If your dog or cat helps you get through hard days, you're not alone. Many people with anxiety, depression or PTSD find real comfort in an animal. But the rules around emotional support animals (ESAs) in Ontario are confusing. A lot of websites sell "certificates" that don't mean much. This guide explains what an ESA is and how it differs from a service animal. It also covers housing, flights and what a support letter can and can't do.
This is general information, not legal or medical advice. Laws and airline policies can change, so check the official sources below for your situation.
What is an emotional support animal?
An emotional support animal is a pet that gives comfort and calm to someone with a mental health condition. It isn't trained to do specific tasks. Its support comes from being there.
That's different from a service animal. A service dog is trained to do tasks linked to a person's disability. Examples include guiding someone who is blind, alerting to a seizure or interrupting a panic attack.
There is no official ESA registry in Canada or Ontario
This is the most important thing to know. Canada and Ontario have no government registry for emotional support animals. There is no official ESA card, ID or certificate.
Websites that offer to "register" or "certify" your ESA for a fee are private businesses. Their certificates and vests are not recognized by any law. Be wary of:
Sites that promise an instant ESA letter after a short online quiz
"Official" registries, ID cards or badges
Guarantees that a landlord or airline must accept your animal
If a site promises a letter with no real assessment, it's a red flag.
ESAs and service animals under Ontario's accessibility law
Ontario's accessibility law, the AODA, has rules for service animals in places that serve the public, like stores and restaurants. Under these rules, an animal counts as a service animal if:
It can be easily identified as one, for example by a vest or harness, or
The person gives documentation from one of the listed regulated health professionals confirming they need the animal for reasons related to a disability.
The list includes members of several Ontario colleges. Among them are the College of Physicians and Surgeons, the College of Nurses, the College of Psychologists and the College of Registered Psychotherapists.
So where does an ESA fit? The AODA doesn't use the term "emotional support animal." Whether your animal is covered depends on your situation. A business may ask for a document if it isn't obvious the animal is a service animal. The Ontario rule is linked in our sources.
Housing and the duty to accommodate
The Ontario Human Rights Commission (OHRC) says landlords have a duty to accommodate tenants with disabilities. This includes mental health disabilities. The duty goes up to the point of undue hardship. That is a high bar. It looks at cost, outside funding, and health and safety.
What this can mean for you:
A "no pets" rule doesn't automatically end the conversation if an animal is related to a disability-related need.
A landlord may ask for information that confirms the need. They are not entitled to your full diagnosis or medical file.
Accommodation is a back-and-forth process. Both sides are expected to work together in good faith.
A support letter can help start that conversation. It does not guarantee a landlord will say yes. If you think your rights weren't respected, the OHRC's policy is a good place to start. You may also want legal advice.
Flying with an emotional support animal
The rules here are specific. In 2023, the Canadian Transportation Agency (CTA) decided that airlines covered by its accessibility rules must accept emotional support dogs in the cabin. There are conditions. They generally include:
A document from a licensed physician or other medical health professional who treats your mental health disability
A vet certificate, usually dated within two months of the flight
Sending your documents at least 96 hours before you fly
Keeping the dog in a carrier under the seat in front of you
No extra charge for the dog
Airlines don't have to accept other species, like cats, rabbits or birds. An airline can also refuse a dog that acts aggressively or is taken out of its carrier. Service dogs follow separate federal rules. They must be trained to do a task, and the airline can ask for proof of that training.
Each airline sets its own forms and steps. Check your airline's accessibility page well before you book.
What a support letter can and can't do
A support letter comes from a regulated health professional. It explains that you have a mental health condition and that your animal helps you manage it.
A letter can:
Support a request to a landlord for accommodation
Meet part of an airline's document requirements for an emotional support dog
Help explain your needs clearly
A letter can't:
Make your animal a "registered" ESA, since no registry exists
Guarantee housing or airline acceptance
Turn an ESA into a trained service animal
Override a landlord's undue hardship or an airline's conditions
Is an emotional support animal right for you?
An animal can bring calm, routine and a reason to get up each day. Walking a dog gets you outside. Caring for a pet can ease loneliness. For some people, that comfort makes a real difference.
An animal is also a big commitment. Think about:
Cost. Food, vet bills, pet insurance and supplies add up.
Time and energy. On hard days, can you still care for the animal? Do you have backup help?
Housing. Will your current or future home allow the animal?
Travel. Only dogs are accepted as emotional support animals on flights, and only with conditions.
Your other supports. An animal works best as one part of your care, alongside therapy, medical care and the people in your life.
There's no right answer for everyone. It's worth talking through with someone who knows your history.
Can our therapists write an ESA letter?
Yes. Our clinicians write ESA letters. A letter is only written after a real clinical assessment, as part of an ongoing therapy relationship. It's never sold instantly or after a quiz.
In therapy, you can talk about how your animal fits into your care and what else might help. You can also talk about whether a letter makes sense for you. Sometimes it does. Sometimes other supports are a better fit. Either way, the focus is on your mental health, not just the paperwork.
Support for anxiety, depression and more
An animal can be a great comfort, and therapy can add skills and support that last. Learn more about how we help with anxiety and depression, or see how online counselling works. It can be easier if leaving home is hard.
You can see us in Kitchener, Waterloo, Cambridge or Ottawa, or by secure video from anywhere in Ontario.
Cost, billing and your first step
Sessions with our therapists range from $130 to $200, depending on the clinician.
We accept Health Spending Accounts (HSAs).
We can direct bill many insurers. Coverage depends on your plan, so check with your insurer before you start.
Book a free 15-minute consultation with our admin team. Let them know you'd like to talk about an emotional support animal, and they'll help you find a therapist who's a good fit.
If you're in crisis: if you or someone you love is in immediate danger, call 911. If you're thinking about suicide, call or text 9-8-8 any time, day or night.
Last reviewed: October 2026
Sources
Canadian Transportation Agency issues final decision about travelling with emotional support animals, Canadian Transportation Agency
Service dogs: a guide, Canadian Transportation Agency
Accessible Transportation for Persons with Disabilities Regulations, section 51, Government of Canada
O. Reg. 191/11, Integrated Accessibility Standards, Government of Ontario
Policy on human rights and rental housing: duty to accommodate, Ontario Human Rights Commission