Vets in St Catharines, Ontario
🚨 Emergency care15 vet clinics in St Catharines. Call ahead for same-day availability; for after-hours crises, hit the red button.
Red markers = emergency clinics. Click a marker for details.
298 Lake St, St. Catharines, Ontario L2N 4H2
Unverified listing — call ahead to confirm hours and availability.
8 Graham Ave, St Catharines, ON L2N 5L2
Unverified listing — call ahead to confirm hours and availability.
Carlton Animal Hospital
277 Lake St, St. Catharines, Ontario L2R 5Z6
Hours: Mo-Fr 08:00-19:00; Su off; Sa 09:00-16:00
Unverified listing — call ahead to confirm hours and availability.
61 Geneva St Unit 3, St. Catharines, Ontario L2R 4M6
Unverified listing — call ahead to confirm hours and availability.
1 Secord Dr, St Catharines, ON L2N 1K9
Unverified listing — call ahead to confirm hours and availability.
332 Geneva St, St. Catharines, Ontario L2N 2G6
Hours: Mo,Tu,Th 08:00-18:00, We,Fr 08:00-17:00, Sa 08:00-13:00
Unverified listing — call ahead to confirm hours and availability.
224 Glenridge Ave, St Catharines, ON L2T 3J9
Unverified listing — call ahead to confirm hours and availability.
St. Catharines, Ontario
Hours: Mo-Fr 08:00-18:00, Sa 09:00-13:00
Unverified listing — call ahead to confirm hours and availability.
235 Martindale Rd Unit 1, St Catharines, ON L2W 1A5
Unverified listing — call ahead to confirm hours and availability.
107 Lakeshore Rd, St Catharines, ON L2N 2T6
Unverified listing — call ahead to confirm hours and availability.
260 Lakeshore Rd #9, St. Catharines, Ontario L2M 7R4
Hours: Mo-Fr 08:00-18:00, Sa 08:00-12:00
Unverified listing — call ahead to confirm hours and availability.
Martindale Animal Clinic
100 Fourth Ave, St. Catharines, Ontario L2S 3P2
Hours: Mo-Fr 07:30-19:00, Sa 09:00+
Unverified listing — call ahead to confirm hours and availability.
160 4th Ave, St Catharines, ON L2S
Unverified listing — call ahead to confirm hours and availability.
277 Welland Ave #14, St. Catharines, Ontario L2R 2P7
Hours: Mo-Fr 08:00-18:00
Unverified listing — call ahead to confirm hours and availability.
105 Hartzel Road, St. Catharines, Ontario
Hours: Mo-Fr 08:00-18:00; Sa 08:00-13:00; Su off
Unverified listing — call ahead to confirm hours and availability.
Emergency and after-hours cover in St Catharines
None of the 15 practices we list in St Catharines advertise emergency services — at 2am you are driving, so know where before you need to. Why most towns have no emergency hospital.
Nearest emergency hospitals outside St Catharines
- Niagara Veterinary Emergency Clinic — Thorold, ~8 km away, roughly a 14 min drive, open 24h
- Clarkson Village Animal Hospital — Oakville, ~47 km away, roughly a 39 min drive, open 24h
- East Mountain Animal Hospital — Hamilton, ~48 km away, roughly a 40 min drive, open 24h
- Clarkson Village Animal Hospital — Mississauga, ~48 km away, roughly a 40 min drive, open 24h
Distances are straight-line from St Catharines; drive times are estimates, not live traffic.
For a suspected poisoning, Pet Poison Helpline on (855) 764-7661 (24/7, consultation fee applies) can give you treatment advice immediately — often while you are still deciding whether to drive anywhere.
What vets in St Catharines say they offer
Grouped from what each practice states on its own website — we read 12 of the 15 listed here. A practice missing from a row hasn't said so on its site; that is not the same as not offering it, so call to check.
- Same-day appointments (1)
- St. Catharines Animal Hospital
- Accepting new patients (2)
- Carlton Animal Hospital, Lakeside Niagara Veterinary Clinic
- Boarding (1)
- Garden City Cat Hospital
- Grooming (1)
- Carlton Animal Hospital
- Acupuncture (1)
- Huntington Animal Hospital
- Rehabilitation & physiotherapy (1)
- Huntington Animal Hospital
- Dermatology (1)
- Lock One Animal Hospital
- End-of-life care & euthanasia (3)
- Glenridge Animal Hospital, Huntington Animal Hospital, St. Catharines Animal Hospital
About this list
Ordering is objective — 24/7 first, then emergency services, then alphabetical — and no clinic can pay for placement. Across Canada, an emergency exam typically runs C$150–C$300 and an overnight emergency C$1,000–C$3,500 — full cost breakdown · if you cannot pay.