City of San Antonio ACS – Free Pet Vaccination & Microchip Events
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- What it is
- Lower-cost clinics
- Who it helps
- San Antonio residents only, with proof of residency
- Where
- City of San Antonio residents
- Status
- Accepting applications
- Last checked
- October 29, 2026 on the official website
← Pet help in San Antonio · All help in Texas
Lower-cost clinics
Free monthly pop-up clinics for vaccines and microchips, hosted by ACS partners (Animal Defense League and Protect Your Pet) at parks around San Antonio.
How to reach them
Where: Rotating park locations (e.g., Paul Jolly Adoption Center 210 Tuleta; Garza Park 1450 Mira Vista; Monterrey Park 5919 W. Commerce)
Hours: Saturdays 9:00 AM–11:00 AM on scheduled dates (Nov. 14, 21, 28, 2026 listed)
Good to know
- Who can use it: San Antonio residents only, with proof of residency; limit 100 pets total and 3 per household.
- How to get started: Show up during the event window with proof of residency; first-come, first-served.
Emergency? Call your veterinarian or the nearest 24-hour emergency hospital now, and tell them if cost is a barrier. Emergency signs and poison hotlines
Before you go
Call or check their page for current prices, appointment availability, any income or residency rules, and which animals they see. Ask what to bring.
If cost is the barrier, Paying for Care compares grants, payment plans and fundraising, and a free funding plan puts them together for your pet.
More help nearby
- Pet Shotz, Inc. · San Antonio
- San Antonio Humane Society – Vaccination & Prevention Clinic · San Antonio
- Spay Neuter Network – San Antonio East Clinic · San Antonio
- Spay Neuter Network – San Antonio North Clinic · San Antonio
See every listing in the San Antonio guide →