Welcome to Ontario Spay and Neuter!

Our hours of operation during this time are as follows: Monday through Saturday 9:30 am to 5 pm. Closed on Sundays.

Visit our newly launched online pharmacy for your pets prescription refills! Order online and have them shipped directly to your house!


**Please note, all medication refill requests require 48 hour notice for filling/approval online or in clinic.**

As the cost for OSN has continued to increase annually, we must unfortunately raise our prices to cover the increasing costs to keep OSN running. Effective February 11, 2024, there will be an increase in spay and neuter surgical pricing. We work diligently in an attempt to keep our pricing as low as possible, however annual increases are unavoidable as our cost for supplies increases. Please see our Spay and Neuter tab for information on the pricing increases. Thank you for your understanding and continued support of OSN as we try to help end unnecessary euthanasia through spay and neuter!

Community cats are accepted Monday through Saturday, from 6:30am – 9:00am, without an appointment. We have limited slots available each day, and community cats will be taken on a first come, first serve basis. We do not accept community cats on Sundays.

Vaccine clinic is being offered 6 days a week, Monday through Saturday from 10:00am – 4:00pm on a first come, first serve basis. No exam needed for vaccines only. Please be prepared to wait, as our vaccine clinic is walk in only. If you would like to schedule an annual exam with the doctor, and have vaccines done at your schedule appointment time, a receptionist will gladly assist in setting up that appointment!

All surgical appointments or wellness visits with the doctor require a deposit at the time of scheduling. This deposit is nonrefundable if less than 48 hours notice is given for cancellation/rescheduling. The deposit is applied towards your appointment when your fur-baby is seen in clinic!

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