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Spay/Neuter Clinic

Spaying/neutering is the key to solving many of your animal's health and behavior problems and is the most effective way to stop the tragedy of pet overpopulation in San Mateo County. See Spay/Neuter Myths and Facts.

Trained staff in our donor-supported clinic -- located at the north end of our shelter (12 Airport Blvd.) -- perform spay/neuter surgeries on every animal adopted from PHS/SPCA, and provide low-cost surgeries for members of the public and their animals. Appointments are necessary. Animals are admitted between 7 and 8:30 am and discharged between 4 and 5:30 pm. Clinic hours are Monday-Friday from 7am-12 noon, closed between 12 noon and 1pm, then reopen from 1pm-6pm. To make an appointment, call 650/340-7025.

Feral Cat Caregivers: Our clinic is the County’s top spay/neuter resource for feral cat caregivers. We alter feral cats by appointment only, Tuesday through Friday. Once you have trapped a feral cat, please call this number and leave a message: 650/340-7022, ext. 679. Staff will check messages and call caregivers back to make appointments. Please note that trying to call around to different shelter departments in an attempt to reach a live person will not expedite the process; if anything, it will mean your information will not be left in the only place where it needs to be. 

• Feral Cat Surgery Instructions

You are welcome to pay the minimum PHS/SPCA fee, however, any additional amount you can pay toward the actual cost of the surgery will greatly benefit the shelter animals. We charge additional fees for animals who are pregnant or obese or those who have had a cesarean because they require more time and medical supplies.

You may also have your cat or dog microchipped for $30.

**Other Services are available only in conjunction with spay/neuter surgery and are not stand-alone services.

Fees subject to change.