Public toilets and restrooms in Ontario, CA

Ontario has 54 restrooms on the map: 27 open to the public and 27 in businesses for customers. 1 is confirmed free and 8 are wheelchair accessible.

Highest-rated first. Updated November 5, 2026. All of California

Public restrooms

• Celebration Park North restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

• Celebration Park South restroom

  Park restroom · No ratings yet

  Ontario, CA

• Centennial Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

• Creekside Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

• Cypress Park restroom

  Park restroom · No ratings yet

  Ontario, CA

• De Anza Park restroom

  Park restroom · No ratings yet

  Ontario, CA

• Homer F. Briggs Park restroom

  Park restroom · No ratings yet

  Ontario, CA

• James R Bryant Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

• Kimball Community Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

• Ontario Motor Speedway Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  All-gender

• Ontario Soccer Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public · All-gender

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

  Wheelchair accessible

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

  Wheelchair accessible

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

  Wheelchair accessible

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

  Wheelchair accessible · All-gender

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

  Wheelchair accessible

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

  Open to the public · Wheelchair accessible

• Public restroom

  Park restroom · No ratings yet

  Ontario, CA

• Public restroom

  Public toilet · No ratings yet

  Ontario, CA

• Sam Alba Memorial Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

• South Bon View Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public · Free · Wheelchair accessible

• Veterans Memorial Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

• Vineyard Park restroom

  Park restroom · No ratings yet

  Ontario, CA

  Open to the public

Customers-only restrooms

Stores, cafés, and restaurants that usually let customers use the restroom. Buy something or ask staff first.

• Barnes & Noble

  Business (ask staff) · No ratings yet

  Ontario, CA

  Customers only

• Chick-fil-A

  Business (ask staff) · No ratings yet

  4350 Ontario Mills Parkway, Ontario, CA 91764

  Customers only

  Mo-Sa 06:30-22:00

• Costco Business Center

  Business (ask staff) · No ratings yet

  3680 E Guasti Road, Ontario, CA 91761

  Customers only

  Mo-Sa 07:00-18:00; Su 08:00-18:00

• Lowe's

  Business (ask staff) · No ratings yet

  2390 South Grove Avenue, Ontario, CA 91761

  Customers only

  Mo-Sa 06:00-22:00; Su 07:00-20:00

• McDonald's

  Business (ask staff) · No ratings yet

  2455 South Archibald Avenue, Ontario, CA 91761

  Customers only

  05:00-23:00

• McDonald's

  Business (ask staff) · No ratings yet

  2463 South Euclid Avenue, Ontario, CA 91761

  Customers only

  05:00-23:00

• McDonald's

  Business (ask staff) · No ratings yet

  1170 East Philadelphia Street, Ontario, CA 91761

  Customers only

  05:00-23:00

• McDonald's

  Business (ask staff) · No ratings yet

  4310 Mills Circle, Ontario, CA 91764

  Customers only

  Mo-Su 04:30-23:00

• McDonald's

  Business (ask staff) · No ratings yet

  832 North Mountain Avenue, Ontario, CA 91762-2546

  Customers only

  06:00-22:00

• McDonald's

  Business (ask staff) · No ratings yet

  1107 East 4th Street, Ontario, CA 91764-2523

  Customers only

  06:00-22:00

• Public restroom

  Business (ask staff) · No ratings yet

  Ontario, CA

  Customers only · Wheelchair accessible

• Starbucks

  Business (ask staff) · No ratings yet

  1 Mills Circle, Ontario, CA 91764

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  4880 East Motor Lane, Ontario, CA 91761

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  1337 North Mountain Avenue, Ontario, CA 91762

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  1520 North Mountain Avenue, Ontario, CA 91762

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  2304 South Mountain Avenue, Ontario, CA 91762

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  791 North Archibald Avenue, Ontario, CA 91764

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  Ontario, CA

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  2548 South Archibald Avenue, Ontario, CA 91761

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  2570 South Vineyard Avenue, Ontario, CA 91761

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  507 North Euclid Avenue, Ontario, CA 91762

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  1041 North Milliken Avenue, Ontario, CA 91764

  Customers only

• Starbucks

  Business (ask staff) · No ratings yet

  960 Ontario Mills Drive, Ontario, CA 91764

  Customers only

• Target

  Business (ask staff) · No ratings yet

  4200 4th Street, Ontario, CA 91764

  Customers only

  08:00-23:00

• Target

  Business (ask staff) · No ratings yet

  1670 East 4th Street, Ontario, CA 91764

  Customers only

  Mo-Fr 07:00-22:00; Sa-Su 08:00-22:00

• The Home Depot

  Business (ask staff) · No ratings yet

  2980 Euclid Avenue, Ontario, CA 91762

  Customers only

  Mo-Sa 06:00-22:00; Su 07:00-20:00

• Walmart Supercenter

  Business (ask staff) · No ratings yet

  1333 North Mountain Avenue, Ontario, CA 91762

  Customers only

  Mo-Su 06:00-24:00

Nearby cities

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