Sharing your home with unwanted guests like rodents is no one’s idea of comfort. These small pests can create significant problems, from structural damage to health risks. The good news? Identifying a rodent infestation early can help you take swift action before the problem escalates.
This guide outlines the most common signs of a rodent infestation, so you’ll know exactly what to look for and how to address the issue professionally and effectively.
1. Droppings: A Clear Warning Sign
One of the most obvious signs of a rodent infestation is the presence of droppings. These small, pellet-shaped feces are typically found near food sources, inside cabinets, or along walls. Mice droppings are smaller, around 1/4 inch in length, while rat droppings are larger, closer to 1/2 inch.
What to Do:
- Always wear gloves when cleaning droppings to prevent exposure to harmful bacteria.
- Use disinfectants to thoroughly sanitize the area.
2. Gnaw Marks on Wires, Furniture, and Walls
Rodents constantly gnaw to keep their teeth from growing too long. This habit often leaves behind visible damage on furniture, baseboards, and even electrical wiring.
Why It’s a Concern:
Gnawed wires can cause electrical malfunctions or even fires, making this a serious safety issue.
What to Do:
- Regularly inspect hidden areas like attics and basements for signs of gnawing.
- Repair damaged wires promptly to prevent further risks.

3. Unusual Noises at Night
Rodents are nocturnal creatures, meaning they’re most active after dark. If you hear scratching, squeaking, or scurrying sounds, especially in your walls, attic, or ceiling, it’s a strong indicator of rodent activity.
What to Do:
- Track where the noises are coming from to locate potential nests.
- Consider setting traps or consulting a pest control professional.
4. Nests Made of Shredded Materials
Rodents often create nests using shredded paper, fabric, or insulation. These nests are usually hidden in dark, secluded areas like behind appliances, in attics, or within wall cavities.
What to Do:
- Remove nests carefully, using gloves to protect yourself from potential contaminants.
- Dispose of the materials in a sealed bag and sanitize the area thoroughly.
5. Smudges and Grease Marks Along Walls
As rodents move through your home, their bodies can leave behind grease marks or smudges on walls and floors. These marks often appear in narrow spaces or along their regular paths.
How to Spot Them:
- Look for dark, oily streaks along baseboards or around entry points.
What to Do:
- Seal gaps and cracks where rodents may be entering your home.
- Clean affected areas with a strong household cleaner.
6. Persistent Foul Odors
A lingering, unpleasant smell in your home could signal a rodent infestation. Rodents often leave behind urine, droppings, or even decomposing bodies, which can create a distinct, musky odor.
What to Do:
- Investigate the source of the smell and address it promptly.
- Use deodorizers or air purifiers, but ensure the underlying issue is resolved.
7. Unexplained Food Damage
Rodents are notorious for raiding pantries and gnawing through food packaging. If you notice chewed boxes, scattered crumbs, or missing food, it’s a clear sign they’ve found their way inside.
What to Do:
- Store food in airtight, rodent-proof containers.
- Clean your pantry and kitchen regularly to remove food debris.

8. Tracks and Footprints in Dusty Areas
If you have dusty surfaces in areas like the attic or basement, you may notice tiny footprints or tail marks. These can be a subtle but telling sign of rodent activity.
How to Spot Them:
- Sprinkle a small amount of flour in suspected areas to reveal fresh tracks.
What to Do:
- Use traps or monitoring devices to confirm rodent presence and activity.
9. Increased Outdoor Rodent Activity
If you’re noticing burrows near your foundation or gnaw marks on outdoor structures like garbage bins, it could indicate that rodents are nearby and may soon seek entry into your home.
What to Do:
- Keep your yard clean and remove debris that could provide shelter for rodents.
- Trim bushes and tree branches that may serve as pathways to your home.
10. Visible Rodents in Your Home
Seeing a mouse or rat in your home is the most direct sign of an infestation. If you spot one, it’s safe to assume there are more hiding, as rodents reproduce quickly.
What to Do:
- Take immediate action by setting traps or contacting a pest control professional.
- Don’t delay—early intervention can prevent the problem from escalating.
How to Prevent Future Infestations
Preventing a rodent infestation is easier than dealing with one after it starts. Here are some effective prevention strategies:
- Seal Entry Points: Use steel wool or caulk to close any gaps or cracks in your home’s exterior.
- Store Food Securely: Keep all food in airtight containers and clean up spills promptly.
- Declutter Your Home: Rodents thrive in cluttered spaces. Keep your home organized and clean.
- Monitor Regularly: Perform regular inspections for signs of infestation, especially during seasonal changes.
- Partner with Professionals: Schedule routine inspections and maintenance with a trusted pest control service.
Trust Genuine Pest Control to Keep Your Home Rodent-Free
Rodents may be small, but the impact of their presence is anything but minor. From health concerns to property damage, a rodent infestation can disrupt your home in many ways. By staying alert to the signs outlined above and taking proactive steps, you can protect your home and family.
At Genuine Pest Control, we specialize in identifying and eliminating rodent infestations quickly and effectively. Our team is trained to handle infestations of all sizes, ensuring your home remains safe and pest-free.
If you suspect a rodent problem, don’t wait—reach out to Genuine Pest Control for expert assistance. Together, we can make your home a safe and comfortable space once again.