Bed Bugs in an Ontario Apartment: Your Rights as a Tenant

If your Ontario apartment has bed bugs, the law is on your side: your landlord is responsible for paying for and arranging treatment, in almost every case. The Residential Tenancies Act requires a landlord to keep the unit fit to live in, and a bed bug infestation makes it unfit, so the cost is theirs even if your lease says otherwise. What you owe in return is preparation: you have to get the unit ready for treatment and let the crew in. The treatment itself is usually bed bug treatment in Toronto over two to three visits, or bed bug heat treatment in Toronto where it has spread. This page is the bed-bug-specific version of your rights, deeper than our general landlord and tenant guide: who pays, what you must do, and exactly what to do if the landlord stalls.

This is general information, not legal advice. For your situation, contact the Landlord and Tenant Board or a community legal clinic.

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My apartment has bed bugs: what are my rights?

You have four rights that matter on day one:

• The landlord pays. Treatment of the unit, and of neighbouring units if needed, is the landlord's cost under the Residential Tenancies Act, even if the lease says otherwise.
• The landlord has to act. Once you report it, the landlord must arrange treatment within a reasonable time. Report it in writing and keep the date.
• You cannot be evicted for reporting. A landlord cannot evict you because you reported bed bugs or asked for repairs.
• You can go to the Board. If the landlord stalls, you can file a T6 with the Landlord and Tenant Board, which can order the work and a rent abatement.

Your side is preparation and access: follow the prep sheet, and let the technicians in on the scheduled day.

Who pays for bed bugs in an Ontario rental?

The landlord. Section 20 of the Residential Tenancies Act puts a legal duty on the landlord to keep the rental unit and building in a good state of repair and fit for habitation. A bed bug infestation fails that standard, so arranging and paying for professional treatment is the landlord's job and the landlord's cost.

This holds even if your lease says the tenant is responsible for pest control. Section 4 of the Act voids any lease term that conflicts with it, and a landlord cannot contract out of the section 20 duty. A clause that tries to make you pay for bed bug treatment is not enforceable. Section 20 (2) goes further and says the duty applies even if you knew about a problem before you signed, so seeing a bug on the viewing and renting anyway waives nothing.

There is one narrow exception: if a landlord can prove at the Landlord and Tenant Board that you alone caused the infestation, they can try to recover the cost. That is a high bar. Bed bugs spread through wall voids, shared hallways, and second-hand furniture, and pinning the source on one tenant is rarely possible. The default stays firmly with the landlord.

The tenant's real duty: preparation

Your side of the deal is cooperation, and with bed bugs it genuinely matters, because an unprepared unit defeats the treatment. The landlord pays and arranges; you get the unit ready and let the work happen.

• Let the crew in. The landlord or their pest company can enter with 24 hours' written notice stating the time. Blocking access can shift responsibility onto you and weaken any later claim.
• Follow the prep sheet. Bed bug treatment needs the unit prepared. That usually means bagging all clothing and bedding and running it through a hot dryer, pulling furniture away from the walls, reducing clutter so the technician can reach harbourage, and emptying nothing you are told to leave in place. If the pest company gives a prep sheet, follow it exactly.
• Do not spread them. Do not drag infested mattresses or furniture through the building to the curb without bagging them first, and do not move your belongings into a friend's place mid-infestation, because that is how bed bugs travel.

A treatment on an unprepared unit fails, and repeat failures caused by no prep can land on the tenant. Doing the prep well is both your obligation and your fastest route to being rid of them.

Why treating one unit fails in a building

This is the point most tenants and some landlords miss. Bed bugs do not respect unit walls. They travel through electrical conduits, plumbing chases, baseboards, and the gaps around outlets, moving between apartments that share a wall, a floor, or a ceiling. Treat the single unit that complained and clear it, and the bugs walk back in from the untreated unit next door a few weeks later.

A real fix in a multi-unit building means inspecting and treating the affected unit plus its neighbours, the units on either side and the ones directly above and below, as a coordinated block. That is the landlord's job to arrange, and it is a large part of why the responsibility sits with them rather than with individual tenants buying store spray one kitchen at a time. If you want to understand what a proper treatment involves before that conversation, our bed bug treatment page walks through the options, and the bed bug heat treatment page explains the whole-unit thermal approach that clears every life stage in one visit.

What to do if the landlord ignores it

You have a clear escalation path, in order. Work it step by step and document everything as you go.

1. Put it in writing. Tell the landlord about the bed bugs in writing, by text or email, and keep the copy. Date it, describe what you are seeing, bites in a line, blood spots on the sheets, live bugs in the mattress seams, and ask them to arrange professional treatment. A verbal complaint is easy to deny later. A written record is your evidence.
2. Escalate to the city. If you live in an apartment building with three or more storeys and ten or more units, it falls under RentSafeTO, and you report the problem to 311. For any rental of any size, including a basement apartment, triplex, or condo, you can report a property standards violation to 311 under Toronto Municipal Code Chapter 629, which requires every property to be kept free of pests. A municipal standards officer can inspect and issue an order with a compliance date. There is no fee to complain or request an inspection.
3. Apply to the Landlord and Tenant Board. If the landlord still does not act, file a T6, the Tenant Application about Maintenance, with the Landlord and Tenant Board. The filing fee is $53, or $48 if you file online through the Tribunals Ontario Portal. The Board can order the landlord to do the work, order a rent abatement for the time you lived with the infestation, and order them to reimburse your costs.
4. Keep documenting the whole time. Dated photos, your written complaints, the landlord's replies, receipts, and any medical notes if the bites affected your health. The tenant with the paper trail wins at the Board.

Do not withhold rent as a first move. It can put you in arrears and expose you to an eviction application, and it is not the sanctioned remedy. The 311 complaint and the T6 are the routes the system actually backs.

The T6 application and what the Board can order

The T6 is the standard bed bug application. When you file it and prove the landlord failed to deal with the infestation, section 30 of the Act lets the Board order the work done on a timeline, a rent abatement for the period you lived with the bed bugs, reimbursement of your out-of-pocket costs like treatment receipts and replaced furniture, and in serious cases a fine. The abatement is set as a percentage of your rent tied to how badly the problem affected your use of the unit, so a serious, drawn-out infestation with a clear paper trail supports a larger one. The size of an award turns on your evidence, which is exactly why the dated photos and written complaints matter so much.

Second-hand furniture: the warning that saves everyone

Most residential bed bug infestations start one of two ways: they travel in from a neighbouring unit, or they ride in on second-hand furniture. A curbside mattress, a used couch off an online marketplace, or a "free" armchair from a lobby is one of the most common ways people bring bed bugs into a clean home.

Never bring a discarded mattress or upholstered furniture indoors without inspecting the seams, tufts, and underside for live bugs, shed skins, and dark spotting first. If you are getting rid of an infested mattress, bag and label it so no one else picks up the problem. This one habit prevents more infestations than any treatment cures.

Common questions

Reviewed October 2026.

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