We are open and here for you and your pets! For everyone's safety, we've moved to contactless client admittance and checkout protocol.
Please click here for what to expect when you arrive.

In an Emergency

24/7/365 – no appointment required

At the 404, we know that emergencies don’t always happen on weekends or after supper on a weeknight. While your primary care veterinarian is always your first point of contact when such an emergency arises, we are here, available to see you and your pet 24 hours a day, 7 days a week, and 365 days a year, when you need us. As the only 24/7 veterinary emergency & referral facility in York Region, our emergency service takes no holidays!

510 Harry Walker Parkway South
Newmarket, Ontario L3Y 0B3


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