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.
Your Comprehensive Guide for Animal Safety and Protection
October is National Animal Safety and Protection Month. Learn essential tips for pet safety, including vet checkups, microchipping, emergency preparedness, and pet-proofing your home to keep your furry friend healthy and happy.
Learn More »Our Clients Love Us

Love ?? to all staff for taking good care of my fur family Gardenia(ChiChi) &Yuma Azul & Oreo Coco & Bono ??????????????? Thank You.
G.G. David

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

4.6
Rating on
Google Reviews!
