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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

Our Clients Love Us

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Great service treat my two pet dogs well .

Elizabeth Leticia Machuca

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I like that the personal was very professional and very knowledgeable and explained my dog condition l did receive fast serviced.

Maria Barajas

4.6

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Mountain Avenue Animal Hospital