Second as the most common nuisance animal the raccoon can be the most dangerous. Raccoons may live up to twelve years and reach weights to 30 pounds. They can be very aggressive if unafraid of humans and cause serious injuries to humans and pets with their large teeth.
Raccoons like squirrels can cause fire hazards in attics due to gnawing on electrical wires. Their scat and urine can carry diseases dangerous to humans and pets. Damage to insulation, vents, and sheetrock can be of concern to the homeowner. Baby raccoons falling into walls and becoming trapped and dying can create a very expensive to homeowners in trying to remove the carcass.
Raccoons being nocturnal do most of their damage outside the dwelling during the night. They are very smart and often raid pet food dishes for a quick and easy meal. Raccoons will often ravage through garbage cans for their next meal, scattering trash everywhere. Raccoons can also damage landscape and lawns as they dig for worms and grubs. Damage to nesting birds or poultry can be devastating and they will often raid birdhouses in search for eggs or young.
Most concerning for homeowners is that raccoons are vectors to carrying rabies.