Early voting locations in Foster City, California for November 3, 2026
- WhenMon, Oct 5 – Mon, Nov 2Started · 18 days left
- Where2 sites in Foster City50 in all of San Mateo County
- Hours9:00AM-5:00PMMost sites; see each site
- Election Day2 vote centersTue, Nov 3 · in Foster City
Find sites near me Find by ZIP code Election office
Foster City addresses are in San Mateo County. San Mateo County lists 50 early voting sites; 2 of them are in Foster City and listed here.
From the California Secretary of State's official list, checked October 14, 2026. Hours can change, so check before you go.
Foster City early voting sites (2)
- Emergency Operations Center
610 Foster City Blvd, Foster City, CA 94404
October 31 - November 2: 9:00AM-5:00PM
Election Day: 7:00AM-8:00PM
Directions - Foster City Community Center, Wind Room
1000 E Hillsdale Blvd, Foster City, CA 94404
October 31 - November 2: 9:00AM-5:00PM
Election Day: 7:00AM-8:00PM
Directions
Every early voting site in San Mateo County (50) is on the San Mateo County early voting page, with a ZIP code finder.
Foster City Election Day vote centers (2)
Tuesday, November 3. Polls close at 8 p.m.; if you are in line by 8 p.m., you can vote.
- Emergency Operations Center
610 Foster City Blvd, Foster City, CA 94404
Directions - Foster City Community Center, Wind Room
1000 E Hillsdale Blvd, Foster City, CA 94404
Directions
All 50 San Mateo County Election Day vote centers are on the San Mateo County page.
San Mateo County elections office
San Mateo County Elections Office
Office: 40 Tower Road, San Mateo, CA 94402
Phone: 650-312-5222
Regular office hours: 8 a.m. to 5 p.m.
California voting dates for Foster City voters
| Date | What |
|---|---|
| Mon, Oct 5 Ended | Ballots go out to all voters source |
| Mon, Oct 5 Started | Early voting opens source |
| Mon, Oct 19 | Last day to register source |
| Tue, Oct 27 | Last day to request a replacement ballot by mail source |
| Tue, Nov 3, 8:00 PM | Election Day: polls open 7:00 a.m. to 8:00 p.m. source |
| Tue, Nov 3, 8:00 PM | Register and vote the same day source |
| Tue, Nov 3, 8:00 PM | Return your ballot source |
Foster City voting questions
Where can I vote early in Foster City?
At the 2 early voting sites in Foster City on this page, from each county's official list. San Mateo County lists 50 sites in all; see the San Mateo County early voting page.
When does early voting start in Foster City?
Early voting in Foster City (San Mateo County) started Monday, October 5, 2026 at the first sites to open. Some sites open later; each site's days are on this page.
When does early voting end in Foster City?
The last day of early voting in Foster City (San Mateo County) is Monday, November 2, 2026. Election Day is Tuesday, November 3.
What are the early voting hours in Foster City?
Hours differ by site and day. The most common hours are 9:00AM-5:00PM. Check the site you plan to use before you go.
Where do I vote on Election Day in Foster City?
In this Voter's Choice Act county you can vote at any vote center in the county. San Mateo County lists 50 Election Day vote centers on the San Mateo County page. Tuesday, November 3. Polls close at 8 p.m.; if you are in line by 8 p.m., you can vote.
Who can vote early in Foster City?
Any registered voter in Foster City (San Mateo County). In California you can vote at any early voting location in your county (vote centers in Voter’s Choice Act counties). Same-day voter registration is offered where marked.
What is the phone number of the election office for Foster City?
650-312-5222, the San Mateo County Elections Office, 40 Tower Road, San Mateo, CA 94402.
Which county runs elections in Foster City?
San Mateo County. Foster City voters register and vote with San Mateo County.
More for Foster City voters
- California voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- San Mateo County early voting locations, every site in the county.
- San Mateo County election office: address and phone.
- Who is on the California ballot, race by race.
- What's on my ballot and where do I vote, from your street address.
- Voting in every major U.S. city.
Other cities and towns in San Mateo County: San Mateo, Daly City, Atherton, Belmont, Brisbane, Burlingame, Colma, East Palo Alto, Half Moon Bay, Hillsborough, La Honda, Menlo Park, Millbrae, Pacifica, Pescadero, Portola Valley, Redwood City, San Bruno, San Carlos, South San Francisco, Woodside.
Sites, days and hours are San Mateo County's own, copied from its official list (named above); office details are from the California Secretary of State, County Elections Offices (checked October 14, 2026). Dates are California's, each linked to its source. Call the office before you go.