Service Dog Laws Colorado


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Colorado law requires that a specially trained dog be allowed to accompany a blind, deaf, or physically disabled person to all housing, public accommodations, and on all common carriers. Extra charges cannot be made due to the presence of the dog, but if the dog causes damage to the premises, the dog user is liable.

Injury to Dog

Unlawful for any person, firm, corporation, or agent to injure, or harm, an Assistance Dog

Service Dog Trainers

A trainer of an assistance dog has the right to be accompanied by an assistance dog that the trainer is in the process of training without being required to pay an extra charge for the assistance dog in or on public places, accommodations and transportation. A trainer is a person who is qualified to train dogs to serve as Assistance Dogs

Service Dog Identification

No requirements, but dog may wear harness or blaze orange leash


All housing except “any single family residence, the occupants of which rent, lease, or furnish for compensation not more than one room in that residence


Unlawful for any person, firm, corporation, or agent to interfere with an Assistance Dog


Public streets, highways, walkways, public buildings, public facilities and services, and other public places; any place of public accommodation or on public transportation services; and any housing accommodation offered for rent, lease, or other compensation in the state

Register & Certify Your Service Dog in Colorado

The truth is that you are not legally required to register or certify a service dog in Colorado or any other state in the US. (*exception: New York City service dogs must be licensed by the city’s Department of Health). Service dogs are protected under the ADA, Americans with Disabilities Act. Registration and certification is possible – but completely optional – and does not convey any legal rights under the ADA or the Department of Justice.  Read more here:

Service Dog Registration & Certification in the US – The Truth Opens in a new tab.

Sam Amy Nelson

Sam Amy Nelson (she/her) is an advocate for people with disabilities and mental health.

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