Where do fleas live in the house?

Question: Where do fleas live in the house?

Answer: Adult fleas are usually brought inside by pets that have adult fleas in their fur. Once inside the house, fleas can reproduce and create more fleas that infest your home. Adults prefer to hide in the pet’s fur and will remain there unless groomed from the pet or otherwise dislodged.

Fleas go through 4 life stages: egg, larva, pupa and adults. Fleas that are seen inside a house are adults since eggs, larvae and pupae are very small, relatively immobile and generally located in hidden places inside the house.