Ontario Required Landlord Disclosures: What You Must Tell Tenants

Ontario landlords have several mandatory disclosure obligations under the Residential Tenancies Act (RTA) and related regulations. Failing to meet these requirements can give tenants the right to withhold rent or file applications with the Landlord and Tenant Board (LTB).

Summary of Required Disclosures

Ontario Standard Form of Lease

Since April 30, 2018, most private residential landlords must use the Ontario Standard Form of Lease for all new tenancy agreements. This applies to:

• Apartments and houses
• Condominiums rented by the owner
• Single rooms in a house (in most cases)
• Secondary suites and basement apartments

What the Standard Lease Includes

The government-prescribed form covers:

• Names of the landlord and tenant
• Address of the rental unit
• Term of the tenancy (start date, fixed-term or month-to-month)
• Rent amount and payment due date
• Services and utilities included in rent
• Rent deposit information
• Rules about smoking and insurance
• Additional terms (which must comply with the RTA)

If the Landlord Does Not Provide the Standard Lease

If a tenant requests the standard lease in writing and the landlord fails to provide it within 21 days, the tenant may:

1. Withhold one month's rent as a remedy
2. If the landlord still does not provide it within the next 30 days, the tenant can keep the withheld rent
3. The tenant's obligation to pay is only suspended — it does not eliminate the obligation entirely once the lease is provided

Landlord Identity Disclosure

Under RTA §12, if a tenancy agreement is not in writing, the landlord must provide the tenant with:

• The landlord's legal name
• The landlord's address for service (where notices can be sent)

This information must be provided within 21 days of the start of the tenancy. Failure to do so may affect the enforceability of notices served on the tenant.

Rent Increase Disclosures

Before increasing rent, landlords must:

1. Provide at least 90 days' written notice using Form N1 (Notice of Rent Increase)
2. The notice must specify the new rent amount and the effective date
3. Informal communications (emails, text messages, verbal conversations) are not legally valid rent increase notices

See our Rent Increases预览不可用 guide for full details.

Suite Metering Disclosure

If the rental property uses utility sub-metering (where tenants pay for their own electricity usage separately from rent), landlords must:

• Disclose the sub-metering arrangement before the tenancy begins
• Ensure the sub-metering provider is licensed under the Energy Consumer Protection Act
• Provide clear information about how utility charges are calculated

Lead Paint and Environmental Disclosures

Unlike some other jurisdictions, Ontario does not have a specific lead paint disclosure statute for residential rentals. However:

• Properties must comply with general health and safety standards
• If the landlord is aware of hazardous materials (asbestos, mold, lead paint), they have a general duty under common law and the Occupational Health and Safety Act to ensure the premises are safe
• Municipal property standards bylaws may require specific hazard disclosures

Disclosure of Prior Eviction Applications

When applying to the LTB for a no-fault eviction (N12 for landlord's own use, N13 for demolition/renovation), landlords must disclose:

• Any prior no-fault eviction applications they have made
• Whether previous evictions were carried out in good faith
• This helps the LTB assess whether the current application is genuine

Best Practices for Ontario Landlords

1. Always use the Ontario Standard Lease — Even if not strictly required, it protects both parties
2. Keep copies of all documents — Maintain signed copies of leases, notices, and disclosures
3. Provide lease copies promptly — Within 21 days to avoid rent withholding
4. Use proper forms for notices — LTB forms are mandatory; informal notices are not valid
5. Document everything in writing — Verbal agreements are enforceable but harder to prove
6. Stay updated on regulatory changes — Ontario periodically updates disclosure requirements

How Landager Helps

Operating in Ontario's highly regulated rental market requires strict adherence to procedural timelines and the use of government-mandated forms. With the Landlord and Tenant Board (LTB) maintaining rigorous standards for evidence and notice accuracy, even small administrative errors can lead to months of delays. Landager simplifies Ontario property management by automating the generation of the mandatory Ontario Standard Lease, tracking the 90-day window for Form N1 rent increases, and maintaining detailed digital logs of maintenance requests to protect against rent abatement claims. Whether you are managing rent-controlled units in Toronto or multi-tenant commercial spaces in Ottawa, Landager provides the structural framework and record-keeping tools necessary to navigate the RTA with confidence and mitigate the risks of costly legal disputes.

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