The answer to 'why is my carpenter ant nests' is that carpenter ants are a common household pest that can cause significant structural damage to your home if left untreated. Carpenter ants are attracted to moist, decaying wood and will build their nests inside the walls, floors, and other wooden structures of your home.
Some common signs of a carpenter ant infestation include seeing large black ants, finding piles of sawdust or wood shavings, and hearing rustling or clicking sounds within your walls. If you suspect you have a carpenter ant problem, it's important to take action quickly to prevent further damage to your home.