Emergency vets in Ajax, Ontario
No clinic in our Ajax data currently advertises dedicated emergency service — nearby emergency hospitals are listed below. Call first: ER availability and wait times change by the hour.
Red markers = emergency clinics. Click a marker for details.
Nearest emergency hospitals outside Ajax
~12 km away in Whitby
~31 km away in Richmond Hill
~36 km away in Annex
~37 km away in Newmarket
Veterinary Emergency Urgent Care & Referral Clinic of York Region
1210 Journeys End Circle, Newmarket, Ontario
Verified 2026-07-27
~55 km away in Alderwood
Veterinary Emergency and Referral Hospital of West Toronto
755 Queensway East, Alderwood, Ontario L4Y4C5
Verified 2026-07-27
~61 km away in Mississauga
Clarkson Village Animal Hospital
1659 Lakeshore Road West, Mississauga, Ontario
Verified 2026-07-27
Not an emergency? See all 7 vet clinics in Ajax →
General-practice vets often take same-day urgent appointments during business hours, and most can refer you to an after-hours ER.
If your pet is in crisis right now
- Call the closest 24/7 hospital above and tell them you're coming — they'll prep for arrival.
- Suspected poisoning: Pet Poison Helpline (855) 764-7661 (24/7, consultation fee applies).
- Keep your pet warm, contained, and moving as little as possible during transport.
- Ask for a written estimate and triage priority when you arrive — both are standard requests.