Clinic April 2


NEW!!  The Cornelius Clinc is now offering Tech Tuesdays as an alternative to scheduling an
office visit with a veterinarian.  Technicians may administer vaccinations, implant microchips, trim nails, clean ears, etc.  Call the clinic for additional information.






















In order to serve you more efficiently we have upgraded our online services to include:

  • Access to your new Pet Portal
  • Ability to schedule appointments online
  • Mobile access through the MyPetsWellness app

The Cornelius Clinic offers cost-effective pet care solutions, including vaccinations and essential wellness services, designed to safeguard your pet from prevalent health risks.
We do not provide treatment for sick, heartworm-positive, or injured animals.

Clinic Hours

For hours of operation please call (281) 600-8500 or email us at This email address is being protected from spambots. You need JavaScript enabled to view it. to reserve your appointment for wellness services!

Services at the CAP Cornelius Wellness Clinic are currently by appointment only with the exception of Walk-In Wednesdays.  
Staff will discuss your pets' needs over the phone or email before your appointment.  We ask that new clients please This email address is being protected from spambots. You need JavaScript enabled to view it. your pet's prior vaccination records before your appointment date.



17555 Katy Fwy, Houston, TX 77094 - Look for The Cornelius Clinic building southwest of the main shelter building. We do ask that you do not walk your dog in the park area as the shelter animals are walked in that area each morning and afternoon.



See fee schedule for dog/puppy vaccinations and cat/kitten vaccinations

All military service members, active or veteran, receive 10% off services with proof of military service.

 Notice: Prices may change at times due to product manufacturer increases. 



We accept Credit/Debit Cards, Tap Pay and Cash. (no checks)


What to Bring

Clinic Policies


The CAP Vaccination Clinic does not provide treatment for sick, heartworm positive, or injured animals. Please see a full-service veterinary clinic for these issues.

To purchase heartworm medication, dogs must have been seen by our vet within the last year and be heartworm tested either:

  • at 6 months of age if not on prevention
  • at annual visit during 2nd rabies vaccination if on prevention since 2 months of age
  • at the annual visit as an adult


Late Arrival/No Show Policy: Clients arriving at their appointment more than 10 minutes late will have a $10 late fee added to the visit, or they can reschedule. Clients scheduled for the last appointment of the day MUST be reschedule if they are late by any amount of time.


Your pet will receive a basic examination by the veterinarian which includes an examination of the skin, eyes, ears, mouth, teeth, temperature, and overall body. If minor health issues are detected, such as fleas or parasites, the veterinarian can suggest medication for treatment. If the issues are more serious, you will be instructed to take your pet to a veterinarian. In addition to vaccinations, the Wellness Clinic offers:

  • Heartworm test for dogs 6 months and older
  • HomeAgain Microchip, register through 24Petwatch network
  • Nail Trimming
  • Preventative Heartworm/Flea & Tick Medication

Online Pharmacy

Are you a current client of the vaccination clinic?  If so, take advantage of ordering your flea & heartworm medications online.  Visit our Online CAP Covetrus Pharmacy today!  All proceeds from online purchases go back to helping shelter animals.

We can not accept 3rd party prescription orders. Medications must be purchased onsite or through the CAP Covetrus Pharmacy and can be approved within 24 hours or sooner. 

Online Pet Pharmacy 1


Vaccination Laws

State law requires all cats and dogs to receive a rabies vaccination by age 4 months. If your pet has a current rabies vaccination, you must show proof with a valid rabies certificate. Unvaccinated animals 3 months and over will receive a rabies vaccination at the owners expense.

In addition, Houston has made a mandatory micro-chipping ordinance for all cats and dogs.  The grace period ended on February 1, 2023