Vets in Costa Mesa, CA
🚨 Emergency care7 vet clinics in Costa Mesa — including 1 with emergency services (marked in red). Call ahead for same-day availability; for after-hours crises, hit the red button.
Red markers = emergency clinics. Click a marker for details.
Veterinary Emergency Group
2800 Harbor Boulevard, Costa Mesa, CA 92626
Verified 2026-07-27
All Creatures Care Cottage Veterinary Hospital
601 West 19th Street, Costa Mesa, CA 92627
Hours: Mo-F 07:30-18:00
Unverified listing — call ahead to confirm hours and availability.
Baker Bristol Pet Hosptial
2976 Bristol Street, Costa Mesa, CA 92626
Hours: Mo-F 07:00-18:00; Sa 07:00-14:00
Unverified listing — call ahead to confirm hours and availability.
Costa Mesa, CA
Hours: Mo-F 08:00-18:00 (W morning closed); Sa 09:00-13:00
Unverified listing — call ahead to confirm hours and availability.
2915 Newport Boulevard, Costa Mesa, CA 92663
Hours: Mo-F 08:00-18:00
Unverified listing — call ahead to confirm hours and availability.
Newport Harbor Animal Hospital
125 Mesa Drive, Costa Mesa, CA 92627
Hours: Mo-Fr 07:00-19:00; Sa 07:00-17:00; Su 09:00-17:00
Unverified listing — call ahead to confirm hours and availability.
South Coast Pet Hospital
Costa Mesa, CA
Unverified listing — call ahead to confirm hours and availability.
Emergency and after-hours cover in Costa Mesa
One practice in Costa Mesa post 24-hour hours and one offers emergency services — call before setting off; overnight staffing changes and full ICUs divert cases.
Nearest emergency hospitals outside Costa Mesa
- VCA Animal Hospital — Fountain Valley, ~2 miles away, roughly a 6 min drive, open 24h
- BluePearl Pet Hospital - Irvine — Irvine, ~4 miles away, roughly a 12 min drive, open 24h
- Orange County Veterinary Specialist — Tustin, ~7 miles away, roughly a 12 min drive, open 24h
- Advanced Veterinary Specialty Group — Tustin, ~7 miles away, roughly a 12 min drive, open 24h
Distances are straight-line from Costa Mesa; drive times are estimates, not live traffic.
For a suspected poisoning, ASPCA Animal Poison Control on (888) 426-4435 (24/7, consultation fee applies) can give you treatment advice immediately — often while you are still deciding whether to drive anywhere.
About this list
Ordering is objective — 24/7 first, then emergency services, then alphabetical — and no clinic can pay for placement. We have verified phone numbers for 6 of the 7 practices; the rest show addresses only. Across United States, an emergency exam typically runs $100–$250 and an overnight emergency $800–$3,000 — full cost breakdown · if you cannot pay.