Harlem's housing stock is dominated by pre-war apartment buildings, historic brownstones and walk-ups — handsome buildings with deep baseboard gaps and shared wall voids that let an infestation travel between units far more easily than a modern building's sealed construction allows. Brownstone conversions, in particular, are especially prone to bed bug spread through shared walls and hallways, which is why we treat the building context, not just the room where you found bites.
That shared-wall reality is also why bed bugs in Harlem so rarely stay contained to one apartment. We map every mattress seam, headboard crack, and baseboard gap in your unit, and where the building layout points to a brownstone conversion or a walk-up with common hallways, we recommend the adjacent units get checked at the same time — treating one apartment in isolation is a delay, not a fix, when the infestation already has a path next door.
NYC's Bed Bug Disclosure Law (Local Law 69 / Admin Code §27-2018.1) requires landlords to disclose a unit's bed bug history — and that of adjacent units — to incoming tenants, and to investigate and remediate within a set window of notice. A documented treatment record from us is what satisfies that obligation if you're a Harlem landlord, or what you should ask for if you're a tenant being handed a disclosure form near Striver's Row, 125th Street, or anywhere else in the neighbourhood.
What should New Yorkers know before booking bed bug treatment?
New York City requires building owners to disclose a unit's bed bug infestation history to incoming tenants and to file an annual bedbug report — so documented, professional treatment protects tenants and owners alike. (NYC Housing Preservation & Development)
Heat kills bed bugs at every life stage: the US EPA notes steam must reach at least 130°F (54°C) to be effective — the same lethal-temperature principle professional whole-room heat treatments rely on, which is why they can clear an infestation eggs included in a single visit. (US EPA — bed bug control)
The common bed bug (Cimex lectularius) spreads through shared walls, second-hand furniture and luggage rather than dirt or poor hygiene — which is why infestations in well-kept NYC apartments are routine, and why treating a single room rarely ends a building-level problem. (Cimex lectularius — Wikipedia)
Heat treatment vs conventional insecticide — which is right for your apartment?
| Whole-room heat | Conventional insecticide | |
|---|---|---|
| Kills eggs on first visit | Yes — heat is lethal to all life stages | No — follow-up visits target newly hatched bugs |
| Typical visits required | Usually one full-day treatment | Two to three visits, 10–14 days apart |
| Preparation burden | Heat-sensitive items removed; most belongings stay | Laundering, bagging and decluttering required |
| Best suited to | Heavy or building-spread infestations | Light, early-caught infestations |
| Residual protection | None once the room cools | Residual products keep working between visits |
Signs you have a bed bug control problem
- Itchy bites in a line or cluster after sleeping
- Rust-coloured spots on sheets, mattress seams, or the headboard
- Live bugs in mattress seams, box spring joints, or the deep baseboard gaps common in Harlem's pre-war buildings
- Small pale eggs or shed skins tucked into baseboard cracks or wall-void openings
- Bites or activity starting shortly after a neighbouring unit in your building reported an infestation
Why Harlem sees this
Harlem's pre-war apartment buildings, brownstones and walk-ups have deep baseboard gaps and shared wall voids that let bed bugs travel between units more easily than in newer, sealed construction.
Brownstone conversions specifically are prone to bed bug spread through shared walls and hallways — a factor we build into every inspection in this neighbourhood.
NYC Admin Code §27-2018.1 (Local Law 69) requires landlords to disclose a unit's and adjacent units' prior-year bed bug history at lease signing and to remediate within the legal window — our documented treatment record is what satisfies that requirement.