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Regulation & Policy · APC Review

Commonly Accepted Methods: What Manitoba Law Asks of a Pest Treatment in Rental Housing, and Why That Is Not an Efficacy Standard

The provincial policy makes landlords responsible for getting rid of pests using commonly accepted methods, and gives spraying for insects as its example. The two pests it names as examples are cockroaches and bed bugs, which are the two this journal has spent most effort showing that spraying does not control

Published 2026-09-19 Updated 2026-09-19 Reading time 22 min References 10

Abstract

Responsibility for pest control in Manitoba rental housing is set out in the Residential Tenancies Branch policy guidebook, which allocates duties clearly: landlords are generally responsible to investigate complaints, to get rid of pests using commonly accepted methods, and to make repairs necessary to prevent entry; tenants are generally responsible to keep the unit reasonably clean and uncluttered, to report problems, to allow entry, and to prepare the unit as instructed. This paper examines that framework and identifies a structural problem in it. The standard of performance is defined by convention rather than by outcome, and the example of a commonly accepted method the policy offers is spraying for insects, while the two insects it names in its own definition of pests are cockroaches and bed bugs. The policy text was last revised in May 2015. The paper also examines the building-scale problem the policy describes accurately, in which a single uncooperative unit can re-infest a treated floor once residual effects wear off, and the asymmetry in remedies, where the named order compels a tenant to permit entry while a landlord who treats inadequately is addressed by referral to environmental health. Nothing here is legal advice.

Residential Tenancies ActManitobalandlordtenantbed bugsrental housingpest control lawpolicy

1. Introduction: the question every multi-unit job raises

In a rental building the first argument is never about entomology. It is about who is responsible, who pays, and what counts as having dealt with it.

Manitoba answers the first two reasonably clearly in published policy. The third is where the framework and the evidence part company.

This article is not legal advice It describes published provincial policy and statutory references as we read them. We are a pest control company, not lawyers. Anyone with a live dispute should contact the Residential Tenancies Branch or obtain legal advice rather than rely on a trade publication.

1.1 What is examined here

The Residential Tenancies Branch policy guidebook contains a subsection dedicated to pest control, setting out what landlords and tenants are each generally responsible for and what the Branch does when they disagree.1 This paper works through it and then asks whether the standard it sets can produce control of the pests it names.

2. Where the duty actually comes from

The first surprise for anyone expecting the tenancy legislation to contain the requirement.

The policy states that pest control requirements fall under municipal bylaws or The Public Health Act, and that these requirements may vary from one municipality to another.1

The legislation the subsection cites is section 59 of The Residential Tenancies Act, the City of Winnipeg Neighbourhood Liveability By-law No. 1/2008, and section 20 of The Public Health Act.1345

2.1 Why that structure matters

The tenancy framework is the forum in which disputes are heard, but the substantive requirement sits partly in municipal bylaw and public health legislation.

The consequence the policy states explicitly is variation between municipalities.1 A landlord operating in Winnipeg and in a smaller municipality is not necessarily subject to identical requirements, which is worth knowing before anyone asserts that a single provincial rule governs.

2.2 The environmental health route

That structure also explains why the policy contemplates involving health authorities. The Branch or the tenant may also decide to contact the municipal health authority to help resolve a pest problem.1

3. What the policy defines as a pest

The definition is short and its content matters for §16.

For the purpose of the subsection, pests include insects like cockroaches or bed bugs and rodents like mice or rats.1

3.1 The four named organisms

Two insects and two rodents, chosen as the representative cases. This journal has published substantial work on all four, and the two insects named are precisely the two for which conventional liquid application has the weakest evidence.

That is not a criticism of the definition, which is sensible. It becomes relevant when set against the method the same policy names as an example of getting rid of them.

