Compassionate Pet Care for Over 30 Years — Keeping Pets Healthy & Owners Satisfied

High Quality Pet Care
for Over 30 Years
Veterinarian in Union, MO

Union Veterinary Associates is a full-service, small-animal veterinary hospital in Union, Missouri, caring for dogs, cats, pocket pets, birds, and reptiles since 1994. From wellness exams and vaccinations to dental care, surgery, and walk-in urgent care, our team pairs modern medicine with genuine compassion for pets across Union, Washington, St. Clair, and Franklin County.

Two dogs resting on an exam table at Union Veterinary Associates
More than 30 years of veterinary care

Years of care

Full-service veterinary hospital

Full Service Hospital

Service area across Union, Washington, St. Clair, and St. Louis, Missouri

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

Call Union Veterinary Associates at (636) 583-3066

(636) 583-3066

Why Pet Owners Choose Us

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.

Our Service Area

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

Five-star client review rating

Based on 172 Google reviews

Five-star client review rating

“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

Five-star client review rating

“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

Five-star client review rating

“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.

Wellness Care

Annual exams, vaccinations, parasite control, and nutrition counseling.

Pet Vaccinations

Core and non-core vaccines that protect your pet — and your family — from disease.

Dental Services

Cleanings and dental care that add healthy years to your pet’s life.

Surgical Procedures

Orthopedic and soft-tissue surgery in our fully equipped facility.

Reproductive Health

Spay & neuter, C-sections, and whelping & queening support.

Diagnostic Imaging

In-house imaging and laboratory services for a well-defined diagnosis.

General Medicine

Cardiology, dermatology, oncology, and more — all under one roof.

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.

Adult cat and kitten in a carrier at Union Veterinary Associates

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.

Golden retriever puppy at Union Veterinary Associates

Request an Appointment

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.

We are a small-animal practice caring for dogs, cats, pocket pets ( Rabbits , hamsters, guinea pig) birds, rodents , reptiles and exotic animals.

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.

You can schedule online through our appointment request form on the website, or call us directly at (636) 583-3066.

Yes, we offer multiple payment options to make veterinary care accessible. Visit our Payment Options page for full details.