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Animal Hospital of Walnut
22039 Valley Blvd, Walnut, CA, 91789
Animal Hospital of Walnut is a veterinarian-owned general practice at 22039 Valley Blvd, Suite G in Walnut, serving the Walnut and Diamond Bar area since 1981 and treating dogs and cats. It offers wellness exams, vaccinations, parasite prevention, dentistry with dental x-rays, spay and neuter and other soft-tissue surgery, in-house diagnostics, and same-day urgent care appointments during business hours.
Call (909) 594-1737Open until 6:00 PM today · closed Sunday
11 servicesDogs, Cats
After hoursUrgent care is offered during regular business hours only, for non-emergent concerns. The urgent care page states: "Animal Hospital of Walnut is pleased to offer urgent care services for your pet during our regular business hours" and "In the event you have an urgent or emergent situation outside of business hours, we recommend going to the following after-hours emergency clinics" — MarQueen Pet Emergency & Specialty in Upland, Inland Valley Veterinary Specialist and Emergency in Upland, and VCA California Veterinary Specialists-Ontario.
HoursOpen until 6:00 PM
Monday8:00 AM – 6:00 PM
Tuesday8:00 AM – 6:00 PM
Wednesday8:00 AM – 6:00 PM
Thursday8:00 AM – 6:00 PM
Friday8:00 AM – 6:00 PM
Saturday8:00 AM – 6:00 PM
SundayClosed
Request an appointmentPick a day that suits you.We pass the request to the practice and they confirm the exact time with you.
What they do
Ask about a service →11 services, one practice.
Wellness ExamsVaccinationsParasite PreventionDental Care, Including Oral Exams, Teeth Cleaning And Polishing, Dental X-Rays And Tooth ExtractionSpay And NeuterSurgery, Including Hernia Repair, Mass Removal And Tumor Biopsy, Cystotomy, Gastrointestinal Surgery And SplenectomyDiagnostics, Including Blood Testing, Urinalysis, Fecal Exams, X-Rays And Focal UltrasoundNutrition ConsultationsMicrochippingSame-Day And Next-Day Urgent Care AppointmentsOnline Pharmacy
Who they treat
2 species under this roof
DogsCats
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Claim this page freeCompiled from public records and animalhospitalofwalnut.com, August 30, 2026. Not affiliated with PawsRx unless claimed, and details change, so confirm anything that matters when you call. Request removal.