Spay / neuter clinic · 803 Castroville Road, Suite 120, San Antonio, TX 78237
Checked Nov 7, 2026 on the clinic's website · How we check
Free spay and neuter for dogs and cats of City of San Antonio residents at the city's West Side clinic. Appointment required; no walk-ins. Bring a photo ID or bill with your address.
City of San Antonio residents only. Bring a photo ID with your current address or a bill with your address.
Book online or call 210-207-6710. Walk-ins are not accepted.
By appointment. Funding runs October to September each year, so book early.
| Spay or neuter, City of San Antonio residents | Free |
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For dogs, cats.
Not sure you live in city limits? Check your address on the Bexar County Community Dashboard before you book.
We read this on the provider's own website on Nov 7, 2026: sa.gov/Directory/Departments/ACS/Caring/Spay-Neuter. Spot a mistake?
Assistance program · 1111 Lombrano, San Antonio
Free street clinic for pets of people who are homeless, on set Wednesdays, 10am to noon, at Harper's Chapel. Free exams, shots, parasite care and spay or neuter vouchers. First come, first served.
Checked Nov 7, 2026 on the program's website
Assistance program · Mobile / rotating sites
Free shots, health checks and spay or neuter for dogs of people who are homeless or on Section 8 housing in San Antonio. A few clinics a year, first come, first served, up to 35 dogs.
Checked Nov 7, 2026 on the program's website
Assistance program · San Antonio
Free check-ups, shots, spay or neuter and flea prevention for dogs and cats of Meals on Wheels San Antonio clients. Volunteers drive pets to and from the vet. Emergency visits are not covered.
Checked Nov 7, 2026 on the program's website