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.
196 listings · 196 map points
Contra Costa County
Select a point for its details, or browse the accessible list below. Locations may share an address and have different services or hours.
Contra Costa selected in the public county finder; page 1; result 1 of 196
LafayetteAcalanes High School1200 Pleasant Hill Rd Lafayette,CA 94549 Get Directions Same Day Voter Registration Ballot Drop-Off Location Election Day: 7:00AM-8:00PM Election Day: 7:00AM-8:00PM
Contra Costa selected in the public county finder; page 1; result 2 of 196
BrentwoodAdams Middle School - Brentwood401 American Ave Brentwood,CA 94513 Get Directions Same Day Voter Registration Ballot Drop-Off Location Election Day: 7:00AM-8:00PM Election Day: 7:00AM-8:00PM
Contra Costa selected in the public county finder; page 1; result 4 of 196
AlamoAlamo Plaza Shopping Center190DB Alamo Plz Alamo,CA 94507 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
Contra Costa selected in the public county finder; page 1; result 5 of 196
ConcordAlberta Way Chapel - LDS1360 Alberta Way Concord,CA 94521 Get Directions Same Day Voter Registration Ballot Drop-Off Location Election Day: 7:00AM-8:00PM Election Day: 7:00AM-8:00PM
Contra Costa selected in the public county finder; page 1; result 6 of 196
San RamonAlcosta Senior and Community Center9300 Alcosta Blvd San Ramon,CA 94583 Get Directions Same Day Voter Registration Ballot Drop-Off Location Election Day: 7:00AM-8:00PM Election Day: 7:00AM-8:00PM
San Ramon
Alcosta Senior Center
9300DB Alcosta Blvd San Ramon,CA 94583
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
Contra Costa selected in the public county finder; page 1; result 7 of 196
San RamonAlcosta Senior Center9300DB Alcosta Blvd San Ramon,CA 94583 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
Contra Costa selected in the public county finder; page 1; result 8 of 196
San RamonAmador Rancho Community Center1998 Rancho Park Loop San Ramon,CA 94582 Get Directions Same Day Voter Registration Ballot Drop-Off Location Election Day: 7:00AM-8:00PM Election Day: 7:00AM-8:00PM
Contra Costa selected in the public county finder; page 1; result 9 of 196
Bay PointAmbrose Community Center3105 Willow Pass Rd Bay Point,CA 94565 Get Directions Same Day Voter Registration Ballot Drop-Off Location Election Day: 7:00AM-8:00PM Election Day: 7:00AM-8:00PM
Bay Point
Ambrose Community Center
3105DB Willow Pass Rd Bay Point,CA 94565
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
Contra Costa selected in the public county finder; page 1; result 10 of 196
Bay PointAmbrose Community Center3105DB Willow Pass Rd Bay Point,CA 94565 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
Antioch
Antioch City Hall
200DB H St Antioch,CA 94509
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
Contra Costa selected in the public county finder; page 1; result 11 of 196
AntiochAntioch City Hall200DB H St Antioch,CA 94509 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
Contra Costa selected in the public county finder; page 1; result 12 of 196
AntiochAntioch Community Center4703 Lone Tree Way Antioch,CA 94531 Get Directions Same Day Voter Registration Ballot Drop-Off Location Election Day: 7:00AM-8:00PM Election Day: 7:00AM-8:00PM
Listed for Contra Costa 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 Contra Costa 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.