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Screening Tenants in Ontario: What Landlords Can Ask and Require

Learn what Ontario landlords may ask prospective tenants for, including credit checks, income, guarantors and deposits, and what the Human Rights Code forbids.

Real Estate5 min readTSLBy the Treadstone Law Team · OntarioUpdated November 6, 2026
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Key takeaways
  • A landlord may ask for credit references, rental history and consent to a credit check, and may ask for income information only alongside those items.
  • The only deposit allowed is a rent deposit of no more than one month's rent or one rent period, whichever is less, and post-dated cheques cannot be required.
  • A lease term that conflicts with the Residential Tenancies Act, 2006 is void, whatever the parties agreed.

Choosing a tenant is one of the biggest decisions a rental landlord makes. Ontario lets you ask a fair amount of questions, but it also sets firm limits on what you can ask for, what you can collect, and what you can base a refusal on.

If you are an applicant, the same rules tell you what to expect and when a request may go too far. This article walks through the main screening tools, the deposit rules, the Human Rights Code limits, and the lease basics.

What a landlord may ask for

A landlord may ask a prospective tenant for credit references and rental history, and for permission to run a credit check. The landlord may use these to select or refuse the applicant.

Income information is treated differently. A landlord may ask for it only if they also ask for credit references, rental history or a credit check, and it must be considered together with that other information.

There is an exception. If the landlord asked for all of the listed information but obtained only income information, the landlord may consider income alone.

Guarantors, deposits and post-dated cheques

A landlord may require a prospective tenant to get a guarantee for the rent, so guarantor clauses are permitted. A guarantor who is named as a tenant in the lease but has no right to occupy the unit does not become a tenant under the Residential Tenancies Act (RTA). How far a guarantor is liable depends on the wording of the guarantee, so read it carefully before signing.

The only security deposit a landlord may collect is a rent deposit. It can be no more than one rent period or one month's rent, whichever is less, and it earns annual interest at the rent increase guideline rate. A security deposit may be required only in line with RTA sections 105 and 106.

Neither a landlord nor a lease may require a tenant or prospective tenant to provide post-dated cheques or other negotiable instruments for rent.

ItemWhat the rules say
GuarantorMay be required
Rent depositMaximum one rent period or one month's rent, whichever is less
Deposit interestAnnual, at the guideline rate
Post-dated chequesCannot be required

What a landlord cannot base a refusal on

Under the Human Rights Code, everyone has a right to equal treatment in the occupancy of accommodation, without discrimination because of the following grounds:

Using income information, credit checks, credit references, rental history or guarantees in the manner the regulation prescribes does not infringe the Code. In other words, the screening tools described above are allowed when used as the rules set out. Using them as a cover for refusing someone on a protected ground is a different matter, and a lawyer can help assess a specific situation.

Special cases: shared kitchens, basement apartments and young tenants

The Code right is not infringed where the occupant must share a bathroom or kitchen with the owner or the owner's family, in a dwelling where they live. Similarly, the RTA does not apply where the occupant must share a bathroom or kitchen with the owner, or with the owner's spouse, child or parent, who lives in the same building.

A self-contained basement apartment does not fall under this exemption. If the unit has its own kitchen and bathroom, assume the full RTA and Code rules apply.

A 16- or 17-year-old who has withdrawn from parental control has a right to equal treatment in renting accommodation. A lease they sign is enforceable against them as if they were 18.

The lease and what to do next

For most private rentals, landlords must use the Ontario standard lease for new leases. If a tenant asks in writing and does not receive it within 21 days, the tenant may withhold one month's rent.

The RTA applies to rental units despite any agreement or waiver to the contrary. Any lease term that conflicts with the Act is void. A tenant cannot sign away these protections, and a landlord cannot rely on a clause that breaks them.

Frequently asked questions

Can a landlord ask how much I earn?

Yes, but only if the landlord also asks for credit references, rental history or a credit check, and income must be considered together with that information. If the landlord asked for everything but obtained only income information, they may consider income alone.

Can a landlord require a guarantor?

Yes. A landlord may require a prospective tenant to get a guarantee for the rent. A guarantor named in the lease who has no right to occupy the unit does not become a tenant under the RTA.

How much deposit can a landlord take?

Only a rent deposit is allowed, and it can be no more than one rent period or one month's rent, whichever is less. It earns annual interest at the rent increase guideline rate.

What if my landlord won't give me the standard lease?

For most private rentals, the landlord must use the Ontario standard lease for new leases. If you ask in writing and do not receive it within 21 days, you may withhold one month's rent.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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