• At APMSC, we offer all of the veterinary care your animal family member needs to enjoy a long, happy and healthy life. More importantly, we focus on making our patients feel safe and comfortable – whether it’s an extra belly rub, some special play time or bribery by way of treats. Most of the time our patients never even know they’re being examined or treated!

    Whether you recently moved to the Diamond Bar or Walnut area, or you’ve been here all your life, we invite you to come by and see what a difference our Knowledgeable & Skillful Caring®  makes. We’d love to welcome you and all of your animal friends to become a part of the All Pets family.


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    Gardening is one of your great passions. You enjoy cultivating the soil, planting your vegetable seedlings, and tending them until it’s harvest time. Perhaps you’re a devoted flower gardener, tweaking … Read More »


    Signs That Your Cat is Sick

    Cats have always been a little bit mysterious. To be honest, we’ll probably never know why our feline friends do certain things, like smacking small objects off tables or chattering … Read More »


    Bunnies and Chewing

    Have you recently adopted a bunny? You’ve certainly chosen an adorable pet! Bunnies do have some very specific care requirements, however. If you’ve never had a rabbit before, you’ll want … Read More »

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