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 »
What to Expect When Adopting a Shelter Cat
Bringing home a newly adopted cat takes patience and understanding. Learn what behaviors are normal during the first days, weeks, and months as your cat adjusts, settles in, and bonds with their new family.
Learn More »Our Clients Love Us
I have utilized the services of this veterinary clinic on two separate occasions, once for the administration of Bravecta and once for vaccination services. On both occasions, my experience ...
Jeffrey Pinkerton
We love Mountain Avenue Animal Hospital! We've been using them for our dogs for many, many years. The staff is very friendly, and knowledgeable. Great place to bring your pet when they need ...
David W
4.6
Rating on
Google Reviews!
