There are 18 veterinary clinics listed in Ontario, California, as of October 2026. 18 list a phone number and 14 have their own website. That includes 2 specialty and referral hospitals (Animal Dermatology Clinic - Ontario and Veterinary Dental Specialties and Oral Surgery) and 2 chain and corporate clinics (Banfield Pet Hospital and VCA California Veterinary Specialists-Ontario). Most are in ZIP codes 91761 (12), 91764 (3) and 91762 (3).
By type: Emergency Vet (4) · Urgent Care Vet (3) · Pet Dental Care (3)
10 veterinary clinics with checked details, 1 with published prices. Tap a column to sort, or tick up to 3 to compare side by side.
Banfield Pet HospitalVeterinary clinic | $92 | $31 | $251–$683 | $492 | No | No | No | No | No | No |
|---|---|---|---|---|---|---|---|---|---|---|
A R Animal HospitalVeterinary clinic | – | – | – | – | ✓ | ✓ | No | ✓ | ✓ | No |
Back To Health Veterinary ServicesVeterinary clinic | – | – | – | – | No | No | No | No | ✓ | No |
Euclid Walnut Pet ClinicVeterinary clinic | – | – | – | – | No | No | ✓ | No | ✓ | ✓ Vet |
Mountain Avenue Animal HospitalVeterinary clinic | – | – | – | – | No | No | No | No | ✓ | ✓ Vet |
New Haven Animal HospitalAnimal hospital | – | – | – | – | No | No | No | No | ✓ | ✓ Vet |
New Haven Animal HospitalVeterinary clinic | – | – | – | – | No | No | No | No | ✓ | No |
Ontario VeterinarianVeterinary clinic | – | – | – | – | ✓ | No | ✓ | No | No | No |
Ontario Veterinary HospitalVeterinary clinic | – | – | – | – | ✓ | No | ✓ | No | No | ✓ Vet |
VCA California Veterinary Specialists-OntarioVeterinary clinic | – | – | – | – | ✓ | No | No | No | ✓ | No |
Prices and services as published by each business, last checked Nov 2026. Prices change, so confirm when you book. "–" means not listed. License = matched to a current state license record.
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Veterinary clinic
3085 S Archibald Ave # D · Ontario, CA 91761
A R Animal Hospital in Ontario, CA, has served pet owners since 2001 under Dr. R. Sidhu, DVM. It cares for dogs, cats, rabbits, birds and small rodents, offering wellness exams, diagnostics, surgery, urgent and…
Veterinary clinic
2409 S Vineyard Ave · Ontario, CA 91761
License Verified
Veterinary clinic
2131 S Grove Ave #F · Ontario, CA 91761
A small animal rehabilitation and sports medicine practice in Ontario, California. It offers physiotherapy, medical acupuncture, therapeutic laser, water treadmill hydrotherapy and Theraplate treatments for dogs and…
Veterinary clinic
4120 E 4th St · Ontario, CA 91764
Banfield Pet Hospital in Ontario offers preventive care, vaccinations, dental cleanings, digital X-rays, on-site lab testing and surgery for dogs and cats. It has an in-house pharmacy and provides end-of-life care.…
Veterinary clinic
2521 S Euclid Ave · Ontario, CA 91761
License Verified
Euclid Walnut Pet Clinic in Ontario, California, founded in 1986, provides walk-in veterinary consultations, vaccinations, blood tests and scheduled surgeries. Prescriptions can be ordered for home delivery through…
Veterinary clinic
1155 N Mountain Ave · Ontario, CA 91762
License Verified
Mountain Avenue Animal Hospital is a veterinary practice in Ontario, California, serving dogs and cats and nearby communities. It offers exams, microchipping, dental care, diagnostics, surgery, boarding, grooming…
Animal hospital
3450 E Ontario Ranch Rd Ste 6 · Ontario, CA 91761
License Verified
New Haven Animal Hospital is a full-service veterinary hospital in Ontario, CA, serving surrounding communities. Its offerings include exams, diagnostics, preventive care, dental cleanings, illness treatment,…
Veterinary clinic
3450 E Ontario Rnch Rd Ste 6 · Ontario, CA 91761
New Haven Animal Hospital in Ontario, CA offers animal physical rehabilitation using therapies such as acupuncture, laser therapy, massage and therapeutic exercise. Pets of all ages and activity levels can be…
Veterinary clinic
1620 Fremont Ct · Ontario, CA 91761
A full-service animal hospital in Ontario, California, handling emergency cases along with routine medical, surgical and dental needs. It offers in-house lab testing, digital radiographs, an in-house pharmacy and…
Veterinary clinic
121 E E St · Ontario, CA 91764
License Verified
A full-service animal hospital in Ontario offering emergency, urgent and routine medical, surgical and dental care seven days a week. It provides in-house laboratory testing, digital radiographs, an in-house…
Veterinary clinic
2409 S Vineyard Ave · Ontario, CA 91761
Board-certified specialists
VCA California Veterinary Specialists in Ontario, CA offers specialty and emergency veterinary care at 2409 S. Vineyard Avenue. Services include diagnostic imaging, emergency and critical care, internal medicine,…
Veterinary clinic
2409 S Vineyard Ave Ste M · Ontario, CA 91761
License Verified
Vet Locator lists 18 veterinary clinics in Ontario, California (updated October 2026). 14 have a website and 18 list a phone number.
None are listed in Ontario itself. The closest we list are PetEmerg Emergency Animal Hospital in Rancho Cucamonga, CA (about 7 miles) and Heritage Animal Hospital, Urgent Care and Surgical Center in Fontana, CA (about 9 miles).
Yes. 2 specialty and referral hospitals in Ontario: Animal Dermatology Clinic - Ontario and Veterinary Dental Specialties and Oral Surgery.
None are listed in Ontario itself. The closest we list are Home Veterinary House Call Service in Rancho Cucamonga, CA (about 5 miles) and Mobile Veterinary Services, Inc in Fullerton, CA (about 21 miles).
None are listed in Ontario itself. The closest we list are Arrow Dog And Cat Hospital in Montclair, CA (about 6 miles) and Riverside Cat Hospital in Riverside, CA (about 12 miles).
16 of the 18 listings are independent businesses; 2 are chain locations (Banfield Pet Hospital and VCA California Veterinary Specialists-Ontario).
Nearby options include Chino (10 listed, 5 mi), Eastvale (2 listed, 5 mi), Mira Loma (2 listed, 5 mi) and Rancho Cucamonga (23 listed, 6 mi).
Own a business in Ontario? Get listed or update your details.