October 9: 9:00AM-5:00PM October 12 - October 16: 9:00AM-5:00PM October 19 - October 28: 9:00AM-5:00PM October 29: 8:00AM-5:00PM October 30 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Ballot drop-off hours
October 5 - October 9: 9:00AM-5:00PM October 12 - October 16: 9:00AM-5:00PM October 19 - October 28: 9:00AM-5:00PM October 29: 8:00AM-5:00PM October 30 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 6 of 107
Redwood CityAssessor-County Clerk-Recorder555 County Center Redwood City,CA 94063 Get Directions Early Voting Same Day Voter Registration Ballot Drop-Off Location October 5 - October 9: 9:00AM-5:00PM October 12 - October 16: 9:00AM-5:00PM October 19 - October 28: 9:00AM-5:00PM October 29: 8:00AM-5:00PM October 30 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM October 5 - October 9: 9:00AM-5:00PM October 12 - October 16: 9:00AM-5:00PM October 19 - October 28: 9:00AM-5:00PM October 29: 8:00AM-5:00PM October 30 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Atherton
Atherton Town Hall (inside)
80 Fair Oaks Ln Atherton,CA 94027
Ballot Drop-Off Location
Ballot drop-off hours
October 5 - October 9: 9:00AM-5:00PM October 13 - October 16: 9:00AM-5:00PM October 19 - October 23: 9:00AM-5:00PM October 26 - October 30: 9:00AM-5:00PM November 2: 9:00AM-5:00PM Election Day: 9:00AM-5:00PM
San Mateo selected in the public county finder; page 1; result 7 of 107
AthertonAtherton Town Hall (inside)80 Fair Oaks Ln Atherton,CA 94027 Get Directions Ballot Drop-Off Location October 5 - October 9: 9:00AM-5:00PM October 13 - October 16: 9:00AM-5:00PM October 19 - October 23: 9:00AM-5:00PM October 26 - October 30: 9:00AM-5:00PM November 2: 9:00AM-5:00PM Election Day: 9:00AM-5:00PM
Daly City
Bayshore Community Center
450 Martin St Daly City,CA 94014
Early Voting
Same Day Voter Registration
Ballot Drop-Off Location
Voting hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Ballot drop-off hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 8 of 107
Daly CityBayshore Community Center450 Martin St Daly City,CA 94014 Get Directions Early Voting Same Day Voter Registration Ballot Drop-Off Location October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Menlo Park
Belle Haven Community Campus (outside)
100 Terminal Ave Menlo Park,CA 94025
Ballot Drop-Off Location
24-Hour Ballot Drop Off Location
Ballot drop-off hours
October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 9 of 107
Menlo ParkBelle Haven Community Campus (outside)100 Terminal Ave Menlo Park,CA 94025 Get Directions Ballot Drop-Off Location 24-Hour Ballot Drop Off Location October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
Menlo Park
Belle Haven Community Campus
100 Terminal Ave Menlo Park,CA 94025
Early Voting
Same Day Voter Registration
Ballot Drop-Off Location
Voting hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Ballot drop-off hours
October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 10 of 107
Menlo ParkBelle Haven Community Campus100 Terminal Ave Menlo Park,CA 94025 Get Directions Early Voting Same Day Voter Registration Ballot Drop-Off Location October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM October 31 - November 2: 9:00AM-5:00PM Election Day: 7:00AM-8:00PM
Belmont
Belmont City Hall (outside)
1 Twin Pines Ln Belmont,CA 94002
Ballot Drop-Off Location
24-Hour Ballot Drop Off Location
Ballot drop-off hours
October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 11 of 107
BelmontBelmont City Hall (outside)1 Twin Pines Ln Belmont,CA 94002 Get Directions Ballot Drop-Off Location 24-Hour Ballot Drop Off Location October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
Belmont
Belmont Public Library (outside)
1110 Alameda De Las Pulgas Belmont,CA 94002
Ballot Drop-Off Location
24-Hour Ballot Drop Off Location
Ballot drop-off hours
October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
San Mateo selected in the public county finder; page 1; result 12 of 107
BelmontBelmont Public Library (outside)1110 Alameda De Las Pulgas Belmont,CA 94002 Get Directions Ballot Drop-Off Location 24-Hour Ballot Drop Off Location October 5 - November 2: Open 24 Hours Election Day: 12:00AM-8:00PM
Listed for San Mateo County, California. The cited official directory identifies this office; task requirements and the availability of individual locations must be confirmed with the office.
Use the Secretary of State’s voter registration application. Read the requirements, identification alternatives and conditional registration guidance below.
Service availability
If you are enrolled in California's confidential address program, Safe At Home, please do not apply to register to vote using this site. Contact the Safe At Home program toll-free at (877) 322-5227 or by the Safe At Home email.
California Secretary of State public location finder. Choose San Mateo to check listed services and opening dates for the November 3, 2026 election. This is a shared state tool; confirm your assigned voting location with your county.
November 3, 2026 general election
VCA counties’ first vote centers open October 24. Early in-person locations throughout California open October 31; individual locations and services have different dates.
Definition of services available: Early Voting: A voter may pick up and/or vote a vote-by-mail ballot at this location. Same Day Voter Registration: Voters can conditionally register and vote after the 15-day voter registration deadline at this location. For more information please go to Same Day Voter Registration Ballot Drop-Off: A secured box where vote-by-mail ballots may be dropped off.