October 2, 2025

Identifying Signs of Rodent Infestation

Rodents are sneaky and highly adaptable. Spotting a single mouse or rat usually means more are nearby and your home or business provides the food, water, or shelter they need to survive and perhaps even thrive. Beyond being a nuisance, rodents can chew through wiring, damage insulation, contaminate food, and even spread diseases such as salmonella. 

What’s more, rodents don’t take the seasons off. In the winter, they head indoors for warmth; in the summer, they’re after food and shelter. The sooner you spot the signs, the faster you can stop the problem.

rodent droppings in garage

Common Signs of Rodents

Rodent Droppings

One of the clearest indicators of a rodent problem is droppings. Rodents leave small, dark pellets in hidden areas such as cupboards, under sinks, behind appliances, and near food sources. Even a few droppings can indicate a larger problem. Droppings carry bacteria that can contaminate surfaces and food, so spotting them early allows you to act before health risks increase.

Chew Marks

Rodents constantly gnaw to keep their teeth short, often resulting in damaged packaging, food containers, stored belongings, building materials, and electrical wires in walls. Inspect food storage areas, the kitchen, attic, and other rodent hotspots for shredded packaging, fabrics, and other materials. Also, look for bite marks. In commercial settings, signs of gnawing around stock or shipping boxes may indicate rodents are compromising inventory and creating potential contamination risks.

Unusual Smells

Rodents leave urine trails and droppings that can create strong, unpleasant odors. Musty or ammonia-like smells often appear in hidden areas like basements, attics, and storage closets. 

Dead rodents often produce an unpleasant scent as they decompose. Recognizing these odors early can help you locate the source before the problem escalates.

Nesting Materials

Rodents like to stay out of sight, so they’ll build nests in tucked-away places such as attics, crawl spaces, behind walls, or inside stored boxes. They commonly use whatever soft materials they find, including paper, insulation, or fabric scraps. In businesses, nests often turn up in storage areas or spots that aren’t checked frequently.

Noises

Scratching, scurrying, or squeaking, especially at night, can indicate rodent activity inside walls, ceilings, or under floors. 

Preventing Rodent Infestations in Homes and Businesses

Taking steps to make your property less appealing to rodents is the most effective way to avoid infestations:

These prevention steps work for both homes and businesses. For commercial properties, it’s especially important to monitor kitchens, stockrooms, and loading areas, as these spaces tend to attract rodents the most.

Professional Pest Control for Mice and Rats

While preventive measures can help, infestations often require expert intervention. If you notice droppings, chewed packaging, unusual odors, or hear noises, contacting a pest control professional is the best way to resolve rodent issues. 

At The Pied Piper, we offer expert pest control services for mice, rats, and other pests that take over homes and businesses in our service area. Our highly trained and fully licensed pest control pros will: 

Protect your property today. Contact Pied Piper Pest Control to safeguard your home or business from rodents.

This blog was originally published on December 12, 2017; it has been updated to reflect the most up-to-date information. 

pest control pro inspecting a home's interior

Piper Shield Plan

General Pest Control

For homeowners facing year-round pest problems, The Pied Piper offers a reliable pest control plan that keeps your home and loved ones protected from common pests. We begin with a thorough initial treatment to eliminate current infestations, then provide ongoing services to ensure pests stay out for good!

  • Ongoing Preventative Services
  • No Less Than Three Services Per Year
  • Covers 20+ Pests
  • Exterior Pest Treatments
  • Interior Treatments, If Necessary
  • Cobweb Removal
  • Wasp Nest Removal
Starting at:
$39/mo *
*Pricing does not include the initial fee.

Additional Program Details

Pests Covered: Ants, Beetles, Centipedes, Cockroaches, Crickets, Earwigs, Fleas (interior only), Mahogany Wasps, Mice, Millipedes, Mud Daubers, Pill Bugs, Rats, Scorpions, Silverfish, Spiders, Ticks (interior only), Yellow Jackets

What The Pied Piper Customers Are Saying

texas customer of pied piper

A couple of weeks ago I noticed we had a really bad mosquito problem in the back porch. We shopped around and looked at other companies pricing and I will say. The Pied Piper not only has the best pricing, but their professionalism is amazing and took care of the situation very quickly. Highly recommend.

Kevin T.

Azle, TX

commercial pest control customer

Pied Piper does a very thorough job. I own a local restaurant and they keep the place pest free. If any bugs break through, they are there in a heartbeat to take care of it.

Chuck K.

Eufaula, OK

the pied piper of oklahoma pest control customer

Always prompt to respond and very helpful when pest problems arise! They even came same day to set traps when I had a mouse and returned to remove the mouse after it was caught. Very pleased!

Hannah G.

Eufaula, OK

happy customers of termio pest control
Get In Touch

Our Services

Pests can create stress and damage your property, but The Pied Piper is here to provide reliable solutions. We tailor our services to meet your specific needs. To find out how we can help you, choose a service below.

Helpful Tips & Info

The Pied Piper Blog