Vote Clock

Early voting locations in Costa Mesa, California for November 3, 2026

Map of California with Orange County, home to Costa Mesa, highlighted
Orange County, California, home to Costa Mesa. Map: U.S. Census Bureau boundaries.

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Costa Mesa is in Orange County. Costa Mesa has about 108,881 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines. Orange County lists 193 early voting sites; 6 of them are in Costa Mesa and listed here.

From the California Secretary of State's official list, checked October 14, 2026. Hours can change, so check before you go.

Costa Mesa early voting sites (6)

Every early voting site in Orange County (193) is on the Orange County early voting page, with a ZIP code finder.

Costa Mesa Election Day vote centers (6)

Tuesday, November 3. Polls close at 8 p.m.; if you are in line by 8 p.m., you can vote.

All 192 Orange County Election Day vote centers are on the Orange County page.

Orange County elections office

Orange County Elections Office

Office: 1300 South Grand Avenue, Bldg. C, Santa Ana, CA 92705

Mailing address: P.O. Box 11298, Santa Ana, CA 92711

Phone: 714-567-7600 or 888-628-6837

Regular office hours: 8 a.m. to 5 p.m.

Directions

California voting dates for Costa Mesa voters

DateWhat
Mon, Oct 5 EndedBallots go out to all voters source
Mon, Oct 5 StartedEarly voting opens source
Mon, Oct 19Last day to register source
Tue, Oct 27Last day to request a replacement ballot by mail source
Tue, Nov 3, 8:00 PMElection Day: polls open 7:00 a.m. to 8:00 p.m. source
Tue, Nov 3, 8:00 PMRegister and vote the same day source
Tue, Nov 3, 8:00 PMReturn your ballot source

Costa Mesa voting questions

Where can I vote early in Costa Mesa?

At the 6 early voting sites in Costa Mesa on this page, from each county's official list. Orange County lists 193 sites in all; see the Orange County early voting page.

When does early voting start in Costa Mesa?

Early voting in Costa Mesa (Orange 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 Costa Mesa?

The last day of early voting in Costa Mesa (Orange County) is Monday, November 2, 2026. Election Day is Tuesday, November 3.

What are the early voting hours in Costa Mesa?

Hours differ by site and day. The most common hours are 7:00AM-8:00PM. Check the site you plan to use before you go.

Where do I vote on Election Day in Costa Mesa?

In this Voter's Choice Act county you can vote at any vote center in the county. Orange County lists 192 Election Day vote centers on the Orange 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 Costa Mesa?

Any registered voter in Costa Mesa (Orange 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 Costa Mesa?

714-567-7600 or 888-628-6837, the Orange County Elections Office, 1300 South Grand Avenue, Bldg. C, Santa Ana, CA 92705.

Which county runs elections in Costa Mesa?

Orange County. Costa Mesa voters register and vote with Orange County.

More for Costa Mesa voters

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Sites, days and hours are Orange 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; city population and county lines are from the U.S. Census Bureau.