24/7 Emergency Vets in Colorado

Our directory lists 14 emergency animal hospitals in Colorado, and 6 of them are confirmed open 24/7. Each listing was checked in October 2026, and closed clinics were removed.

Most emergency vets in Colorado are clustered around Boulder, Denver, and Lakewood. If you live farther out, look at the hospital page for the nearest backup option, and call before you drive. Hospitals marked "Open 24/7" have confirmed round-the-clock hours. For the rest, call to confirm they can see your pet right now.

Jump to a city: Aurora, Boulder, Denver, Edgewater, Englewood, Grand Junction, Lafayette, Lakewood, Littleton, Longmont, Parker, Westminster

Emergency vets in Aurora

Aurora Veterinary Emergency CenterCall to confirm hours18511 E Hampden Ave Ste 1. (303) 699-1665
Call

Emergency vets in Boulder

See Boulder page

VEG BoulderOpen 24/71905 29th Street. (738) 999-4010
Call
Boulder Emergency Pet ClinicCall to confirm hours1658 30th St. (303) 440-7722
Call

Emergency vets in Denver

See Denver page

VEG DenverOpen 24/73845 East Colfax Avenue. (720) 574-9834
Call
VEG Denver Tech CenterOpen 24/76305 East Hampden Avenue. (720) 739-6003
Call

Emergency vets in Edgewater

VEG EdgewaterOpen 24/75485 West 20th Avenue. (720) 996-1200
Call

Emergency vets in Englewood

VRCC Veterinary Specialty & Emergency HospitalCall to confirm hours3550 S Jason St. (303) 874-7387
Call

Emergency vets in Grand Junction

Animal ER of the Western SlopeCall to confirm hours1660 North Ave. (970) 255-1911
Call

Emergency vets in Lafayette

BluePearl Pet Hospital LafayetteOpen 24/72000 W South Boulder Rd. (720) 699-7766
Call

Emergency vets in Lakewood

Animal Critical Care & Emergency ServicesCall to confirm hours1597 Wadsworth Blvd. (303) 239-1200
Call

Emergency vets in Littleton

VEG LittletonOpen 24/75066 South Wadsworth Way. (720) 780-3311
Call

Emergency vets in Longmont

Animal Emergency CenterCall to confirm hours230 S Main St Ste A. (303) 678-8844
Call

Emergency vets in Parker

Animal Emergency & Specialty CenterCall to confirm hours17701 Cottonwood Dr. (720) 842-5050
Call

Emergency vets in Westminster

Northside Emergency Pet ClinicCall to confirm hours945 W 124th Ave. (303) 252-7722
Call

Frequently asked questions

How many 24/7 animal hospitals are in Colorado?

We list 14 emergency animal hospitals in Colorado, including 6 confirmed open 24 hours a day, 7 days a week.

Which cities in Colorado have an emergency vet?

Aurora, Boulder, Denver, Edgewater, Englewood, Grand Junction, Lafayette, Lakewood, Littleton, Longmont, Parker, Westminster.

Do I need an appointment at an emergency vet?

No. Emergency animal hospitals see urgent cases without an appointment and treat the most critical pets first. Calling ahead lets them prepare and tells you how busy they are.