High Quality
Pet Care for
Over 30 Years
Pet Care for
Over 30 Years
Keeping pets healthy and owners satisfied — serving
Union, Washington, St. Clair, and the Greater St.
Louis, Missouri area.
- ✓ More than three decades
- ✓ Full-service veterinary hospital

Years of care

Full Service Hospital

Union, Washington, St. Clair
& St. Louis, MO

(636) 583-3066
Welcome to Union Veterinary Associates
Comprehensive veterinary
care that treats pets like family.
For more than three decades, we've proudly cared for pets and their families. Our mission is simple: to provide compassionate, high-quality veterinary care that keeps your pets happy, healthy, and thriving — while ensuring peace of mind for every pet owner who walks through our doors.
Compassionate care
We understand that pets are family — and we treat them as such, in a welcoming, stress-free environment.
The Highest Quality standards
Our skilled staff upholds the highest veterinary standards to deliver superior care with modern medical technology.
Owner education
Great care starts with informed owners. We help you make confident, informed decisions about your pet’s wellness.
Three decades in Union
A trusted, established practice caring for the pets of Franklin County and the Greater St. Louis area.
What our clients say
Trusted by Franklin County pet owners.
4.8
Based on 172 Google reviews
“We were camping nearby when our dog got a fish hook caught in his lip and we couldn’t get it out. We took him to UVA with no appointment. They didn’t turn us away — they fit us in and took care of Milo. So relieved and happy. Great job by great people.”
Mike F. · Google review
“Union Vet has been so kind, patient, and accommodating with my dog’s needs and medical concerns. They’re prompt with their communication and very reasonably priced. They always take excellent care of my dog.”
Brynne S. · Google review
“The ladies were awesome with my wife’s little dwarf rabbit, LoLa. They fell in love with her. Thank you for seeing her on such short notice and for all the kind treatment.”
Rudolph H.
Our services
From routine wellness
exams to herd health.
We value our patients and aim to provide the highest standard of care. Our veterinary professionals can meet your animal's medical needs — with the utmost concern for animal wellness and safety.
Pet Vaccinations
Core and non-core vaccines that protect your pet — and your family — from disease.
Diagnostic Imaging
In-house imaging and laboratory services for a well-defined diagnosis.
Walk-In Care
Sick or injured pet and can’t wait? Walk in or call ahead — we make every effort to see your pet promptly.
Microchipping
Permanent identification that gives your pet the best chance of coming home.
When your pet becomes our patient,
they become our priority.
Our skilled staff upholds the highest veterinary standards to deliver superior care in a welcoming, stress-free environment. We implement diagnostic imaging alongside laboratory services to provide a well-defined diagnosis — and should an emergency occur, we make every effort to see your pet promptly.
- Modern medical technology & in-house diagnostics
- A caring team of experienced professionals
- Care for a wide array of animals — pets to livestock
Great care starts with informed owners.
By providing our pet parents with a thorough understanding of numerous pet conditions, we empower them to make more informed decisions about their pet’s treatment. Explore our articles, FAQs, and helpful resources to learn more about keeping your pets healthy year-round.
Schedule today
Is your pet overdue for a wellness exam?
Catching medical concerns before they develop opens your pet up to
further treatment options that could save their life. Schedule an
appointment today.
FAQs
Do you accept walk-in appointments?
Yes, we welcome walk-ins for sick or injured pets. We make every effort to see your pet promptly — no appointment needed for urgent concerns.
What animals do you treat?
We are a small-animal practice caring for dogs, cats, pocket pets ( Rabbits , hamsters, guinea pig) birds, rodents , reptiles and exotic animals.
What are your office hours?
We are open Monday through Thursday 7:30 AM to 5:30 PM, Friday 7:30 AM to 2:00 PM, and Saturday 8:00 AM to 12:00 PM. We are closed on Sundays.
How do I schedule an appointment?
You can schedule online through our appointment request form on the website, or call us directly at (636) 583-3066.
Do you offer payment options?
Yes, we offer multiple payment options to make veterinary care accessible. Visit our Payment Options page for full details.