3.2 Why the duty exists at all

The rationale is given in public legal education material summarising the framework: mice, cockroaches, bedbugs and other pests can be a health risk, so landlords must keep infestations under control, and tenants also have an obligation to cooperate, for example by taking the appropriate steps to prepare.6

3.3 The significance of a health framing

Pest control is placed on the health side of the ledger rather than treated as an amenity or a question of comfort. That is what connects it to The Public Health Act and to municipal liveability bylaws rather than leaving it purely to the law of tenancy.1

It also sets the bar for what counts as a live problem. A health-risk framing does not obviously tolerate a persistent low-level infestation, and this journal's work on the psychological burden of infestation would suggest the health argument is stronger than the pest counts alone imply.

4. The landlord's three duties

Stated plainly in the policy.

What a landlord is generally responsible to doThe three duties set out in the provincial policyWhat a landlord is generally responsible to doThe three duties set out in the provincial policy1InvestigateLook into complaints about pests in a unit or complex.2Get rid of the pestsUsing what the policy calls commonly accepted methods.3Make repairsRepairs necessary to prevent pests entering the unit or complex.4The worked exampleFixing holes in a foundation where mice are entering.5The source of the dutyMunicipal bylaws or the Public Health Act, not the tenancy act.

A landlord is generally responsible to investigate complaints about pests in a rental unit or residential complex; to get rid of the pests using commonly accepted methods, with the policy giving as examples spraying for insects and setting traps for rodents; and to make any repairs necessary to prevent pests from getting into the unit or complex.1

4.1 The investigation duty

The first duty is worth separating because it is frequently skipped. Investigation is a distinct obligation from treatment, and a complaint that produces a treatment without an inspection has arguably satisfied the second duty and not the first.

Everything this journal has argued about diagnosis, from small fly source identification to distinguishing decay from insect damage, is an argument that investigation is where the value is. The policy puts it first.

5. The repair duty

The third duty is the one most easily overlooked and the most consequential.

The landlord is responsible to make repairs necessary to prevent pests getting in, and the worked example given is fixing holes in a foundation where mice are entering the unit.1

5.1 Why this is the strongest part of the policy

It makes exclusion a legal obligation rather than an optional upgrade. A landlord who repeatedly treats mice without closing entry points has a treatment record and an unmet repair duty, and the policy names that situation directly.

The rodent exclusion article in this journal argued that material selection and gap closure are the only durable rodent control. The policy arrives at the same place from a different direction, and an operator can cite it.

5.2 The scope question

The duty is framed as repairs necessary to prevent pests entering the unit or complex.1 That wording is building-scale rather than unit-scale, which matters for §13.

6. The tenant's four duties

The reciprocal obligations, which are more demanding than tenants generally expect.

What a tenant is generally responsible to doThe four duties set out in the same policyWhat a tenant is generally responsible to doThe four duties set out in the same policy1Keep it cleanReasonably clean and uncluttered to prevent pests multiplying.2Report itTell the landlord so it can be dealt with before it spreads.3Allow entryLet the landlord or their contractor in to exterminate.4Prepare the unitFollow instructions so the treatment can be as effective as possible.5What that involvesEmptying closets or kitchen cupboards, or moving furniture.

A tenant is generally responsible to keep the rental unit reasonably clean and uncluttered to try to prevent pests from entering the unit and multiplying; to tell the landlord about a pest problem so the landlord can deal with the problem before it spreads to other units; to allow the landlord, or someone hired by the landlord, to enter the unit to exterminate; and to follow the landlord's or exterminator's instructions on preparing for the extermination so the treatment can be as effective as possible.1

6.1 The reporting duty

The stated reason for the reporting obligation is so the landlord can deal with the problem before it spreads to other units.1

That framing treats the building rather than the unit as the object of concern, which is consistent with the attached housing article in this journal and unusual in a document about individual tenancies.

6.2 Cleanliness

The cleanliness duty is qualified as reasonably clean and uncluttered and is framed as prevention rather than as the cause of any given infestation.1

We would note, as our own view, that the association between clutter and infestation is real for some pests and weak or absent for others, and that bed bugs in particular are not a cleanliness matter. Reading this duty as an implication that an infested tenant was unclean goes beyond what the policy says.

