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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Landlord & Tenant Rights Ontario » Who is Legally Responsible for Exterminator Fees for Bedbugs in Ontario?

Who is Legally Responsible for Exterminator Fees for Bedbugs in Ontario?

12 Jun 2026 5 min read No comments Landlord & Tenant Rights Ontario
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In Ontario, landlords are legally responsible for paying all exterminator fees to eradicate bedbugs and other pests. Under the Residential Tenancies Act, it is the landlord’s strict duty to maintain the rental unit in a good state of repair and fit for habitation, regardless of how the bedbugs were introduced. Filing a complaint at the Landlord and Tenant Board costs $53 CAD.

Discovering bedbugs in your apartment is a deeply distressing experience. For tenants living in densely populated cities like Toronto, Ottawa, and Hamilton, pest infestations are an unfortunate but common reality of urban living. The immediate reaction is often panic, followed by the stressful question of who will pay for the expensive extermination process.

Many landlords attempt to pass the bill to the tenant, arguing that the tenant “brought the bedbugs in” on luggage or used furniture. However, Ontario law is extremely clear on this matter. Under Section 20 of the Residential Tenancies Act (RTA), maintaining a pest-free environment falls squarely on the property owner. You are generally not required to pay for the exterminator, but you do have strict responsibilities to prepare your unit for the treatment. Understanding the legal process ensures you get the problem solved without being unfairly billed. 📍

Step-by-Step Process in Ontario

Dealing with a bedbug infestation requires immediate action and clear communication. If you suspect pests in your Mississauga or Brampton apartment, you must follow the proper legal and procedural steps to protect your rights.

Step 1: Identify and Document the Infestation

The moment you notice bite marks or see actual bedbugs on your mattress, take clear, date-stamped photographs. Check the seams of your mattress, baseboards, and soft furniture. Solid documentation is your best defence if your landlord tries to deny the problem exists or delays taking action.

Step 2: Notify Your Landlord in Writing

Do not just call your superintendent; you must send a formal written notice (email or a registered letter) detailing the pest issue. Request immediate pest control intervention. In Ontario, property managers are expected to respond to pest complaints within a few days to prevent the infestation from spreading to neighbouring units. 📧

Step 3: Prepare the Unit for the Exterminator

While the landlord pays the bill, the tenant must do the physical labour of preparing the unit. The exterminator will provide a checklist, which usually includes bagging all clothing, washing linens in hot water, moving furniture away from walls, and emptying closets. If you fail to prepare the unit, the treatment may fail, and the landlord could potentially apply to evict you for interfering with their maintenance duties.

Step 4: Allow Lawful Entry

Your landlord must provide you with at least 24 hours of written notice before the exterminator enters your unit. This notice must state the exact date, time of entry (between 8:00 AM and 8:00 PM), and the reason. You cannot legally refuse entry if proper notice is given. 🚪

Step 5: Call Local Property Standards or Bylaw Enforcement

If your landlord ignores your written request or refuses to hire a professional, contact your city’s municipal bylaw office (like Toronto’s RentSafeTO or Ottawa Bylaw). A bylaw officer can inspect your unit and issue a legally binding property standards order, forcing the landlord to hire a licensed exterminator immediately.

Step 6: File a T6 Application at the LTB

If the landlord still refuses to act, or if they try to illegally charge you for the exterminator invoice, you should file a Form T6 (Tenant Application about Maintenance) with the Landlord and Tenant Board (LTB). You can ask the adjudicator to order the landlord to perform the work, reimburse you for out-of-pocket expenses, or grant you a rent abatement for the months you lived with the infestation.

How Much Does it Cost in Ontario? 💰

Pest control is expensive, but the financial burden legally rests on the property owner. Here is a breakdown of the costs involved in the process:

  • Exterminator Fees: $0 CAD for the tenant. The landlord must pay the commercial pest control company, which typically charges $300 to $1,000+ CAD per unit depending on the severity.
  • LTB Filing Fee: It costs $53 CAD (or $48 if filed online via the Tribunals Ontario Portal) to submit a T6 application against your landlord.
  • Laundry and Prep Costs: Unfortunately, tenants generally must cover the cost of laundering their own clothes and buying garbage bags, though you can request reimbursement through the LTB.
  • Legal Representation: Hiring a licensed Ontario paralegal to represent you at an LTB hearing usually costs between $500 and $1,500 CAD.
ResponsibilityLandlord’s Duty in OntarioTenant’s Duty in Ontario
Paying the ExterminatorStrictly responsible for all invoices.Does not pay, even if accused of bringing bugs in.
Preparing the UnitMust provide clear instructions/checklist.Must wash clothes, bag items, and move furniture.
Hiring ProfessionalsMust hire licensed pest management.Cannot hire their own and deduct from rent without an LTB order.

How Long Does the Process Take?

Because bedbugs multiply rapidly, landlords are expected to act urgently. An exterminator should typically be scheduled within 3 to 7 days of your written complaint. The eradication process usually requires at least two chemical or heat treatments spaced two weeks apart. However, if your landlord refuses to act and you must file an LTB application, waiting for a hearing date can currently take 4 to 8 months due to significant provincial backlogs.

Frequently Asked Questions (FAQ)

Can I stop paying rent until the bedbugs are gone?

No. In Ontario, you must never withhold your rent. Withholding rent gives the landlord grounds to issue an N4 eviction notice. You must continue paying rent and file a T6 application at the LTB to request a legal rent abatement.

What if my lease says I have to pay for pest control?

Any clause in a lease that shifts the responsibility of maintenance or pest control onto the tenant is legally void and unenforceable under the Residential Tenancies Act.

Will the landlord reimburse me for my infested mattress?

Generally, landlords are not automatically required to replace your personal property. To get compensation for ruined furniture, you must prove to the LTB that the landlord was severely negligent and ignored the infestation for an unreasonable amount of time.

Can I hire my own exterminator and deduct it from next month’s rent?

This is highly risky. Ontario law strictly forbids deducting maintenance costs from your rent without prior permission from an LTB adjudicator. If you deduct it, you could face eviction for rent arrears.

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