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.
How Dental Care Needs Change at Every Life Stage
February is National Pet Dental Health Month. Discover how your pet’s dental needs change as they age and learn how to prevent periodontal disease in each stage of life.
Learn More »Our Clients Love Us
Amazing service.. great rates.. I drive almost an hour to have my pets go to them. So worth it
Kimberly Sanchez
Buena atención. Me gustó el lugar y queda serca de mi casa. La recuperación va muy bien
Kelly Lopez
4.6
Rating on
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