Welcome to Mountain Avenue Animal Hospital!
Mountain Avenue Animal Hospital provides quality veterinary care for cats, and dogs in Ontario, CA and the surrounding communities.
We are committed to treating our patients with compassionate hearts, gentle hands, kind words, and superior care. Additional pet services include pet laser therapy and pet grooming.
For new clients, please call (909) 986-4548 today to make an appointment for your pet. For returning clients, please book an appointment online.
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Mobile App & Online Booking Now Available
Introducing our new and convenient online booking tool! Learn More »
A Vet's Guide to a Pet-Friendly Summer
Keep your pets safe, cool, and healthy this summer. Discover essential summer safety tips for cats and dogs, recognize overheating symptoms, and know when to call for help. Learn More »Our Clients Love Us
Buena atención. Me gustó el lugar y queda serca de mi casa. La recuperación va muy bien
Kelly Lopez
Love MAAH I always leave knowing that my girls were given top of the line care!
Blanca Barrios
4.6
Rating on
Google Reviews!
