Spay/Neuter Service

The Animal Defense League (ADL) provides spay and neuter services for owned cats and dogs as well as feral cats.  Each animal must weigh at least two pounds before being accepted.  These services are provided at our hospital, which is located at 11215 Iota Drive, San Antonio 78217.  A map of our hospital location can be obtained by selecting the following link

Visit FREE SPAY AND NEUTER SURGERIES FOR OWNED CATS AND DOGS to see if you qualify for free surgeries for your pets!

Owned Cats and Dogs:

Services for owned pets are provided on an appointment basis only.  Neuter and spay surgeries are performed Monday through Wednesday and Fridays for owned pets.  To make an appointment for one of these days please call 210-655-1481 ext. 106 between the hours of 10:00am and 3:00pm on Monday – Friday and between the hours of 9am and Noon on Saturday.  No voice mails are accepted.  A $25 non-refundable surgery deposit will be required prior to an appointment being scheduled. Please ask the ADL Hospital staff for details. Each pet owner with an appointment must arrive between 7am and 9am.  Dogs may be brought to us with a leash or cage.  Each cat must be brought in a cat carrier and each cat must be in its own carrier.  Pickup occurs from 4pm – 5pm on the day of the appointment. If you would like to request an appointment online, please fill out the request form at the bottom of this page.

The regular prices for our spay/neuter services are as follows:

Due to increases in drug and supply costs, ADL public spay/neuter prices will reflect the following as of January 1, 2015.

Male cat $50 Female cat $70
Male dog under 25 lbs $65 Female dog under 25 lbs $75
Male dog 25 – 50 lbs $75 Female dog 25 – 50 lbs $90
Male dog 51 – 75 lbs $90 Female dog 51 – 75 lbs $110
Male dog over 75 lbs $110 Female dog over 75 lbs $140

There is no need to qualify for our regular Low Cost spays/neuters performed at our Clinic. All animals must weigh at least two pounds in order to undergo a surgical procedure.

Services Available During Spay/Neuter Appointments:

  • Rabies Vaccination (required): $20 (Written proof that your animal has had a rabies vaccination is required. If none is provided, the animal will be given the vaccination and the owner will be charged accordingly.)
  • Canine bordatella immunization: $20
  • Canine booster (RDAPP): $25
  • Feline booster (FVRCP): $20
  • Nails clipped: $15
  • Heart Worm Test: $25
  • Fecal Exam and Deworming: $35
  • FIV/FELV (test only): $25
  • Microchipping: $25
  • Canine Package (Rabies/RDAPP): $35
  • Feline Package (Rabies/FVRCP): $30

FREE Spay and Neuter Surgeries for Owned Pets:

Due to a grant award from the City of San Antonio Animal Care Services Department, ADL will be offering free spay and neuter surgeries to individuals who reside in qualifying zip codes in the City of San Antonio. Those zip codes are: 78201, 78202, 78203, 78204, 78207, 78210, 78211, 78212, 78213, 78214, 78218, 78220, 78221, 78222, 78223, 78225, 78228, 78242 & 78250. Appointments are required and pet owners may call the ADL Hospital Appointment line at 210-655-1481, ext. 106 on Monday – Friday between the hours of 10am-3pm to schedule an appointment. Pet owners may also request an appointment by filling out the surgery request form at the bottom of this page. All pets must be currently vaccinated against rabies and proof must be provided. If the pet is not vaccinated against rabies or proof is not provided, pets will be vaccinated by ADL and the pet owner will be charged $20 per rabies vaccination that is administered. Restrictions do apply and surgeries will be provided until all funding is exhausted. Pet owners who have further questions may call the ADL Hospital at 210-655-1481, ext. 104. View a copy of the flyer at FREE S/N SURGERIES!

Parasite Preventative Sales, Pet Wellness Exams, Dog Heartworm Test and Cat Combo Test:

ADL will be offering a $10 physical exam and $25 Heartworm test for owned dogs (ONLY for dogs over 6 months of age) and a $10 physical exam and $25 combo test for owned cats on specific days. ADL will also provide a one year prescription to pet owners whose dogs’ heartworm test is negative as well as for cats that are brought to us. The one year prescription is only valid for the purchase of Heartgard, Nexgard and Revolution from the Animal Defense League shelter. Please contact the ADL Hospital for full details: 210-655-1481, ext. 104 or download a copy of the Parasite Preventative Flyer to view days, times and complete details details!

Feral Cat Spay and Neuter Information:

Feral cat neuter and spay services are available on the dates listed below.  No appointment is required, however only 60 cats will be accepted for surgery on any Feral cat day.  All surgeries include a rabies vaccine, with the price for male cats being $35.00 and for female cats $50.00. For individuals who have attended SAFCC’s TNR Class, the fee to sterilize a feral cat will be $20. ADL will verify all SAFCC attendees. If cats have a current rabies vaccine they will not be eligible for the feral cat surgery rate. Each cat or kitten must arrive in a humane trap (covered) and only one cat or kitten is allowed per trap.  Feral cats are accepted between 7am and 9am.  Pickup occurs on the same day between 4pm and 5pm.

Feral cat days for the remainder of the year:
January 9 and January 23
February 13 and February 27
March 13 and March 27

Best Friends Animal Society provides vouchers for residents of zip codes: 78201, 207, 210, 213, 221, 223, 227, 228, 229, 237, 242, 245, 250, 251 that will qualify them for free spay and neuter services for outdoor stray cats. Please contact Thomas ( or Evelyn ( at 210-306-6126 for information on their services.

Other organizations who offer pet sterilization services:

Spay / Neuter Request Form

  • Do not feed your pet any type of food after 10pm the day before surgery; water is okay. Arrival time the day of surgery is between 7am and 9am. Pickup time will be between 4pm and 5pm the day of surgery. Proof of current rabies vaccination in the form of a vaccination certificate showing date given and re-vaccination date is required or a rabies vaccination will be administered and charged to the pet owner.