One of the most common early signs of cockroaches is the droppings they leave behind. People often mistake them for pepper, coffee grounds, or random kitchen debris. If you know where to look, those signs can tell you a lot about whether cockroaches are active in the space.
What roach droppings usually look like
German cockroach droppings often look like fine black pepper or dark specks. In heavier infestations, you may also notice smeared dark marks in corners, cabinet joints, and along wall edges where they travel regularly.
Where droppings are commonly found
Check under sinks, inside cabinet corners, behind the fridge, near stove gaps, around drawer tracks, and behind appliances. Those are the areas closest to roach harbourage and feeding activity.
Other signs that support the diagnosis
Egg casings, shed skins, a stale musty odour in heavier infestations, and live roaches seen at night are all major warning signs. If you see roaches in daylight, the infestation is usually more advanced.
Why signs matter more than one random sighting
A single sighting can happen for several reasons. But droppings, odour, casings, and repeated activity usually point to an established infestation, not an isolated stray insect.
If you are seeing suspicious black specks in the kitchen or bathroom, it is worth having the problem assessed properly before it grows. AstraHive Pest Control provides licensed cockroach treatment across the GTA. Call 905-925-8427 for a free consultation. Same-day service available.