Early voting locations in Ontario, California for November 3, 2026
- WhenMon, Oct 5 – Mon, Nov 2Started · 18 days left
- Where1 site in Ontario8 in all of San Bernardino County
- Hours10:00AM-6:00PMMost sites; see each site
- Election DayTue, Nov 37:00 a.m. to 8:00 p.m.
Find sites near me Find by ZIP code Election office
Ontario is in San Bernardino County. Ontario has about 187,013 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines. San Bernardino County lists 8 early voting sites; 1 of them is in Ontario and listed here.
From the California Secretary of State's official list, checked October 14, 2026. Hours can change, so check before you go.
Ontario early voting sites (1)
- ONTARIO CONFERENCE CENTER
1947 E CONVENTION CENTER WAY, Ontario, CA 91764
October 29 - October 31: 10:00AM-6:00PM
November 2: 10:00AM-6:00PM
Election Day: 7:00AM-8:00PM
Directions
Every early voting site in San Bernardino County (8) is on the San Bernardino County early voting page, with a ZIP code finder.
San Bernardino County elections office
San Bernardino County Elections Office
Office: 777 E. Rialto Avenue, San Bernardino, CA 92415
Phone: 909-387-8300
Regular office hours: 8 a.m. to 5 p.m.
California voting dates for Ontario 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 |
Ontario voting questions
Where can I vote early in Ontario?
At the early voting site in Ontario on this page, from each county's official list. San Bernardino County lists 8 sites in all; see the San Bernardino County early voting page.
When does early voting start in Ontario?
Early voting in Ontario (San Bernardino 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 Ontario?
The last day of early voting in Ontario (San Bernardino County) is Monday, November 2, 2026. Election Day is Tuesday, November 3.
What are the early voting hours in Ontario?
Hours differ by site and day. The most common hours are 10:00AM-6:00PM. Check the site you plan to use before you go.
Who can vote early in Ontario?
Any registered voter in Ontario (San Bernardino 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 Ontario?
909-387-8300, the San Bernardino County Elections Office, 777 E. Rialto Avenue, San Bernardino, CA 92415.
Which county runs elections in Ontario?
San Bernardino County. Ontario voters register and vote with San Bernardino County.
More for Ontario voters
- California voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- San Bernardino County early voting locations, every site in the county.
- San Bernardino 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 big cities in California: Los Angeles, San Diego, San Jose, San Francisco, Fresno, Sacramento, Long Beach, Oakland, Bakersfield, Anaheim, Stockton, Riverside, Irvine, Santa Ana, Chula Vista, Santa Clarita, Fremont, San Bernardino, Fontana, Modesto, Moreno Valley, Oxnard, Huntington Beach, Glendale, Elk Grove, Santa Rosa, Rancho Cucamonga, Oceanside, Garden Grove, Lancaster, Roseville, Palmdale, Corona, Salinas, Hayward, Sunnyvale, Pomona, Visalia, Escondido, Victorville, Fullerton, Torrance, Orange, Pasadena, Santa Clara, Clovis, Simi Valley, Vallejo, Concord, Fairfield, Thousand Oaks, Berkeley, Antioch, Menifee, Temecula, Richmond, Murrieta, Carlsbad, Santa Maria, Ventura, Costa Mesa, Downey, Jurupa Valley, Rialto, West Covina, Chico, El Monte, Vacaville, San Mateo, Burbank, Hesperia, Tracy, El Cajon, Inglewood, Daly City.
Sites, days and hours are San Bernardino 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.