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You found roaches in your apartment and the first question isn’t “which product” — it’s “whose problem is this?” It’s a fair question, because the answer decides who pays, and because getting it wrong in either direction costs you months. Here’s the honest version, plus the part most articles skip: what to do about the roaches in your kitchen tonight, while the responsibility question grinds through email.
The short answer
In most of the United States, rental housing has to meet a basic habitability standard, and a genuine cockroach infestation in a multi-unit building generally falls on the landlord to address — especially when it affects more than one unit or arrived through the building’s walls, pipes, or a neighboring apartment. Tenants, meanwhile, are generally responsible for keeping their own unit in a condition that doesn’t invite or sustain pests: sanitation, garbage handling, reporting problems promptly.
That’s the general shape. The specifics vary a lot by state, by city ordinance, and by your lease — some leases in single-family rentals shift routine pest control to the tenant, and some cities publish explicit rules about who treats what and how fast. So before you argue with anyone, do two things: read your lease’s pest-control clause, and search your city or state name plus “tenant habitability pest control.” Fifteen minutes of reading beats a month of standoff.
What landlords are generally expected to handle
Where habitability rules apply, the landlord’s side of the line usually includes: treating infestations in multi-unit buildings (because roaches travel between units through shared walls and plumbing chases, no single tenant can solve a building problem); sealing structural entry points — gaps around pipes, cracked walls, failed door sweeps; and dealing with the building-level attractants tenants can’t touch, like a leaking basement pipe or an overflowing shared bin store.
What tenants are expected to handle
Your side of the line: keep food sealed and dishes done, take garbage out regularly, report the infestation promptly and in writing, and give access for treatment when it’s scheduled. Two of those matter more than people think. Reporting in writing starts the clock on the landlord’s obligation — a hallway conversation doesn’t. And poor sanitation in your unit is the fastest way to hand a landlord an argument that the infestation is your doing, whatever the truth is.
How to report it so something actually happens
A vague complaint gets a vague response. Send your landlord or property manager a dated, written report (email is fine) with: what you’re seeing and where (“roaches in the kitchen, mostly under the sink and behind the stove, sighted nightly”); photos if you have them; when it started; and a direct request for treatment with a timeframe. Keep a copy. If you’re in a multi-unit building, say so explicitly — “given the shared walls, this likely affects neighboring units” — because that framing pushes toward the building-wide response that actually works.
Then keep a log. Sticky traps are your evidence engine here: a dated photo of a trap catch is objective in a way “I keep seeing them” never is. We walk through the full method in our sticky-trap mapping guide — the same 48 hours of trap data that tells you where the harborage is also documents the severity for your paper trail.
Why single-unit treatment often fails in apartment buildings
Here’s the frustrating physics of apartment infestations: German roaches move between units along pipe runs, cable penetrations, and shared wall voids. If the building has a roach problem and only your unit gets treated — by you or by a hired exterminator — you’ve created a briefly hostile island in a friendly sea. Roaches from the untreated units re-colonize through the same routes they used the first time. This is why habitability rules tend to put multi-unit infestations on the landlord, and it’s why your written report matters: pressure toward coordinated treatment is the single highest-leverage thing you can do. Our shared-walls containment guide covers the mechanics in detail.
Protecting your unit while the slow wheels turn
None of the above means you sit in a roach-filled kitchen waiting for a property manager’s reply. A proper defensive treatment of your own unit does two things: it knocks down the population you’re living with now, and it makes your unit the least hospitable stop in the building.
The plan is the same one we lay out in the 21-day German roach treatment plan: map with sticky traps for 48 hours, then place dense — sachets every 1-2 feet along the hot zones (cabinet hinge-lines, under-sink pipe entries, appliance bays), which for a typical one-bedroom kitchen and bathroom is 30-40 placements. Then the apartment-specific extra: perimeter placements at every shared-wall penetration — the gap around the kitchen sink pipes, the bathroom plumbing wall, the radiator or utility chases. Those are the border crossings; that’s where a defensible unit is won. Refresh at week 3-4, and keep the perimeter line in place for as long as the building remains untreated.
One tenant-specific advantage of sealed powder sachets over loose dusts and gels: no white residue on the landlord’s cabinetry, no stains to argue about at deposit time, and placements you can count in and count out when you move.
When to escalate
If you’ve reported in writing, given reasonable time, and nothing has happened: send a second written notice referencing the first, then look up your local code-enforcement or housing-inspection route — most cities have one, and an inspector’s report changes landlord math quickly. Escalation paths (rent withholding, repair-and-deduct) exist in some jurisdictions but carry real legal risk if done wrong; get local advice before going there. Meanwhile, your defended unit buys you the time to do it properly.
The three mistakes that cost tenants months
Watching this play out across rental situations, the same three errors do most of the damage. The first is reporting verbally and waiting. A month of hallway mentions establishes nothing; one dated email establishes everything, and in most jurisdictions the landlord’s obligations run from written notice, not from when the problem started. If you’ve been asking in person for weeks, your paper trail is currently zero days long — fix that today.
The second is treating your own unit with repellents while waiting for the landlord. It feels proactive; it’s counterproductive twice over. Sprays scatter roaches into wall voids and neighboring rooms, making the infestation harder to map and treat, and a unit that reeks of spray at inspection time muddies the question of what’s actually going on. If the landlord does send a professional, repellent-soaked hot zones can undermine the bait placements they’ll want to make. Non-repellent placements — stations, sachets — defend your unit without sabotaging the coordinated treatment you’re pushing for.
The third is stopping your defense the moment the landlord acts. One professional visit to your unit, or even a building-wide treatment round, is the beginning of a solution, not the end. Egg cases hatch on their own schedule, neighboring units get treated unevenly, and the weeks after a building treatment are exactly when scattered roaches go looking for a quieter address — potentially yours. Keep your perimeter placements at the shared-wall penetrations live through the whole building cycle and for a few weeks after, and keep running your monthly sticky-trap spot checks. The tenants who stay clear in a troubled building are consistently the ones whose defense outlasts the building’s attention span.
One more note for anyone about to move out over this: document the infestation and your reports anyway. A clean written record protects your deposit against any suggestion the problem was your housekeeping, and if the dispute escalates, dated photos and trap logs are what tip it.
Treating an active infestation? One box treats one room, once. The 3-Box Kit — $120 (150 sachets, save $59.97) covers a full apartment through the complete 3-4 week treatment cycle; a $47 single box (50 sachets) covers a single-room problem. Ships within 1 business day, typical delivery 6-10 days · Free tracked shipping · 30-day money-back guarantee.
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