One of the first signs of cockroaches in the home is feces left behind. Known to eat anything in sight, cockroaches defecate ...

How to tell if you have cockroaches The most obvious sign that cockroaches are in your home is if you see one, Hayes said. But if you don’t see them, there could be other signs — like poop.

How to tell if you have cockroaches The most obvious sign that cockroaches are in your home is if you see one, Hayes said. But if you don’t see them, there could be other signs — like poop.

Droppings: Cockroach feces may look like coffee grounds, black pepper or small cylinders, depending on the size of the roach. More droppings often indicate a larger or longer-lasting infestation.