Family Pet Hospital Share: Veterinarians Family Pet Hospital Visit Website Request Info 815 East 17th Ave., Unit C-2 Longmont, CO 80501 303-485-1285 www.familypetlongmont.com About Map About Full service Longmont veterinary practice offering diagnostic, preventative, and dental care to dogs and cats. What's Nearby? Distance: 5 10 15 20 25 50 mi.