Vet Clinics in Longmont, Colorado3 veterinary clinics in Longmont, Colorado.HomeClinicsColoradoLongmontClinicsFamily Pet Hospital — 815 E 17th Ave Unit C-2, Longmont, CO 80504, USA (4.9 stars)The Animal Hospital — 1250 Main St, Longmont, CO 80501, USA (4.7 stars)Emergency Pet Clinic of Longmont — 1517 Main St, Longmont, CO 80501, USA (4 stars)