7. Preparation as a legal obligation

The fourth tenant duty is the one that decides whether treatment works.

The policy specifies that a tenant may have to empty closets or kitchen cupboards or move furniture.1

The bed bug guidance is blunter about the burden, stating that getting ready for bed bug treatment takes time and work and that landlords should give tenants written directions on how to prepare.2

7.1 Why the written direction matters

If preparation is a legal duty, then the content of that duty has to be communicated for it to be enforceable in any practical sense. The recommendation that directions be written puts the obligation to specify on the landlord.

For an operator this suggests that the preparation sheet is a document with consequences and not merely an operational courtesy, and we would suggest it is worth drafting accordingly.

7.2 What that implies about drafting

If a tenant's duty is to follow the instructions so that the treatment can be as effective as possible,1 then the content of the instruction sets the scope of the duty. An instruction that omits a step cannot create an obligation to perform it.

We would draw the practical conclusion, flagged as ours, that a preparation sheet should state what must be done, why each item affects the outcome, what the tenant should do if they cannot manage a step, and the date and time of the appointment. The first three of those are rarely present on the sheets we have seen in circulation.

7.3 The failure this prevents

A treatment performed into an unprepared unit is the most common avoidable failure in multi-unit work, and the policy has already established that an unprepared unit can compromise the whole floor.1

So the preparation sheet is not administration attached to the job. On the policy's own logic it is part of the treatment, and the one part that is delegated to someone with no training and no stake in the method.

8. When a tenant cannot prepare

A provision that deserves more attention than it gets, because it addresses the most common real obstacle.

If a tenant is not able to do the work needed before the extermination, they should speak to their landlord, and the landlord may need to help the tenant move their belongings. If they cannot resolve it, they may ask the Branch for assistance.1

8.1 What this recognises

Preparation for a bed bug treatment is physically demanding work. A tenant who is elderly, disabled, ill or without help may be unable to perform it, and the policy does not treat inability as refusal.

The distinction between cannot and will not is the whole of §12, and the policy draws it.

8.2 The practical reading for an operator

A unit that is repeatedly unprepared is not automatically a non-cooperating tenant. It may be a tenant who required assistance that was never arranged, and we would suggest raising that with the landlord before a failed preparation becomes a cost claim.

9. Health concerns about treatment

A provision that recognises the treatment itself as a potential burden.

If a tenant is concerned about any health risks because of spraying, they should discuss their concerns with the landlord, and it may be necessary for the tenant to find another place to stay while the spraying is happening. Unresolved, it goes to the Branch.1

9.1 The unanswered question

The policy says it may be necessary for the tenant to find somewhere else to stay. It does not, in the text we have, say who pays for that.

We flag this as a gap we could not resolve from the policy text rather than asserting that no provision exists elsewhere.

10. Entry and notice

The mechanics of getting into the unit.

Landlords have the right to enter rental units to do inspections, treatment and maintenance, and must give tenants a minimum of twenty-four hours and a maximum of two weeks written notice.2

Written notice required before entry for treatmentBounds set out in the bed bug guidance for landlords and tenantsWritten notice required before entry for treatmentBounds set out in the bed bug guidance for landlords and tenantsMinimum notice1daysMaximum notice14daysA minimum of twenty-four hours and a maximum of two weeks. See reference 2.

10.1 Why there is a maximum

A minimum notice protects the tenant's privacy. A maximum prevents a notice given far in advance from serving as open-ended authorisation, and it also means preparation instructions land within a window in which they remain relevant.

For a bed bug preparation requiring substantial work, a fourteen day ceiling and a one day floor define the realistic planning window, and the floor is short relative to the effort §7 describes.12

10.2 Notice against building-scale treatment

The tension sharpens when treatment has to cover a floor or a complex, which the policy anticipates.1 Every unit needs valid notice, every unit needs preparation, and the units have to be treated close enough together that insects are not simply displaced into a neighbour.

