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Spaying and neutering animals is our best defense against animal overpopulation and homelessness.


Marin Humane’s Spay/Neuter Clinic provides vet care for all animals under our care—some of whom are stray, orphaned, or victims in humane cases.

Adoption animals are given a full medical assessment and vaccinated against disease. To prevent more pet homelessness, all adoption dogs and cats, and many small companion animals, are spayed or neutered before leaving for their new homes.

Our clinic team works extensively with our Foster Care program to rehabilitate many animals that might otherwise not be considered for adoption and works closely with the Animal Services department to evaluate and consult on cruelty and neglect cases.

The team also assists other animal rescue organizations and feral cat colony caretakers by providing discounted spay/neuter surgeries and health care.

Low-cost services for the public

Out Spay/Neuter Clinic provides low-cost pet services for Marin residents, including spay and neuter services, vaccinations, and microchipping.

Why spay and neuter your pets?