Where to vote in Orinda, California on November 3, 2026
- Where1 placeIn Orinda
- Election DayTue, Nov 37 a.m. – 8 p.m.
- Election officeContra Costa County925-335-7800
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Orinda is in Contra Costa County. Orinda has about 19,507 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines.
Orinda voting place (1)
California mails every voter a ballot. Drop it in any official Contra Costa County drop box (open 24/7 from October 4) by 8 p.m. on Election Day, November 3; no postage needed. You can vote in person at the Elections Office lobby in Martinez from October 5, or at five regional early voting sites on October 30, October 31 and November 2.
- Orinda City Hall
22 Orinda Way, Orinda, CA
Open 24/7, Oct. 4 until 8 p.m. sharp on Election Day
Directions
The places with an Orinda address, from the Contra Costa County Elections, November 3, 2026 General Election (early voting sites and drop boxes), checked October 16, 2026. Hours can change, so check before you go.
Contra Costa County elections office
Contra Costa County Elections Office
Office: 555 Escobar Street, Martinez, CA 94553
Mailing address: P.O. Box 271, Martinez, CA 94553
Phone: 925-335-7800
Regular office hours: 8 a.m. to 5 p.m.
California voting dates for Orinda 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 online or by mail (same-day registration stays open) source |
| Tue, Oct 27 | Last day to request a replacement ballot by mail source |
| Tue, Nov 3, 8 p.m. | Election Day: polls open 7 a.m. to 8 p.m. source |
| Tue, Nov 3, 8 p.m. | Register and vote the same day source |
| Tue, Nov 3, 8 p.m. | Return your ballot source |
Orinda voting questions
Where do I vote in Orinda on Election Day?
At your assigned polling place, or a vote center where Contra Costa County uses them. Polls are open 7 a.m. to 8 p.m. local time. Enter your address on the California page to find yours.
Where can I vote in person in Orinda?
At the voting place on this page, from Contra Costa County's official list. California mails every voter a ballot. Drop it in any official Contra Costa County drop box (open 24/7 from October 4) by 8 p.m. on Election Day, November 3; no postage needed. You can vote in person at the Elections Office lobby in Martinez from October 5, or at five regional early voting sites on October 30, October 31 and November 2.
What is the phone number of the election office for Orinda?
925-335-7800, the Contra Costa County Elections Office, 555 Escobar Street, Martinez, CA 94553.
Which county runs elections in Orinda?
Contra Costa County. Orinda voters register and vote with Contra Costa County.
More for Orinda voters
- California voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Contra Costa County early voting locations, every site in the county.
- Contra Costa 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.
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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; city population and county lines are from the U.S. Census Bureau.