Cat spay/neuter — $179.95 — Classic spay/neuter surgery for cats at their AAHA-accredited clinics, pain medication included; only at-cost charges. ✓
Dog spay/neuter — $189.95–$225.95 by weight — Dogs under 50 lbs pay $189.95, 50–100 lbs $205.95, over 100 lbs $225.95; pets must be 4+ months old with current rabies and distemper vaccines. ✓
Good to knowHumane Society of Missouri's veterinary center — one of the largest veterinary programs in Missouri (16 resident vets, open 6 days/week), providing affordable accessible care. Operation SNIP provides low-cost spay/neuter surgeries for pets of Missouri residents through HSMO and the Animal Medical Center of Mid-America. Source ↗
1218 S Jefferson Ave, St. Louis, MO 63104 Website ↗
Good to know501(c)(3) nonprofit veterinary clinic (St. Louis + Rolla). Affordable spay/neuter by appointment, walk-in wellness clinic (vaccines, exams, microchipping), TNR program for community cats, and transportation assistance for families in need. 155,000+ spay/neuter surgeries since 2012. Source ↗
TenSPOT Fix — $10 spay/neuter — Twice-yearly program (March and September) where partner clinics spay or neuter healthy cats or dogs under 50 lbs for $10; extra charge for larger dogs. ✓
Free or low-cost spay/neuter programs — Nonprofit offering free or low-cost spay/neuter for dogs and cats across the St. Louis and Metro East area. ✓
Good to know501(c)(3) nonprofit targeting low-income families who could not otherwise afford sterilization. Programs include 'TenSPOT Fix' $10 procedures via partner vet clinics (spring/fall), the OpSPOT Spay/Neuter Waggin' mobile clinic, and neighborhood feral-cat TNR with local groups. 2026 Missouri Dept. of Agriculture spay/neuter grant recipient. Source ↗
Ask about payment plans and CareCredit — many clinics listed above offer them; terms vary, so ask before treatment.
Compare spay/neuter prices — nonprofit clinics often publish flat fees far below private practices.
Vet school hospitals — supervised students provide quality care at reduced rates, though specialty services can still be pricey; always ask for a written estimate.
Call 211 — dial 2-1-1 to find local pet financial-aid programs.
3 verified low-cost options are listed above, including Humane Society of Missouri - Animal Medical Center of Mid-America, Carol House Quick Fix Pet Clinic, Operation SPOT (Stop Pet Overpopulation Today). Call ahead to confirm eligibility and fees.
Where can I get low-cost spay/neuter in St. Louis, MO?
Options include: Humane Society of Missouri - Animal Medical Center of Mid-America, Carol House Quick Fix Pet Clinic, Operation SPOT (Stop Pet Overpopulation Today). Many offer the lowest prices with no income verification.
