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Spay & Neuter

Spaying or neutering your pet is one of the most important (and wisest) decisions you can make. In addition to helping reduce our community's pet homelessness problem, studies have shown that spayed/neutered pets are typically healthier, less territorial and less aggressive.

MCACC offers Maricopa County residents two options for low and no cost spay/neuter surgeries:

  • Neuter Scooter
    a self-contained surgical unit that offers spay/neuter surgeries, license and rabies vaccination clinics for Maricopa County residents. The Neuter Scooter is intended for owned pets. Each Neuter Scooter Spay & Neuter event can provide service for up to 25 dogs and cats, depending on the size of each animal. Each Neuter Scooter Vaccine & License Clinic can provide service for more than 100 animals.
  • Spay Neuter Assistance Program (SNAP)
    SNAP provides free spay/neuter surgeries for owned pets of Maricopa County residents. Through SNAP, MCACC partners with private veterinarians throughout the Valley. This program is funded entirely by donations and is made possible by Friends of Animal Care & Control.

    Due to grant funding restrictions, we are currently only offering vouchers to people living in these zip codes:
    • DOGS & CATS – 85033, 85040, 85041
    • The vouchers will be available (while supplies last) on the first day of each month at our East and West Valley Animal Care Centers.
    • In order to receive a voucher, you must live in one of the above zip codes and provide proof of residency. Examples of proof of residency include a utility bill (electric, cable, gas, telephone), driver’s license or bank account statement, etc.
    • One pet per voucher; one voucher per family.
    • Each voucher is numbered and cannot be duplicated.
    • Along with your voucher, you will receive a list of veterinarians who participate in the program. Select a veterinarian that is convenient for you and call them to make an appointment. Let them know you have a SNAP voucher.
    • Though the spay/neuter for your pet is no cost to you, some veterinarians may require the purchase of pain medications, additional vaccinations or other services. These additional services will be at your expense. When making your appointment, please be sure to ask if there are any additional costs.
    • This program is not intended for feral cats or animal rescue organizations.

The Spay Neuter Assistance Program (SNAP) is funded entirely by donations.

Help save pets lives with a donation or do your part and volunteer!

Uno Por Uno (One by One)

MCACC's Uno por Uno program was designed to reach neighborhoods, serve families and save animals - one by one. Uno por Uno is a proactive and creative approach to keeping the community safe, curbing the pet homelessness problem and ending the senseless euthanasia of adoptable pets in Maricopa County.

Through the Uno por Uno program, MCACC provides no‑cost Rabies Vaccination clinics to residents of Maricopa County. Dog licenses are available for dogs getting rabies vaccinations at Uno por Uno events ($17 for sterilized dogs; $42 for non-sterilized dogs). Microchips are offered at Uno por Uno events for $10. Please check our calendar of events for a list of upcoming Rabies Vaccination clinics.

Guidelines for Rabies Vaccination Clinics
  • Dogs must be securely controlled on a leash or in a carrier at all times.
  • All cats must be in a secure pet carrier (one cat per carrier). Cats can escape easily if not properly contained.
  • All animals must be in good health and at least three months of age
  • Animals must be brought in by their legal owner (age 18 or older)
  • Pregnant females will not be vaccinated
  • Only cash or check accepted
  • If possible, please bring your animal's last rabies vaccination certificate
Guidelines for Spay/Neuter Events
  • Check‑in begins at 7 AM (unless otherwise stated), but customers line up much earlier
  • No food/water after 10 PM the night before surgery
  • Cats must weigh at least two pounds
  • Dogs must weigh at least three pounds and no more than 65 pounds
  • No herniated pets
  • No cryptorchid males (retained testicles)
  • No pregnant or in‑heat females
  • Purchase of a $17 license is REQUIRED for ALL dogs receiving surgery

**Please note: Clinics are held rain or shine; however, MCACC reserves the right to cancel or limit the clinic duration in the event of severe weather. Depending on event attendance, you may experience a lengthy wait time. Participants are asked to prepare for the weather accordingly.


I tried to get a voucher and was told they are given out on a limited basis. Why? MCACC's Spay Neuter Assistance Program is funded entirely by donations. There may be times during the year when funding is limited and it will affect how many vouchers can be distributed. If you'd like to support this program, please donate to Friends of Animal Care & Control.

Do you provide low cost spay/neuter services? No, we do not. Our Spay Neuter Assistance Program utilizes a network of private veterinarians and clinics throughout the Valley. MCACC does not have the ability to provide low cost spay/neuter services as we are busy altering animals that have been, or are about to be adopted.

Maricopa County presents this information as a service to the public. It has made every effort to ensure that the information contained here is accurate. It makes no warranties or guarantees, nor may anyone assume any warranties or guarantees regarding the accuracy or reliability of its content or of other information to which there is a link. Assessing accuracy and reliability of information is the sole responsibility of the user. Maricopa County shall not be liable for errors contained here or for any damages in connection with the use of the information contained here. Maricopa County does not endorse the content found on non-Maricopa County websites accessed via hyperlink. Further, the e‑mail address and any other information found here shall not be used for unsolicited advertising, marketing or other commercial purposes.

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