Spay & Neuter: Low-Cost Pet Services ($20) As part of Commissioner Ramsey’s $1M annual investment toward Harris County Public Health’s Veterinary division, we’re partnering with PetSet and Harris County Public Health to bring pet owners low-cost services. For only $20, your pet will be spayed/neutered, receive a microchip, and be brought up to date on core vaccines! Spay and neuter is the most effective tool we have to reduce the stray population long-term. Secure your appointment today! Requirements & Registration