Pet Licenses

City of Longmont Pet Licensing Information

Longmont city ordinances require that all domestic cats, dogs and pot-bellied pigs within city limits be licensed. This includes young and old pets, as well as indoor-only cats. City of Longmont pet licenses are valid for the calendar year and expire December 31. 

2023 City of Longmont pet licenses are now available for sale online at the link below, at Longmont Humane Society at our Intake Desk, in Boz’s Place and at the Well Pet Clinic or by mail as well as at the following local off-site locations beginning December 1. Please note that a service/convenience fee may be applied when purchasing licenses at off-site community locations:  Longs Peak Animal HospitalHappy Hounds Dog Care CenterBark Me BeautifulFamily Pet HospitalOlde Towne Animal Medical Center.

To schedule an appointment for a rabies vaccine or for information on having your pet spayed or neutered please contact the Well Pet Clinic at 303-651-0610.

Online Pet Licensing

Please note that when purchasing your pet license online, you will be charged a $4.50 shipping and handling fee. *If you have previously licensed a pet in the City of Longmont, please email to obtain your “Person Number” for use on the online form. Licenses purchased online will be shipped within 10-14 days. Questions? Please email

If purchasing by mail, please print and fill out the license information form and submit with your payment and a self-addressed, stamped envelope to LHS.

Please make checks payable to Longmont Humane Society and send to:
Longmont Humane Society
ATTN: Pet Licensing
9595 Nelson Rd
Longmont, CO 80501