Why are cockroaches so common in two-family and apartment buildings?
Roaches move between units along shared walls, pipes and ducts, so a problem in one apartment is rarely only that apartment's. Older multi-unit buildings often have gaps around plumbing that give roaches an easy path. Treating one unit alone often fails because the roaches simply move.
Much of Euclid is mid-twentieth-century housing, and two-family houses and apartment buildings are likely to be part of the mix. Buildings like these share pipe chases, walls and sometimes basements, and roaches use those routes to travel. A kitchen that is spotless can still get visitors from next door.
The practical advice is to tell the building owner or manager as soon as you see roaches, so treatment can be arranged across units. Who is responsible for pest work in a rental depends on your lease and local rules, which this page does not cover.
What attracts cockroaches in a clean kitchen?
Water is often the draw: a slow drip, a damp sponge or condensation. Crumbs under a toaster, grease behind a stove and open pet food add to it. A tidy kitchen reduces the problem but cannot remove it when the roaches arrive from a neighbouring unit or a shared wall.
Roaches need very little. A film of grease on the back of a stove is enough to feed them, and a closed cabinet under a sink gives them warmth, darkness and a leaking trap for water. Check the area under the sink first when you see a roach.
Cardboard boxes, paper bags and stacked newspaper also give them hiding places and, in the case of corrugated cardboard, a place to lay eggs. Moving to plastic bins and taking cardboard out of the kitchen helps.
Do cockroaches only come in warm months?
No. In a cold-winter region they are an indoor pest, and heated kitchens, basements and boiler rooms keep them going through the winter. Seasonal swings matter less than the building. Mice and bed bugs also stay active indoors in cold weather, so a winter sighting should still be looked at.
Outdoors, some larger roach species can spend warm months around drains, sewers and outbuildings, then move in when conditions change. Smaller roaches that live in kitchens stay indoors all the time, which is why they travel in boxes and bags from one home to another.
If you see a large roach on a basement floor, it may be a different kind from the small one in the kitchen. A technician identifies each kind, because they live in different places and are treated differently.
Can I get rid of cockroaches without a professional?
You can reduce a small, new problem with sealed food, fixed leaks, clean surfaces and store-bought bait. A large or repeated infestation usually needs inspection and professional-grade baits, and spraying a household spray often scatters roaches into other rooms instead.
Do the cleaning and the fixing first. Pest products work best when there is less food and water to compete with them. A bait placed next to a dripping pipe loses to the drip.
If roaches return after a few weeks, or if you see them in daylight, the population is probably larger than you can reach on your own. At that point it saves time to call. See the general pest control page for how recurring plans work.