How Tenants File Retaliation Complaints in Oshawa

Housing and Building Standards Ontario 4 Minutes Read · published May 24, 2026 Flag of Ontario

In Oshawa, Ontario tenants who face eviction, rent increases, harassment or other negative actions after asserting their rights may have protection under provincial law and municipal enforcement for property-standards issues. This guide explains the legal basis, who enforces retaliation and related bylaws, and practical steps to document and file a complaint in Oshawa, Ontario.

Document dates, communications and evidence as soon as possible.

Legal basis and where to start

The primary provincial statute for landlord-tenant disputes is the Residential Tenancies Act, 2006[1], which governs eviction, rent increases and tenant remedies. For tribunal filings and hearings, the Landlord and Tenant Board administers applications and orders under that Act and provides procedural information for tenants and landlords.Landlord and Tenant Board[2]

Penalties & Enforcement

Enforcement routes for retaliation complaints typically include tribunal remedies under the Residential Tenancies Act and municipal enforcement for bylaw contraventions such as property standards or nuisance. Specific monetary fine amounts for retaliation under provincial or municipal instruments are not always listed on the general information pages and thus may be not specified on the cited page; contact the enforcing body for current figures and orders.City of Oshawa - By-law Enforcement[3]

  • Enforcer: Landlord and Tenant Board for RTA remedies; City of Oshawa By-law Enforcement for municipal bylaw issues.
  • Fines: not specified on the cited page; amounts depend on the specific bylaw or order and must be confirmed with the enforcing office.
  • Escalation: tribunal orders, monetary compensation, or provincial offences for bylaw breaches; ranges or repeat-offence schemes are not specified on the cited pages.
  • Non-monetary sanctions: orders to comply, abatement notices, stop-work or occupancy orders, and court enforcement of tribunal orders.
  • Inspections and complaints: file a tenant application with the Landlord and Tenant Board or contact City of Oshawa By-law Enforcement for property matters.
If you face immediate unlawful eviction, seek urgent advice and file with the tribunal quickly.

Applications & Forms

The Landlord and Tenant Board publishes application forms and procedural guides for tenants seeking remedies under the Residential Tenancies Act, including applications related to harassment, illegal eviction and other reprisals; specific form names and fees should be confirmed on the LTB site.Landlord and Tenant Board forms and guides[2]

  • Form availability: LTB online applications and PDF guides; check the LTB site for the correct tenant application type.
  • Deadlines: time limits for bringing applications are set by statute and board rules; specific deadlines are not specified on the cited general information pages.
  • Fees: consult the LTB for any filing fees or fee-exemptions.

Practical complaint and evidence steps

Follow a clear process: collect evidence, attempt clear written communication, file with the tribunal or municipal enforcement depending on the issue, and prepare for hearings. Keep copies of all notices, photos, texts and emails.

  • Document: keep dated photos, messages, notices, witnesses and repair requests.
  • Notify: send a written notice to the landlord describing the issue and requested remedy; keep a copy.
  • File: submit the correct tenant application to the Landlord and Tenant Board when seeking remedies under the RTA. [2]
  • Municipal complaints: for property-standards or bylaw matters, contact City of Oshawa By-law Enforcement for inspections and orders.
Keep a separate folder for every incident and date every entry.

FAQ

What counts as retaliation by a landlord?
Actions like eviction notices, sudden rent increases, harassment after a tenant asserts rights, or refusal to repair can be retaliation if tied to the tenant exercising legal rights.
Where do I file a retaliation complaint?
Tenants typically file applications with the Landlord and Tenant Board for RTA issues or contact City of Oshawa By-law Enforcement for municipal bylaw violations.
How long do I have to file?
Statutory or board time limits vary by claim and form; specific filing deadlines are not specified on the cited general information pages and should be confirmed with the LTB or the enforcing municipal office.

How-To

  1. Gather evidence: save notices, messages, photos and witness names.
  2. Send a clear written request to the landlord explaining the issue and your desired remedy; keep proof of delivery.
  3. Choose the correct filing route: submit a tenant application to the Landlord and Tenant Board for RTA remedies or request a municipal inspection for bylaw breaches.
  4. Complete and submit LTB forms online or by mail and attend the hearing prepared with copies of evidence and witness statements.
  5. Follow enforcement instructions: if the board issues an order, use the specified enforcement route; for municipal orders, follow the City of Oshawa directions for compliance and appeals.

Key Takeaways

  • Retaliation claims can be remedied through the Landlord and Tenant Board or municipal bylaw enforcement depending on the issue.
  • Document thoroughly and send written notices before filing to strengthen your case.
  • Contact the Landlord and Tenant Board and City of Oshawa By-law Enforcement for application forms, inspection requests, and procedural guidance.

Help and Support / Resources


  1. [1] Government of Ontario — Residential Tenancies Act, 2006 (e-Laws)
  2. [2] Tribunals Ontario — Landlord and Tenant Board (LTB)
  3. [3] City of Oshawa — By-law Enforcement