Coordinating that across many tenancies, each with its own notice period and its own preparation capacity, is the practical reason building-scale treatment is rare even where it is the indicated approach. We offer that as our explanation rather than as a sourced finding.

10.3 The scheduling consequence

Notice given at the one day minimum leaves no room for a tenant to seek help with preparation, and the policy contemplates that some tenants will need it.1

We would suggest that for a demanding preparation, notice nearer the fourteen day ceiling serves the outcome better than the minimum does, even though the minimum is lawful.

The same reasoning applies in reverse to detection. A tenant given two weeks to clear a unit has two weeks in which to observe it, and a tenant given one day has none. Where the object of the visit is partly to establish whether an infestation exists and how far it extends, the longer notice buys information as well as preparation.

11. The bed bug guidance

The province publishes a dedicated fact sheet, and its allocation is unambiguous.

If tenants have or think they may have a problem, they should immediately tell their landlord, and once landlords have been told, it is their responsibility to make sure their units are pest-free. Tenants are responsible for cooperating with the landlord's plans.2

11.1 The phrase worth noting

The standard stated here is pest-free.2 That is an outcome standard, and it is phrased more strongly than the commonly accepted methods formulation in the general policy.

We would not read too much into a difference in wording between a fact sheet and a policy guidebook, and we note it because the two documents describe the same obligation in materially different terms.

12. Cost recovery against a tenant

What happens when a tenant will not cooperate.

If tenants refuse to cooperate and do what is required, landlords may refuse to treat the unit. If that leads to further infestation and costs, landlords may give tenants notice to end the tenancy and file a claim against the tenant for costs, with a hearing to decide whether the tenancy ends and whether the tenant is responsible.2

The general policy states the same in the specific case of re-treatment: if a landlord has to re-spray, the landlord may choose to file a claim against the tenant for the cost of the second extermination.1

12.1 The landlord may refuse to treat

That a landlord may refuse to treat an uncooperative unit2 is the sharpest provision in either document, and it sits awkwardly beside the pest-free responsibility asserted in the same fact sheet.

We read the two together as meaning the landlord's duty is conditional on the tenant's cooperation, but we are reading rather than citing, and this is exactly the kind of question that belongs with the Branch rather than with us.

13. The building-scale problem in the policy

The passage that surprised us most, because the policy states the technical problem correctly.

To get rid of insects, a landlord may need to spray an entire floor in a residential complex or possibly the whole complex. If a tenant does not co-operate by allowing entry, the treatment may not be effective. If the landlord does not spray one unit, the insects in that unit will not be killed, and these insects may eventually re-infest the rest of the floor or building once the effects of the spray wear off.1

13.1 What the policy has got right

That is an accurate statement of the reinfestation dynamic the attached housing article in this journal set out at length. A single untreated unit is a reservoir, and treatment at less than building scale fails once residual activity declines.

Few regulatory documents describe a pest control failure mode correctly. This one does.

13.2 The tension it creates

The policy therefore recognises that effective treatment may require the whole complex, while allocating the duty through individual tenancies and permitting a landlord to leave an uncooperative unit untreated.12

Those two things are consistent as law and in tension as pest control. The legal structure is unit-based and the organism is building-based.

14. What the Branch can do

The procedure when the parties cannot agree.

What happens when the parties cannot agreeThe procedure the Branch followsWhat happens when the parties cannot agreeThe procedure the Branch follows1Encourage agreementThe officer pushes both sides to share information.2Refer to healthReferral to the local Environmental Health Office.3Or order entryAn Order allowing the landlord to enter and exterminate.4Claim for costsA landlord may claim the cost of a second extermination.5The asymmetryThe named order compels entry, not treatment.

The officer first encourages the tenant and landlord to share information and to discuss the problem, to try to come to an agreement. If they cannot agree, the officer may refer the landlord or tenant to their local Environmental Health Office, or issue an Order allowing the landlord to enter the unit to exterminate the pests.1

14.1 The order that is named

The specific order described in the steps is one that permits entry. It resolves the case where a tenant is blocking access.

