How to Identify the Early Signs of a Rodent Infestation

When it comes to protecting your home, early detection is everything. Rodents like mice and rats are quick to reproduce, excellent at hiding, and capable of causing significant damage before you ever see one in person. As a trusted, local company, ProGuard Pest Control helps homeowners spot the warning signs early so problems don’t spiral into costly repairs or safety concerns. Here’s what to look for.

1. Droppings in Hidden Areas

One of the earliest—and most common—signs of rodent activity is the presence of droppings.They’re typically found:

• Under sinks

• In kitchen cabinets

• Along baseboards

• Near food storage areas

Fresh droppings are dark and moist; older ones look gray and crumbly. If you’re seeing them consistently, you likely have active rodents in the home.

2. Gnaw Marks and Chewed Materials

Rodents constantly gnaw to keep their teeth short. Look for:

• Chewed food packaging

• Holes in walls or floors

• Damaged insulation

• Frayed wires (a dangerous fire hazard)

Finding shredded paper or fabric may also indicate rodents gathering nesting materials.

3. Strange Sounds—Especially at Night

Scratching, scurrying, or squeaking coming from walls, ceilings, or attic spaces often signals rodent movement. Since rodents are most active at night, unusual noises after dark are a major red flag.

4. Grease or Rub Marks Along Walls

As rodents travel the same paths repeatedly, the oils from their fur can leave dark, greasy smudges on walls, baseboards, or pipes. These tracks often mark their regular travel routes.

5. Nesting Sites

Rodents build nests from soft, shredded materials like paper, fabric, insulation, or cardboard. If you discover these piles in attics, basements, or storage areas, you’re likely dealing with rodents.

6. Unusual Pet Behavior

Dogs and cats often sense rodents before humans do. If your pet is fixated on a certain wall, cabinet, or appliance, that’s worth investigating.

7. Foul or Musty Odors

A strong, musty smell—especially in enclosed areas—can indicate rodent urine. A stronger, sour odor may signal a dead rodent hidden within walls or crawlspaces.

When to Call a Professional

Even spotting just one of these signs can mean it’s time to take action. Rodents reproduce fast and quickly spread through a home, making early intervention essential.

At ProGuard Pest Control, your local exterminator, we use safe, effective methods to eliminate rodent infestations and keep your home protected long-term. If you suspect rodent activity, don’t wait—contact us today for a thorough inspection and tailored treatment plan.