Mediation for Roommate Disputes in Ontario

Roommates & Shared Housing Ontario 4 min read · published June 24, 2026 Flag of Ontario

Living with roommates can be stressful when disagreements about rent, chores, guests or repairs arise. If you rent in Ontario, mediation is a flexible, lower-cost way for tenants to resolve roommate disputes without immediately going to the Landlord and Tenant Board. Mediation focuses on clear communication, documenting concerns, and reaching practical agreements that all roommates can follow. This article explains how mediation works in Ontario, what to prepare, which official tribunal resources and forms are available, and where to get help if mediation does not resolve the issue. Follow these plain-language steps to protect your rights, reduce conflict, and avoid escalation to formal applications or eviction.

What is mediation and when to use it

Mediation is a voluntary, confidential process where a neutral mediator helps people discuss a dispute and find a mutually acceptable solution. For tenants facing roommate conflicts about unpaid shares of rent, shared bills, noisy guests, or responsibilities for repairs, mediation can save time and money compared with filing an application with the Landlord and Tenant Board. It is especially useful when relationships need rebuilding or when parties want a tailored agreement rather than a tribunal order.

Keep a record of dates, communications, and photos.

Benefits of mediation

  • Less risk of eviction or formal hearings because disputes can be settled without tribunal rulings.
  • Lower fees compared with formal applications to the Landlord and Tenant Board.
  • Faster resolution than a tribunal hearing, which can take weeks or months.
  • More control over the outcome because roommates craft their own agreement.

How mediation connects with the Landlord and Tenant Board

In Ontario the Landlord and Tenant Board (LTB) handles many tenancy issues and can offer mediation or dispute resolution services depending on the case. If mediation fails, parties may proceed to an application or hearing before the LTB. For information on tribunal services and official forms, consult the Landlord and Tenant Board resources [1].

Documenting the problem and proposed solutions helps mediators find practical outcomes.

Key official forms and when tenants might use them

Ontario’s LTB provides standardized application forms for tenancy disputes. Common examples include:

  • Application to Evict a Tenant for Non-Payment of Rent and to Collect Rent the Tenant Owes (Form L1) — used when a roommate has not paid their share and you want the tribunal to collect arrears or order eviction; for example, if a roommate stops paying their portion for two months and other attempts to collect payment fail. See the LTB forms page [1].
  • Application to End a Tenancy and to Evict a Tenant (Form L2) — used for other grounds to end a tenancy; for example, when serious breaches occur and mediation did not resolve the issue. See the LTB forms page [1].

If you need the exact form name, number, or instructions, always download forms directly from the LTB site to ensure you have the current version [1]. The governing legislation is the Residential Tenancies Act, 2006, which explains tenant and landlord rights under Ontario law [2].

Practical steps before mediation

Prepare clearly and calmly so the mediation session is productive. Collect evidence, outline the outcome you want, and consider reasonable compromises. If you are a tenant worried about habitability or repairs, bring documented repair requests and any photos or messages that show attempts to resolve the matter. If issues might involve the landlord later, know what you will say and what paperwork you can provide.

Bring only relevant documents and keep copies for yourself.
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FAQ

Is mediation mandatory in Ontario?
No. Mediation is usually voluntary for roommates, though the LTB may encourage or offer mediation before a hearing in some cases.
Can a mediated agreement be enforced?
Yes. A written agreement can be enforced if parties sign it; sometimes the LTB can turn an agreement into an order if the tribunal is involved.
Do I need a lawyer for mediation?
No. Tenants can represent themselves in mediation, but you may bring a legal clinic worker or lawyer if you prefer.
What if my roommate refuses to attend mediation?
If a roommate refuses, you can still document your attempts to mediate and decide whether to pursue an application with the LTB.

How-To

  1. Gather documents and evidence such as photos, messages, receipts, and dates of incidents.
  2. Create a clear timeline of events and what you have already tried to resolve the issue.
  3. Contact the mediator service or the Landlord and Tenant Board to learn about options and book a session [1].
  4. Attend the mediation, describe the issue respectfully, and propose practical solutions or compromises.
  5. If you reach agreement, get it in writing, ensure everyone signs it, and keep copies.
  6. If mediation fails, file the appropriate LTB application using the official form and follow tribunal instructions [1].

Key Takeaways

  • Mediation is a voluntary, confidential option that can resolve many roommate disputes without formal hearings.
  • Prepare evidence and a timeline to improve your chances of a constructive outcome.
  • If mediation fails, the Landlord and Tenant Board offers official forms and hearings under the Residential Tenancies Act, 2006.

Help and Support / Resources


  1. [1] Landlord and Tenant Board - official site and forms
  2. [2] Residential Tenancies Act, 2006 (e-Laws)
  3. [3] Find rental homes across Canada on Houseme

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David Chen
David Chen

Tenant Law Analyst, Tenant Rights Canada

David specializes in Ontario residential tenancy law and Northern territories housing regulations. He has followed developments at the Landlord and Tenant Board closely for over eight years and writes extensively on LTB procedures, rent increases, and maintenance obligations.