Checked Oct 21, 2026 on the clinic's website · How we check
The short version
Spay and neuter clinic days run by the RGV Humane Society. Dogs $175, cats $150. The surgery site is announced before each clinic. Register online and pay when you drop off your pet.
Appointment only, no walk-ins
Open to everyone
4 rules on which pets they take: see below
Prices are on their site (13 listed below)
Who can use it
Open to the public. If you adopted your pet from RGVHS, the surgery is free; email info@rgvhs.org.
At least 3 months old or 3 lbs
No flat-faced breeds (Pugs, Bulldogs, Boxers, Boston Terriers, Shih Tzus, Pekingese, Mastiffs, Persians)
Routine surgery only; no after-care at the clinic
Each pet must come in its own carrier, crate or kennel
Spay / neuter clinic · 500 E. Hackberry Ave, Suite 100-B, McAllen
Cat spay/neuter $89
Nonprofit spay and neuter clinic in McAllen, by appointment. Dogs $125, cats $89, with a non-refundable deposit to book. Drop off 7:30 to 8am, pick up 3 to 3:30pm.
Spay / neuter clinic · 2451 N US Expressway 281, Edinburg
Cat spay/neuter $75
Three spay and neuter days each month in Edinburg for Rio Grande Valley residents. Cats from $75, dogs from $100. Sign-up opens at 10am on the 1st of each month and fills fast.
Trap, spay or neuter and return for outdoor community cats in Edinburg, McAllen and nearby areas. On hold until the shelter hires a vet. Call or text (956) 249-0117.