15. The asymmetry in remedies

Reading §14 carefully produces an observation we want to state carefully.

The procedure names an Order allowing a landlord to enter and exterminate. For the converse situation, a landlord who does not treat or treats inadequately, the step named is referral to the local Environmental Health Office.1

15.1 What we are and are not claiming

We are not claiming that a tenant has no remedy against a landlord who fails to act. The Branch hears claims, the public health route exists, and the guidebook subsection we have read is one subsection of a large document.

What we are observing is narrower: within this subsection, the enforcement tool named against a tenant is an order, and the tool named against a landlord is a referral. We flag that as an observation about one policy page, not a characterisation of Manitoba law.

15.2 Why it matters anyway

Operators read this page. Landlords read this page. A page that names a concrete order in one direction and a referral in the other shapes expectations about which failure is the serious one.

16. The standard of performance

The central argument of this paper.

Why the standard is not an efficacy standardHow the duty is defined and what it does not requireWhy the standard is not an efficacy standardHow the duty is defined and what it does not require1The wordingGet rid of pests using commonly accepted methods.2The named exampleSpraying for insects, setting traps for rodents.3Convention, not resultAccepted practice defines compliance rather than outcome.4The named pestsThe policy's own examples are cockroaches and bed bugs.5The revision dateThe policy text was last revised in May 2015.

The duty is to get rid of the pests using commonly accepted methods, and the example offered is spraying for insects.1

16.1 What kind of standard that is

A standard defined by common acceptance measures conformity to prevailing practice. A standard defined by outcome measures whether the pests are gone.

The policy language points at the first and the bed bug fact sheet language, pest-free, points at the second.12 Which governs in a given dispute is not a question we can answer.

16.2 Why a conformity standard is attractive

It is administrable. An adjudicator can establish whether a licensed contractor performed a recognised treatment far more easily than whether a building is free of bed bugs, which requires detection methods this journal has shown to be imperfect.

So the standard is not foolish. It is the kind of compromise a tribunal needs, and its cost is that conformity and efficacy can diverge.

17. What this journal has found about spraying

The divergence, stated against our own published work.

The policy's two named insects are cockroaches and bed bugs.1 Its named method for insects is spraying.1

17.1 The bed bug position

This journal has documented layered resistance in Cimex lectularius, the failure of residual deposits against a protected life stage, substrate-dependent decay of residual efficacy, and the reasons thermal and integrated approaches outperform liquid application.

A treatment consisting of spraying is, on that evidence, unlikely to achieve a pest-free outcome in a bed bug infestation, however commonly accepted it is.

17.2 The cockroach position

Likewise this journal has set out behavioural resistance in the German cockroach, the superiority of bait exploiting horizontal transfer, and the specific finding that repellent liquid application interferes with bait performance.

For cockroaches, spraying is not merely less effective than the alternative. Applied alongside bait it can reduce the effectiveness of the thing that works.

17.3 The uncomfortable conclusion

A landlord could satisfy a conformity reading of the duty by commissioning exactly the treatment least likely to resolve the problem, and a tenant who continues to be bitten would have a building that complied and an infestation that persisted.

We state this as an argument about incentives created by wording, not as a prediction about how any particular hearing would be decided.

18. The revision date

A detail that explains rather than excuses.

The policy records that it was developed in March 2004 and last revised in May 2015.1

18.1 What has happened since

Much of the resistance monitoring, the formulation and substrate work, and the behavioural resistance literature this journal has reviewed either postdates 2015 or consolidated after it.

A policy naming spraying as the exemplar method was describing ordinary practice at the time it was written. The criticism is not that its authors were careless; it is that a document setting a standard of practice does not automatically move when practice does.

18.2 The general problem

This is the same observation the registration article in this journal made about approval frameworks. Regulatory text encodes the state of knowledge on its revision date and then persists, while the organisms continue to evolve.

19. Comparison with Ontario

A short comparison, because the Ontario framing is different in structure.

