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Spay & Neuter

Hawaii Island Humane Society is pleased to offer low cost spay and neuter clinics for community members in need.

Our spay and neuter clinics take place on our state-of-the-art Mobile Spay and Neuter Waggin’ and in our shelters. The Hawaii Island Humane Society's mobile Spay and Neuter Waggin' was made possible by our generous donors and grant funding.

HIHS is staffed with a professionally trained and fully licensed veterinarians. They are supported by our veterinary assistants. Our team follows all guidelines by nationally recognized organizations regarding high-quality, high-volume spay/neuter clinics.

Before scheduling, please note that the following rules apply:

  • Space is limited and our waitlist is long. Please be considerate of others and only schedule an appointment if you are able to commit to that appointment.
  • There is a 2 pet per family limit.We can only accommodate a maximum of 2 pets per household. If you need services for more than 2 pets, please wait for our next clinic. If you schedule for more than 2 pets, your additional appointments will be canceled.
  • Please make an appointment PER pet.Please do not schedule both pets on one appointment - each pet needs their own appointment. We will not be able to accommodate additional pets if you only make one appointment.
  • These clinics are for healthy, owned pets only (up to 80lbs).Our staff must be able to safely handle your pet so we are unable to accommodate aggressive, feral, or unhealthy pets. If you need to schedule a surgery for a feral cat, our staff will contact you when we are able to schedule clinics for feral cats. If your pet is sick or unable to be safely handled, we will not be able to accommodate you.
  • Your cat must arrive in an enclosed cat carrier. Your dog must arrive on leash.
  • Our spay and neuter service cost is $25 for cats and $50 for dogs, made possible by the generosity of our donors. You will have the option to purchase a low-cost microchip for $10 and nail trim for $5. Donations are always appreciated to help us continue to eliminate pet overpopulation on the Big Island!
  • Please be sure to select the correct species (dog or cat), gender (male, female), and size of your pet. Space is limited and we will not be able to accommodate your pet if the information provided is inaccurate. 


What services are provided for pets?

  • Spay or neuter surgery ($25 for cats and $50 for dogs)
  • Nail trim, offered for an additional $5 per animal with spay/neuter surgery
  • Microchip, offered for an additional $10 per animal with spay/neuter surgery

Which animals will be accepted for surgery?

All animals will be examined by a veterinarian to determine if they appear healthy and can undergo surgery. 

  • Healthy dogs and cats, up to 80 lbs
  • Puppies and kittens who are at least eight weeks old and weigh at least two pounds
  • Female dogs in heat
  • Female cats in heat

Which animals will NOT accept for surgery?

  • Rabbits, guinea pigs, livestock, or any animal who is not a cat or dog
  • Unhealthy animals or those with contagious illnesses (Animals should not be coughing or sneezing, and should not have watery eyes, runny noses, mange, or ringworm.)
  • Animals that are aggressive or unable to be safely handled 
  • Animals in the care of an animal welfare or rescue organization 

Staff may encourage a spay/neuter at a veterinary hospital for certain animals, depending on the findings of the veterinary examination:

  • Female dogs and cats who are nursing puppies and kittens (It is ideal to wait to spay a mother until one month after she weans her litter.)
  • Male animals with only one testicle
  • Pregnant cats and dogs
  • Animals over five years of age
  • Short-nosed (brachycephalic) breeds, such as bulldogs, pugs and Persian cats

How many pets can I bring for spay/neuter surgery?

  • HIHS encourages Big Island residents to spay/neuter all household cats and dogs.
  • HIHS will accept a maximum number of 2 pets per household per shelter. Each pet must have its own appointment. 

How should I prepare my pet(s) for spay/neuter surgery?

  • Animals should not have food after midnight the day prior to surgery.
  • A small amount of water the morning of surgery is ok.
  • Bring cats in carriers with one cat per carrier, unless they are kittens from the same litter.
  • Bring dogs on leashes.
  • If your puppy is less than one year old, or not fully vaccinated, please bring them in a carrier. One puppy per carrier, unless they are from the same litter.

What occurs when I arrive at the shelter for my appointment?

  • Clients should arrive at the location at scheduled time.
  • The clinic serves approximately 10-15 animals per day for those that have a scheduled appointment. If there are open spaces available, we may accept walk-ins on a first-come, first-served basis until full.
  • An HIHS representative will assist with animal sign-in.
  • Be prepared to wait up to one hour for intake of animals.
  • Please be prepared to pick up your pet at approximately 4:00 P.M. Pickup times may vary, so check with the onsite HIHS representative for actual time during check-in. A $25 per day per pet boarding fee applies to pets not picked up on the day of surgery. 
  • While waiting, please be courteous and considerate of neighbors, fellow clients, and private property. Please pick up after your animal.

How should I care for my pet after surgery?

When your dog or cat is discharged, we will provide you with instructions for post-operative care. You can also download them here:

Post-Operative Care Instructions (PDF)

For more information, email