How the responsibility layers work together
In BC rental housing, pest prevention is a shared responsibility — but the responsibilities are not equal and are defined by law. RTA Section 32 makes the landlord responsible for maintaining the property to health and safety standards, which includes pest management when structural conditions or building-wide pressure are the cause. RTA Section 35 makes tenants responsible for maintaining the unit in reasonable cleanliness and not causing or permitting damage. The practical division: tenants can prevent infestations that would start with their hygiene and behavior; landlords must address infestations that start with building condition, entry points, or migration from other units. Both parties working at their respective layer prevents the majority of Metro Vancouver rental pest issues.
Tenant-scope prevention: the full checklist
- Food storage: all dry goods (flour, grains, cereal, pasta, pet food) in sealed hard containers. Cardboard boxes and plastic bags are not mouse-proof or cockroach-proof. A Rubbermaid or glass container costs $5 and eliminates a major attractant.
- Counters and dishes: no overnight food on counters. Wash dishes within a few hours of use; a pile of food-residue dishes overnight is a cockroach and fly resource. Don't leave the sponge in standing water.
- Garbage: empty kitchen garbage daily or use a sealed-lid bin. Bags of garbage sitting overnight in the unit overnight attract pests. Never store recycling (especially food-residue cans or bottles) in the unit for more than a few days.
- Pet food: seal between meals. Don't leave bowls of dry food out overnight. Feed on a schedule and remove bowl when the pet is done.
- Clutter: reduce cardboard box accumulation in storage areas and under beds. Cardboard is cockroach harborage. Paper grocery bags folded and stacked in a corner are a cockroach nest waiting to develop.
- Moisture: run bathroom fan during showers and for 20 minutes after. Drain flies breed in bio-film in slow-moving drains — use a bio-enzyme drain cleaner monthly. Fix any dripping faucets or pipes promptly and report them to the landlord (moisture is a pest attractant and landlord-scope repair).
- Secondhand items: inspect used furniture and clothing before bringing into the unit. Bed bugs are the primary concern with upholstered furniture; mattresses from curbside pickup or unknown sources should be treated before entering the home.
- Report early: the moment you see any pest sign (single mouse dropping, one cockroach, unexplained bites), report it in writing to your landlord. Early-stage infestations are dramatically easier to resolve than established ones.
Landlord-scope work to request
- Structural sealing: foundation cracks, soffit gaps, dryer vent dampers, door-bottom sweeps, utility penetrations. Request in writing when you first notice signs or at tenancy start if the building is older.
- Annual rodent exclusion check before tenancy turnover — particularly important in pre-war character homes and 1950s–1970s rentals.
- Quarterly preventive pest service in buildings with historical pressure — this is standard in well-managed Metro Vancouver rental stock.
- Building-wide treatment when pests span multiple units — request this specifically if you know neighbours have the same issue.
- Crawlspace and attic moisture management — damp crawlspaces are the root cause of many ground-floor pest issues.
- Garbage and recycling room maintenance — clean, pest-treated garbage enclosures are the landlord's obligation in multi-unit buildings.
Seasonal prevention calendar
Metro Vancouver's pest pressure shifts seasonally, and tenant prevention efforts should shift with it. In late summer and fall (August–November), rodents begin seeking shelter as outdoor temperatures drop — this is the highest-risk period for new mouse and rat entry. Heighten food-storage discipline and report any early signs immediately. In spring (March–May), ant populations emerge and scout for food sources — seal all food, report ant trails immediately, and request that the landlord treat any exterior ant colonies near the foundation. Year-round in multi-unit buildings: bed bug and cockroach vigilance is constant because building-wide populations don't have seasonal cycles the way exterior pests do.
When tenant-side prevention isn't enough
If you're doing everything right — clean unit, sealed food, prompt reporting — and still have recurring pest issues, the cause is almost certainly structural or building-wide. At that point, the landlord's obligation to address the root cause (structural exclusion, building-wide treatment) becomes the operative issue. Document your prevention efforts in writing to your landlord: 'I have sealed all food, maintain regular cleaning, and am reporting this issue again for the third time — the cause appears to be structural.' This documentation establishes that tenant fault cannot be claimed and shifts the burden squarely to the landlord. See [who pays for pest control: renter or landlord in BC](/guide/who-pays-pest-control-renter-or-landlord-bc) for the full RTA framework.
