Where to vote in Danville, California on November 3, 2026
- Where3 placesIn Danville
- Election DayTue, Nov 37 a.m. – 8 p.m.
- Election officeContra Costa County925-335-7800
Find sites near me Find by ZIP code Election office
Danville is in Contra Costa County. Danville has about 43,302 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines.
Danville early voting sites and ballot drop boxes (3)
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.
- Danville Maintenance Service Center
1000 Sherburne Hills Rd, Danville, CA
Open 24/7, Oct. 4 until 8 p.m. sharp on Election Day
Directions - Danville Park and Ride
1000 Sycamore Valley Rd, Danville, CA
Open 24/7, Oct. 4 until 8 p.m. sharp on Election Day
Directions - Danville Town Offices
500 La Gonda Way, Danville, CA
Open 24/7, Oct. 4 until 8 p.m. sharp on Election Day
Directions
The places with a Danville 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 Danville 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 |
Danville voting questions
Where do I vote in Danville 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 Danville?
At the 3 early voting sites and ballot drop boxes 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 Danville?
925-335-7800, the Contra Costa County Elections Office, 555 Escobar Street, Martinez, CA 94553.
Which county runs elections in Danville?
Contra Costa County. Danville voters register and vote with Contra Costa County.
More for Danville 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.