Ontario addresses the matter through a general maintenance obligation. Section 20(1) of the Residential Tenancies Act, 2006 provides that a landlord is responsible for providing and maintaining a residential complex, including the rental units in it, in a good state of repair and fit for habitation and for complying with health, safety, housing and maintenance standards.7

On that basis it is treated as the landlord's responsibility to address a bed bug infestation, and paralegal commentary notes that landlords frequently ask whether costs can be passed to tenants where they believe the tenants to be the source, with the answer being that the matter is governed as maintenance.78

19.1 The remedies described

A tenant may apply to the tribunal using a maintenance application, and where successful may receive an order directing maintenance, a rent abatement, and compensation for the value of belongings discarded because of the infestation. Commentary also notes that the presence of bed bugs does not by itself make a landlord immediately responsible for a tenant's losses.8

Where tenants hinder eradication efforts, they may be liable for additional costs incurred by the landlord.9

19.2 The structural difference

Ontario routes pest control through habitability and repair, which is an outcome-flavoured standard. Manitoba's guidebook routes it through method. We are not equipped to say which produces better results, and we are not aware of any study comparing them.

20. What an operator should take from this

Investigation is a named duty, not a preliminary. It appears first in the landlord's obligations.1

Repairs to prevent entry are a named duty. The example given is foundation holes admitting mice.1

The preparation sheet is a document with legal weight. Written directions are recommended, and following them is a tenant obligation.12

Inability to prepare is not refusal. The policy contemplates the landlord helping move belongings.1

Building-scale treatment is anticipated by the policy. It states that a whole floor or complex may be needed.1

Notice runs from one day to fourteen. A demanding preparation and a one day floor are in tension.2

Do not assume compliance equals control. The method standard and the pest-free standard are worded differently.12

Requirements vary by municipality. The policy says so directly, so a practice operating outside Winnipeg should not assume the same bylaw applies.1

The health authority is an available route. The policy contemplates the Branch or the tenant contacting the municipal health authority.1

21. What we are not saying

Several claims could be read into this paper that we do not intend and do not support.

We are not saying the policy is bad. It allocates duties clearly, recognises the reinfestation dynamic correctly, distinguishes inability from refusal, and makes exclusion repairs mandatory. Those are good features and several are better than we expected.

We are not saying landlords are acting improperly. A landlord commissioning a conventional treatment is doing what the document describes.

We are not saying tenants have no remedy. Stated in §15.1.

We are not offering an opinion on any dispute. Stated in §1.

21.1 What we are saying

That a standard of performance expressed as commonly accepted methods, illustrated by spraying, does not guarantee control of the insects the same document names, and that the gap between conformity and efficacy is where a tenant continues to be bitten in a building that has complied.

22. Limitations and open questions

We have read one subsection. The pest control subsection of the policy guidebook is one page of a large document,1 and provisions elsewhere may bear on everything discussed here.

We have not read the cited legislation. Section 59 of The Residential Tenancies Act, the Winnipeg Neighbourhood Liveability By-law and section 20 of The Public Health Act are cited by the policy as its legislative basis,345 and we have referenced them as the policy's own citations rather than analysed their text.

Policy text may have changed. We record a last revision of May 2015,1 and readers should check the current version rather than rely on our description.

The Ontario material is from paralegal marketing sources. Those sources quote the statutory provision consistently with each other, but they are promotional in purpose.789

One source is a commercial property management blog. Used only for general framing.10

Sections 6.2, 8.2, 12.1, 15 and 17.3 are our reading. The cleanliness interpretation, the advice on unprepared units, the reconciliation of refusal with the pest-free duty, the remedies asymmetry and the conformity-against-efficacy argument are ours rather than statements of law.

We found no outcome data. We have no figures on how often pest disputes reach the Branch in Manitoba, how they are decided, or whether treatments ordered achieve control. That is the data that would settle most of this and we could not locate it.

Our commercial position. This company sells pest control to landlords. An argument that conventional treatment may satisfy a legal duty without resolving an infestation is an argument that some of what this industry sells to landlords is compliance rather than control.

