997 W. San Marcos Blvd., Suite 102A San Marcos, CA 92078

Welcome to Discovery Valley Animal Hospital

Your Veterinarian in San Marcos, CA
Call us at 760-744-0032

Pet Emergency? Call us right away at 760-744-0032!


If you live in San Marcos or the surrounding area and need a trusted veterinarian to care for your pets – look no further. Dr. Lee Young is a licensed CA veterinarian, treating all types of pets. Your pets’ health and wellbeing are very important to us, and we take every possible measure to give your animals the care they deserve.

Discovery Valley Animal Hospital is a full service animal hospital and welcomes both emergency treatment cases as well as pet patients in need of routine medical, surgical, and dental care. Dr. Lee Young has years of experience treating serious conditions and offering regular pet wellness care. Beyond first rate pet care, we make our clinic comfortable, kid-friendly, and calm, so your pet can relax in the waiting room and look forward to meeting our San Marcos veterinarian.

We are happy to offer a number of resources that enable you to learn about how to take better care of your pets. Please feel free to browse our site, particularly the informational articles. The best veterinary care for animals is ongoing nutrition and problem prevention, so becoming knowledgeable about preventative pet care is essential to the ongoing success of your animal’s health. If you have any questions, call 760-744-0032 or email us and we'll promptly get back to you. Our San Marcos veterinarian office is very easy to get to -- and you can find directions on our Contact Us page! We also welcome you to subscribe to our newsletter, which is created especially for San Marcos pet owners.

At Discovery Valley Animal Hospital, we treat your pets like the valued family members they are.

Dr. Lee Young
San Marcos Veterinarian | Discovery Valley Animal Hospital | 760-744-0032

997 W. San Marcos Blvd., Suite 102A
San Marcos, CA 92078


We strive to provide complete care for our patients. Learn more about all the services we provide.
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We will do our best to accommodate your busy schedule. Schedule an appointment today!
Online Forms
Our patient forms are available online so they can be completed in the convenience of your own home or office.

Meet Our Team
Meet The Team
"I love coming to work everyday! Ever since I started working here at Discovery Valley Animal Hospital I have been reading and learning as much as I can about pet health and well being. Now my pets and I are living a healthier life and can pass my knowledge and experience to other families so they too can discover wellness!"
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Staff very friendly, office clean and tidy, Dr. Young was very kind, caring and gentle when he examined my cat.

- Liona Shareing 

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