Home Garden
How to identify the signs of a rodent infestation
Content updated: July 24, 2026
Key takeaways
- Common signs of a rodent infestation include droppings, gnaw marks, scratching sounds, nests, unusual odors, and rodent sightings.
- Easily accessible food, shelter, and small entry points are common factors that can cause a rodent infestation.
- A mouse or rat infestation can grow quickly because rodents reproduce rapidly once they enter a home.
- Sealing entry points, storing food in sealed containers, removing nesting sites, and keeping trash away from your home can help prevent rodents.
- Professional rodent control provides a more comprehensive solution than DIY methods for eliminating an infestation and helping prevent it from returning.
Jump to section:
What causes a rodent infestation?
How to clean up and get rid of an infestation
Preventing future infestations
Recognizing the early signs of a rodent infestation can help you take action before rats or mice cause more damage to your home. Rodents can contaminate food, damage property, and reproduce quickly once they get indoors. Learn the signs of a rodent infestation, what causes a rodent infestation, and how to help prevent future infestations.
Signs of a rodent infestation
Rodents often seek out warm, hidden areas in your home, like the garage, attics, basements, and behind walls, kitchen cabinets, or even appliances. Spotting a mouse or rat infestation early can help prevent severe damage and health issues. Here are some key signs that you may have rats and mice in your home:
- Droppings near food sources or nesting areas
- Gnaw marks on furniture, wires, or food packaging
- Unusual pet behavior or agitation
- Scratching sounds from within walls or ceilings at night
- Nesting materials like shredded paper or fabric found in hidden areas
- Foul odors stemming from hidden or hard-to-reach areas
- Sightings of live or dead rodents in your home
If you notice signs of a mouse or rat infestation in your house, it's crucial to immediately call a pest control professional, like Terminix, to address the problem.
What causes a rodent infestation?
Rodents are attracted by easily accessible food scraps, pet food, and even garbage, which can all be factors that cause a rat or mouse infestation in homes. Tiny openings in the home's exterior, such as gaps in windows or doors, cracks in the foundation, or spaces around pipes, are enough for them to squeeze through due to their flexible skeletons. Once inside, they can breed rapidly, with mice producing five to seven offspring every three weeks and rats around six to eight. This rapid reproduction can quickly lead to a full-blown mouse or rat infestation, making it essential to promptly address any signs of rodent activity.
How to clean up and get rid of an infestation
If you're facing a mouse or rat infestation in your house, immediate action is crucial to prevent the growth of the population of rats and mice and minimize the health risks and damage they cause. The first step is eliminating food sources, sealing entry points, and setting traps. However, these methods can only provide temporary relief. For a comprehensive and lasting solution, professional rodent control services are the best option.
With Terminix, you're not just getting rid of a rodent infestation; you're protecting your home and family from the dangers associated with these pests. Get started with an inspection!
Preventing future infestations
The best way to tackle a mouse or rat infestation is by preventing these pests from entering your home in the first place. Here are some preventive measures you can take to keep your home protected:
- Seal up holes inside and outside the home to prevent entry.
- Keep your kitchen clean and store food in sealed containers.
- Dispose of garbage regularly with a securely fitted lid.
- Remove potential rodent nesting sites by keeping yards and gardens clean and tidy.
- Keep trash cans as far away from the house as possible.
Regular inspections and treatments by professional pest control can help ensure that rodents don't find your home. Schedule a rodent inspection to start protecting your home from rats and mice!
