See our resources to detect and prevent rats.
Rats can be a problem
- Rats eat and contaminate food
- Rats damage buildings and other property by their gnawing and burrowing behavior
Rats can spread diseases to people and pets:
- Murine typhus
- Rat bite fever
- Other diseases
Signs of infestation
- Droppings that are about 3/4-inch long and 1/8 inch in diameter throughout building
- Urine staining (use black light for better visibility)
- Gnawed doorways and/or food packaging (look for spilled foods)
- Rat tracks in areas with heavy debris, dust, or mud
- Rub marks on walls in heavily traveled areas
- Burrows are usually found in earth banks, along walls, under rubbish and outdoor buildings
- Musty, pungent odor
- Sounds at night such as a scratching, gnawing, and fighting
- Seal all holes or gaps with areas larger than 1/2 inch on outside buildings
- Maintain outdoor areas clean and free of clutter
- Keep lids to disposal bins closed
- Keep bushes and shrubbery trimmed
- Know how to spot the signs of rat activity and monitor any troublesome areas.
- Maintain areas free of food debris.
- Remove cardboard and clutter from rooms.
- Seal all electrical conduits, heating ducts, pipes, and pipe chases.
- Install door sweeps and other devices to seal any holes or cracks leading to outside.
- Provide routine maintenance and spot checks to all areas of building to prevent rats getting in.
- Work with pest control company to determine a regular schedule that fits your building needs.
Call a professional extermination company if you suspect there are rats within your facility.
Watch for an increase in rat activity as seasons change.
More about rats
- Eat any type of food, but prefer high-quality foods such as meat and fresh grain
- Are primarily active at night
- Have poor eyesight, but keen sense of taste, hearing and smell
- Can enter structures by gnawing, climbing and jumping
- Can swim through sewers and enter buildings through toilets or broken drainpipes
- Can enter opening larger than 1/2 inch across
Interesting rat facts
- Rats constantly explore and learn about their environment
- Rats memorize the locations of pathways, obstacles, food, water, shelter and other elements in their area
- Rats can quickly detect and tend to avoid new objects placed in a familiar environment
You can report an unsanitary hotel, motel or other type of lodging in the city.