Emergency vets in Thornton, CO
No clinic in our Thornton 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 Thornton
~12 miles away in Lafayette
~15 miles away in Edgewater
Veterinary Emergency Group
5485 West 20th Avenue, Edgewater, CO 80214
Verified 2026-07-27
~15 miles away in Wheat Ridge
Wheat Ridge Animal Hospital
10140 West 44th Avenue, Wheat Ridge, CO 80033
Unverified listing — call ahead to confirm hours and availability.
~17 miles away in Boulder
VCA All Pets Animal Hospital
5290 Manhattan Circle, Boulder, CO
Verified 2026-07-27
~19 miles away in Denver
Veterinary Emergency Group
6305 East Hampden Avenue, Denver, CO 80222
Verified 2026-07-27
~20 miles away in Englewood
VRCC Veterinary Specialty & Emergency Hospital
3550 S Jason St, Englewood, CO 80110
Verified 2026-07-27
Not an emergency? See all 5 vet clinics in Thornton →
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: ASPCA Animal Poison Control (888) 426-4435 (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.