Squirrels can absolutely live in attics and this is quite common in cities and suburbs where there are many squirrels outside. Squirrels are resourceful creatures that will exploit any weaknesses they find on the roof to get indoors. An invasion into the attic however should certainly be avoided because squirrels carry diseases and risk causing serious damage. Squirrels have been known to chew on electrical wires, causing power outages and even fire. They will also create a mess of feces and urine within the insulation of the attic. Squirrels are omnivorous rodents that feed primarily on seeds, nuts, buds, and berries. As rodents, they have teeth that never stop growing,…