23. Conclusion

Manitoba's framework is clearer than we expected. Landlords must investigate, get rid of pests, and repair to prevent entry. Tenants must keep the unit reasonably clean and uncluttered, report, permit entry, and prepare as instructed. The policy distinguishes a tenant who cannot prepare from one who will not, contemplates the landlord assisting, and states accurately that a single untreated unit can re-infest a floor once residual effects wear off.12

The difficulty is the standard. The duty is to get rid of pests using commonly accepted methods, illustrated by spraying for insects, in a document whose own definition of pests names cockroaches and bed bugs.1 Conformity to accepted practice and elimination of the infestation are different tests, and for those two species the evidence assembled across this journal says they come apart.

The result is a category of outcome that is nobody's fault and everybody's problem: a building that has complied, a contractor who has performed a recognised treatment, a landlord who has discharged the duty as written, and a tenant still being bitten. The law is not what is failing there. The standard the law adopted has simply aged past the organisms it names, and the remedy is not more enforcement but a better description of what getting rid of them requires.

References

  1. Residential Tenancies Branch Policy Guidebook, Section 4 Maintenance and Repairs, Sub-Section 4.7 Pest control. Province of Manitoba. Policy developed March 2004, last revised May 2015. Primary source for this paper. Used for the definition of pests as including insects like cockroaches or bed bugs and rodents like mice or rats; the statement that pest control requirements fall under municipal bylaws or The Public Health Act and may vary from one municipality to another; the three landlord responsibilities to investigate complaints, to get rid of the pests using commonly accepted methods with the examples of spraying for insects and setting traps for rodents, and to make any repairs necessary to prevent pests getting into the unit or complex with the example of fixing holes in a foundation where mice are entering; the four tenant responsibilities to keep the unit reasonably clean and uncluttered, to tell the landlord so the problem can be dealt with before it spreads to other units, to allow the landlord or someone hired by the landlord to enter to exterminate, and to follow instructions on preparing for extermination, which may involve emptying closets or kitchen cupboards or moving furniture; the provision that a tenant unable to do the work should speak to the landlord who may need to help move belongings; the provision that a tenant concerned about health risks from spraying should discuss this with the landlord and may need to find another place to stay; the statement that a landlord may need to spray an entire floor or possibly the whole complex, that treatment may not be effective if a tenant does not allow entry, that insects in an unsprayed unit will not be killed and may eventually re-infest the rest of the floor or building once the effects of the spray wear off, and that a landlord having to re-spray may file a claim against the tenant for the cost of the second extermination; the note that the Branch or tenant may contact the municipal health authority; and the procedure under which an officer encourages agreement and, failing that, may refer the parties to their local Environmental Health Office or issue an Order allowing the landlord to enter the unit to exterminate. https://www.gov.mb.ca/cca/rtb/ot/gbook/s4maintenance_pestcontrol7.html
  2. Bed Bugs: Information for Landlords and Tenants. Residential Tenancies Branch, Province of Manitoba. Fact sheet. Used for the statements that tenants who have or suspect a bed bug problem should immediately tell their landlord and that once landlords have been told it is their responsibility to make sure their units are pest-free, while tenants are responsible for cooperating with the landlord's plans; that landlords have the right to enter rental units to do inspections, treatment and maintenance and must give a minimum of twenty-four hours and a maximum of two weeks written notice; that getting ready for bed bug treatment takes time and work and that landlords should give tenants written directions on how to prepare; and that if tenants refuse to cooperate and do what is required landlords may refuse to treat the unit, and if this leads to further infestation and costs landlords may give notice to end the tenancy and file a claim against the tenant for costs, to be decided at a hearing. https://www.gov.mb.ca/cca/rtb/resource_list/bedbugslandten.pdf
