BATS can be found living in almost any conceivable shelter. Many species live in buildings and it is very common for bats to roost in attics or eaves of residential homes or commercial buildings. Bats can be very unpleasant guest in your home they are noisy, tend to have a musky odor and commonly leave droppings in their roosting location. Bats can be very unpleasant guests in your home because they are noisy, tend to have a musky odor and commonly leave droppings in their roosting location. If you are experiencing a bat problem in your home or place of business, chances are they have already established multiple entry points. Disease concerns: can carry rabies.