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.
Keep Your Pets Safe from Pesky Parasites!
Learn how to protect your pets from fleas, ticks, heartworms, and other parasites with our comprehensive guide. Discover prevention tips and treatments to keep your furry friends healthy and happy.
Learn More »Our Clients Love Us
Great service. Won't take my dogs anywhere else
michelle duncan
Very fast and efficient. Employees are very caring individuals. If you need cate for your pet, I highly recommend Mountain Avenue Animal Hospital for all your pets needs.
Elaine Wilbur
4.6
Rating on
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