Emergency vets in Longmont, CO
1 clinic in Longmont advertise emergency or 24-hour care. Call first: ER availability and wait times change by the hour.
Red markers = emergency clinics. Click a marker for details.
Animal Whispering
2226 Mariner Drive, Longmont, CO 80503
Unverified listing — call ahead to confirm hours and availability.
Nearest emergency hospitals outside Longmont
~13 miles away in Boulder
Colorado Animal Specialty & Emergency
2972;2982 Iris Avenue, Boulder, CO 80301
Verified 2026-07-27
~15 miles away in Lafayette
~15 miles away in Boulder
VCA All Pets Animal Hospital
5290 Manhattan Circle, Boulder, CO
Verified 2026-07-27
~27 miles away in Fort Collins
Fort Collins Veterinary Emergency and Rehabilitation Hospital
816 South Lemay Avenue, Fort Collins, CO 80524
Unverified listing — call ahead to confirm hours and availability.
~29 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.
~31 miles away in Edgewater
Veterinary Emergency Group
5485 West 20th Avenue, Edgewater, CO 80214
Verified 2026-07-27
Not an emergency? See all 7 vet clinics in Longmont →
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.