House Mouse


Actual Size: 5” to 8” long including the tail

Characteristics: Light brown to gray to nearly black. Large ears compared to the body.

Habitat: Outside, they build nests near trees. Inside, they inhabit wall voids, cabinets, and garages.


  • Signs of house mice include droppings, gnaw marks, and an unpleasant odor.
  • House mice reproduce quickly and they are most active at night.
  • They gain access through dime-sized holes, and beneath exterior doors.

House Mice in Eastern Tennessee

House mice are one of the most common household rodent problems for property owners. These small mice prefer to move along baseboards and counter-tops, marking their territory with urine and feces, and typically build their nests close to a food source, which could be in your home. Their droppings are small and brown, about the size of a sesame seed. Because they breed quickly, it’s possible for your home to be completely infested before you even notice their presence. They contaminate food meant for humans and pets as they forage, dropping feces and urine along the way.  House mice cause considerable damage to structures by chewing through walls and transmit pathogens that cause diseases like salmonella, a form of food poisoning.

House Mouse Habitat

House mice depend on human activity, which is why they so frequently infest homes, restaurants, and more. Indoors, mice will build nests in quiet undisturbed places like wall voids, kitchen cabinets, attics, and garages. Droppings, fresh gnaw marks, and tracks or rub marks indicate areas where mice are active. Nests are made from finely shredded paper or other fibrous material, usually in sheltered locations. House mice have a characteristic musky odor that often reveals their presence. Mice are active mostly at night, but they can be seen occasionally during daylight hours.

House Mouse Behaviors & Dangers

The house mouse is omnivorous but prefers grains and cereals. House mice contaminate food and are implicated in the transmission of diseases such as salmonella and bubonic plague. The house mouse can cause significant damage to structures by gnawing and tunneling through walls. Mice have also been implicated in the generation of fires and explosions in homes and buildings. Chewed, exposed wires inside walls can spark, causing interior walls to catch fire.

Due to the risk of house mouse behavior in your Sevierville area home, removal should be performed by a licensed rodent control company.