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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Landlord & Tenant Rights Ontario » Evictions & Rent Disputes Ontario » Evicting a Tenant for Smoking Medical Cannabis: The Human Rights Code vs N5 Notices in Ontario

Evicting a Tenant for Smoking Medical Cannabis: The Human Rights Code vs N5 Notices in Ontario

3 Jul 2026 5 min read No comments Evictions & Rent Disputes Ontario
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In Ontario, landlords can attempt to evict a tenant for smoking medical cannabis if the smoke substantially interferes with other residents, usually by issuing an N5 notice. However, the Landlord and Tenant Board (LTB) requires the landlord to prove they first tried to accommodate the tenant’s medical needs under the Human Rights Code. The filing fee for an L2 Application at the LTB is currently $186 CAD.

Managing a residential building in Ontario often involves balancing competing rights, especially when dealing with evictions and rent disputes. 📍 In cities like Toronto, Ottawa, and Hamilton, property managers frequently face a clash between a landlord’s strict smoke-free building policy and a tenant’s legal prescription for medical cannabis. While recreational smoking can be easily banned through a lease agreement, medical marijuana falls under the protective umbrella of the Ontario Human Rights Code, making the eviction process incredibly nuanced.

You cannot simply evict a tenant just because they are breaking a no-smoking clause if they have a valid medical requirement. 💰 A landlord has a strict legal “duty to accommodate” a disability up to the point of “undue hardship.” However, this does not give the tenant a free pass to cause a severe nuisance to neighbours. If second-hand smoke is pouring into adjacent units and causing health issues for other residents, a landlord can pursue an eviction using an N5 notice. Navigating this intersection of the Residential Tenancies Act (RTA) and human rights law is complex, so we strongly suggest contacting a local law firm or paralegal from our directory for guidance.

Step-by-Step Process in Ontario

Successfully navigating an eviction involving medical cannabis requires a highly documented, step-by-step approach. 📄 If you rush to the Landlord and Tenant Board (LTB) without showing you attempted to accommodate the tenant, your application will likely be dismissed.

Step 1: Document the Neighbour Complaints

Your first step is to build a paper trail of the substantial interference. 🔎 When neighbours complain about the smell of marijuana smoke, ask them to submit their complaints in writing, noting the specific dates, times, and how the smoke is affecting their health or enjoyment of their home. Vague complaints are rarely enough for the LTB; you need specific, objective evidence of the disruption.

Step 2: Request Medical Documentation

Approach the smoking tenant respectfully and inform them of the complaints. 📞 If they claim they are smoking for medical reasons, you have the right to request reasonable medical documentation to verify their need. You are not entitled to know their specific diagnosis, but you can ask for a doctor’s note confirming they require medical cannabis and specifically whether it must be smoked, rather than consumed via oils or edibles.

Step 3: Explore Reasonable Accommodations

Before issuing any eviction notices, you must attempt to find a compromise. ✔ This is your duty under the Human Rights Code. Could the tenant smoke on an outdoor balcony instead of indoors? Can you install better weather stripping around their door or provide a high-efficiency HEPA air purifier? Offer these solutions in writing. If the tenant refuses all reasonable alternatives and continues to smoke indoors, you have built a strong case that accommodating them further would cause undue hardship.

Step 4: Issue the N5 Notice

If the smoke continues to substantially interfere with other tenants despite your accommodation efforts, you can serve an N5 Notice (Notice to End your Tenancy for Interfering with Others, Damage or Overcrowding). 📁 The N5 notice gives the tenant 7 days to void the notice by stopping the offending behaviour (in this case, stopping the indoor smoking), while the actual termination date on the form must be at least 20 days from when it is served (or 14 days for a second N5). Ensure the notice is filled out flawlessly, as the LTB is notoriously strict on clerical errors.

Step 5: File an L2 Application at the LTB

If the tenant ignores the N5 notice and continues to smoke, you must file an L2 Application with the Landlord and Tenant Board. 💻 You will then be scheduled for a hearing where an adjudicator will review your evidence. At the hearing, you must prove both the substantial interference with other tenants and that you exhausted your duty to accommodate under human rights legislation.

How Much Does it Cost in Ontario?

Evicting a tenant for human rights-related issues can become a costly endeavour for a landlord. 💵 Here is a breakdown of the typical expenses you might incur in Ontario:

  • LTB Filing Fee: Filing an L2 Application costs $186 CAD if filed through the LTB’s online portal.
  • Accommodation Costs: Purchasing HEPA air purifiers or installing commercial door sweeps might cost between $200 and $600 CAD. This is often cheaper than a prolonged legal battle.
  • Legal Representation: Hiring an experienced paralegal or landlord-tenant lawyer to argue a complex human rights case at the LTB generally costs between $1,500 and $3,500 CAD.

How Long Does the Process Take?

Evictions in Ontario are rarely quick, especially when the Human Rights Code is invoked. ⌛ The LTB has experienced significant backlogs, meaning patience is absolutely required.

Process PhaseEstimated DurationKey Factors
Accommodation Attempts2 to 4 WeeksTime given to the tenant to provide medical notes and test out air purifiers or alternative smoking locations.
N5 Correction / Void Period7 DaysThe time the tenant has to stop the smoke and void the notice. The actual termination date on the N5 must be at least 20 days (or 14 days for a second N5).
Waiting for an LTB Hearing6 to 10 MonthsCurrent administrative backlogs at the Landlord and Tenant Board delay the scheduling of L2 hearings.

Frequently Asked Questions (FAQ)

Can I put a strict “no-smoking” clause in my Ontario lease?

Yes, since 2018, landlords can include strict smoke-free clauses in the Ontario Standard Lease, which covers tobacco and recreational cannabis. However, this clause can be challenged if the tenant has a valid medical prescription, triggering the duty to accommodate.

What if the tenant refuses to provide a doctor’s note?

If a tenant claims a human rights protection (disability) but refuses to provide reasonable medical documentation when requested, they may fail in their duty to participate in the accommodation process. In this case, the LTB is more likely to uphold your N5 eviction.

Can the tenant take me to the Human Rights Tribunal of Ontario (HRTO)?

Yes. A tenant facing eviction for medical cannabis use could file a concurrent application against the landlord at the HRTO claiming discrimination. However, the LTB also has the jurisdiction to apply the Human Rights Code directly during the eviction hearing.

Does “undue hardship” mean I have to lose money?

Undue hardship is a high legal threshold. Minor financial costs (like buying a door sweep) do not constitute undue hardship. However, if the smoke is causing other tenants to break their leases and move out, threatening the financial viability of your property, an adjudicator may agree you have reached undue hardship.

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