
In Ontario, landlords are prohibited from discriminating against rental applicants or tenants on sixteen grounds known as “prohibited grounds “. Some rental ads can be explicitly discriminatory while others discriminate “by accident”. Ontario Human Rights Commission states that “preferential” language choices by landlords are just as problematic as blatantly discriminatory word choices:
“Some landlords, when listing “selling points” to attract tenants, make statements that may discriminate, even if they don’t mean to. This often happens when you are trying to appeal to people you think may like the rental unit… These statements suggest that the landlord prefers some people over others. …These ads discourage good tenants from applying, because they think they won’t be treated fairly.”
Examples of explicit discriminatory language and preferential language:
The Ontario Human Rights Commission advises landlords to keep a few things in mind when write a rental ad.
Landlords are required to:
Landlords’ duties in case of request for accommodation:

Landlords are required to take accommodation requests from tenants with disabilities seriously and respond to them in a timely manner. Landlords are only able to deny an accommodation request if they can prove that meeting the request constitutes “undue hardship.”
A landlord can only claim undue hardship if accommodating a tenant would seriously threaten the financial viability of their business or endanger the health or safety of other tenants.
Both the landlord and the tenant should look into whether any outside sources of funding, such as government grants, are available to help pay for the cost of accommodation.
It is the responsibility of the landlord to prove undue hardship. They should consider:
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