Indoors you’ll find them in sewer drains, basements and crawl spaces or on the lower floors, especially in bathrooms and drains. You may also see them near leaky water pipes and under sinks, refrigerators, washing machines and floors.
How do I find out where roaches are coming from?
To find out where the cockroaches are nesting, you can use lights to get a general idea. Flipping the lights on and off in a dark room and observing where the creatures run will let you know where the nest location is. You can use a flashlight or your phone flashlight to look under furniture and other areas of clutter.
How do I get rid of roaches permanently?
Boric acid is one of the best home remedies for roaches if you are keen on taking the DIY approach. Mix equal amounts of boric acid, flour, and sugar to make a dough. Set balls of dough around the home where cockroaches can feed on it. The flour and sugar will attract the roaches while the boric acid will kill them.