  3. The Residential Tenancies Act, C.C.S.M. c. R119, section 59. Cited by the Residential Tenancies Branch pest control policy as part of its legislative basis. Referenced here as the policy's own citation; we have not analysed the statutory text. https://web2.gov.mb.ca/laws/statutes/ccsm/r119.php#59
  4. The City of Winnipeg Neighbourhood Liveability By-law No. 1/2008. Cited by the Residential Tenancies Branch pest control policy as part of its legislative basis, and relevant to the policy's statement that pest control requirements fall under municipal bylaws and may vary between municipalities. Referenced here as the policy's own citation; we have not analysed the by-law text. https://www.winnipeg.ca/CLKDMIS/DocExt/ViewDoc.asp?DocumentTypeId=1&DocId=3996&DocType=C
  5. The Public Health Act, C.C.S.M. c. P210, section 20. Cited by the Residential Tenancies Branch pest control policy as part of its legislative basis. Referenced here as the policy's own citation; we have not analysed the statutory text. https://web2.gov.mb.ca/laws/statutes/ccsm/p210e.php#20
  6. Residential Tenancies: General Information. Community Legal Education Association, Manitoba. Public legal education source. Used for the summary statement that mice, cockroaches, bedbugs and other pests can be a health risk so landlords must keep infestations under control, and that tenants also have an obligation to cooperate with landlords dealing with an infestation, for example by taking the appropriate steps to prepare. https://www.communitylegal.mb.ca/wp-content/uploads/2021/06/Residential-Tenancies.pdf
  7. Commentary on bed bug treatment and landlord maintenance duties under Ontario law, reproducing section 20(1) of the Residential Tenancies Act, 2006, S.O. 2006, Chapter 17. Paralegal services source, promotional in purpose, cited for the statutory text it reproduces and for the account that a landlord is responsible for providing and maintaining a residential complex including the rental units in it in a good state of repair and fit for habitation and for complying with health, safety, housing and maintenance standards, so that addressing a bed bug infestation is the landlord's responsibility, and that landlords frequently ask whether costs may be passed to tenants believed to be the source. https://freedlaw.ca/EN/tribunals/landlord-tenant/bed-bugs
  8. Commentary on bed bug treatment and landlord maintenance duties under Ontario law. Paralegal services source, promotional in purpose. Used for the account that a tenant may apply to the Landlord and Tenant Board using a maintenance application and, if successful, may receive an order directing the landlord to perform proper maintenance together with a rent abatement and compensation for the value of belongings discarded because of the infestation; and for the qualification that the presence of bed bugs does not by itself make the landlord immediately responsible for a tenant's losses. https://reznik.legal/EN/housing/common-concerns/bed-bugs
  9. Commentary on bed bug treatment and landlord maintenance duties under Ontario law. Paralegal services source, promotional in purpose. Used for the statement that while landlords must take timely and reasonable steps to eliminate the problem, tenants are obliged to assist by following pest control instructions and ensuring access, and that tenants who hinder eradication efforts may be liable for additional costs incurred by the landlord. https://klparalegal.com/EN/landlord-tenant/common-concerns/bed-bugs
  10. Manitoba Landlord Responsibilities: Repairs, Safety, and Notices. Commercial property management platform blog. Trade and marketing source, used only for general framing. Cited for the statements that pest control is usually included in Manitoba landlord responsibilities, especially where infestations are not caused by tenant negligence; that landlords generally must give twenty-four hours written notice before entering a rental unit unless an emergency occurs; that where pests occur due to tenant actions the tenant may be responsible for costs while the landlord must usually arrange proper treatment; and that disputes are handled by the Residential Tenancies Branch, which provides mediation and decisions. https://www.platuni.com/enterprise-resources/blog-and-insights/manitoba-landlord-responsibilities

How to cite this article

APC Exterminators Research Division (2026). Commonly Accepted Methods: What Manitoba Law Asks of a Pest Treatment in Rental Housing, and Why That Is Not an Efficacy Standard. APC Review, Regulation & Policy. Retrieved from https://apcexterminators.com/insights/manitoba-rental-pest-responsibility-commonly-accepted-methods

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