Sign-in to Account
Call Us

(855) 948-5816

aptive_pest_control_lockup-white

Find Service Area

5 Signs You Might Have a Rodent Problem in Your Home

Written by Aptive Pest Control August 27, 2024

Sharing your home with furry friends can be delightful, but when those friends are uninvited mice or rats, the situation goes from charming to a real rodent problem.

Rodents can cause significant damage to your property, contaminate food and surfaces with bacteria, and even trigger allergies and asthma. The good news? There are telltale signs that will alert you to a potential rodent problem.

Let’s explore five key signs of mice in your house and what steps you can take to address the issue.

1. Rodent Droppings

Perhaps the most common sign of rats or mice is the presence of droppings. These droppings, typically dark in color and about the size of a rice grain (for mice) or larger (for rats), can be found in various locations throughout your home, including:

  • Near Food Sources: Look in pantries, cabinets, drawers, around pet food bowls, and on countertops.
  • Hidden Areas: Droppings may be found in attics, basements, crawl spaces, and behind appliances.
  • Along Walls: Rodents tend to follow established paths, and droppings may accumulate along these runways.

The presence of fresh droppings (dark and moist) indicates an active infestation. Older droppings will be drier and grayer.

2. Gnaw Marks

Rodents constantly chew to wear down their growing incisors. Gnaw marks can be found on a variety of materials, including:

  • Food Packaging: Ripped or torn bags, boxes, and wrappers can indicate you need pest control for mice and rats.
  • Walls, Doors, and Baseboards: These gnaw marks may be entry points into your home or signs of burrowing activity.
  • Furniture and Electrical Wires: Rodents will chew on furniture legs, electrical wires, and other objects. Gnaw marks on electrical wires pose a severe fire hazard.

The size and location of the gnaw marks can help identify the type of rodent. Mice leave smaller gnaw marks (about the size of a pencil) compared to rats (which leave larger gnaw marks, roughly the size of a dime).

3. Strange or Out-Of-Character Pet Behavior

If your cat or dog seems unusually interested in a particular area, such as clawing or scratching at a wall or baseboard, it might be detecting the presence of rodents. This behavior is most common when the rodents have recently entered the home.

4. Tracks and Runways

Rodents typically follow established paths within your home. These runways may be visible as grease marks or smudges along walls or baseboards. You can also detect them by lightly dusting flour or baby powder on suspected runways. Rodent activity will leave footprints in the powder.

5. Signs of Nesting

Rodents build nests from a variety of soft materials, such as shredded paper, fabric scraps, or insulation. These nests are usually hidden in secluded areas like attics, basements, or behind appliances. Droppings or gnawing near a suspected nesting area can confirm rodent activity.

Taking Action Against a Rodent Problem

If you discover one or more of these signs, it’s crucial to take immediate action. Here are some steps to follow:

  • Seal Entry Points: Inspect your home’s exterior for potential entry points around pipes, wires, vents, and foundation cracks. Seal openings with appropriate materials like caulk or steel wool.
  • Consider Traps: Traps can be effective in eliminating existing rodents. However, proper placement and bait selection are crucial for safety and success.
  • Consider Professional Pest Control for Rats and Mice: For severe infestations or if you’re uncomfortable handling rodents yourself, contacting a licensed pest control service is highly recommended.

Remember, a quick response is key to preventing rodent infestation from becoming a larger problem. Recognizing the signs and taking decisive action can keep rodents out of the home and protect your family’s health and safety.

If you’re ready to learn more about rodent treatment solutions for your home, Contact Aptive, we’re ready to help.

Learn more about rodents

3 Intriguing Facts About Rats 3 Little-Known Ways House Mice Use Plants as Highways Into Homes 4 Unexpected Ways Rodents Impact Your Home  5 Signs You Might Have a Rodent Problem in Your Home (and What to Do About It) 8 Ways to Control and Remove Rodents from Your Home All About Cotton Rats – Identifying and Prevention Are Mice Active During the Day or Night? Are Norway Rats Dangerous? Can House Mice Survive the Winter in My Attic? Can Mice Get in Your Car? Can Rats Climb Walls? How to Seal Your Home to Prevent Entry Chewed Wires Behind My Fridge: Is It a Mouse or a Rat? How to Tell Common Misconceptions About Rodents in Urban Areas Diseases Carried by Mice & Rodents Do Mice Leave a Smell Behind? Do Pet Rodents Attract Wild Ones? Do Rats Spread Fleas and Ticks? How to Minimize the Risk Does Peppermint Oil Repel Mice? Dryer Vents: Small Openings, Big Rodent Impact House Mice vs. Deer Mice: What You Need to Know House Mice vs. Field Mice: Key Differences Explained How a Rodent Infestation Can Ruin Your Home How Cotton Rats Help Spread Other Pests How Do You Know If You Have a Rat Nest in the Walls? How Long Do Rats Live? 3 Factors Affecting Rat Lifespan How to Get Rid of Norway Rats How to Keep Rodents Out of Your Attic This Winter How to Keep Voles Out of the Garden in 3 Simple Ways How to Treat Mice in the Home Mice vs. Rats – How to Identify and Prevention Mouse Proofing 101: How to Catch a House Mouse Norway Rat Burrows in Lawns: Signs & Safety Norway Rats vs Roof Rats: What's the Difference? Pack Rats: Identification, Facts, and Preventing Protecting Against Rat & Mice: The Where and When of Rodent Activity Rat Infestation Season: When Are Rats Most Active? Rats Chewing Wires: Can They Cause a Fire in My Home? Rats in Homes: How Common Are They Really? Rodent Control: Keeping Rodents Out of Your Grill and Outdoor Kitchen Roof Rats in Structural Crevices: What to Know Signs of a Mouse Infestation The Surprising Reason Jumping Mice Store Food in Unusual Places Ultimate Guide: How to Identify Mouse Poop in Your Home Vole Damage in the Lawn? Identifying and Repairing the Harm Voles 101: What Are Voles? What Are Deer Mice and How to Get Rid of Them What Are the Most Effective Ways to Deal with Mice in the Attic? What Diseases can Rats Spread to Humans? What Do Rat Droppings Look Like? What Do Rats Eat in My House? Targeting Their Food Sources What Time Are Rats Most Active Indoors? What’s the Difference Between a Rat and Mouse? Why Do Roof Rats Prefer Attics to Basements? Why Rodents Thrive in Urban Environments Why You Should Never Ignore Rodent Noises at Night Will My Cat Keep Mice Away?

Curated articles for you, from our pest experts.

Three Outdoor Compost Bins Made Of Wooden Slats And Wire Mesh, Filled With Organic Waste And Growing Plants, Situated On A Green Lawn.

Compost and Pests: What Homeowners Should Know

You maintain an active compost system to reduce household waste and enrich garden soil, but observe increasing pest activity around the bin raising concerns about whether decomposition processes attract organisms that may migrate toward residential structures or...

Oct 27, 2025
A Large Modern Wooden Cabin-Style House With Brown Trim And A Stone Foundation, Set On A Landscaped Hill With Evergreen Shrubs, Gravel Ground Cover, And A Clear Blue Sky Overhead.

Boat and RV Pest Prevention Tips During Storage

Storage periods create the perfect storm for pest invasions. RVs and marine vessels sit idle for months, often in less-than-ideal conditions, providing exactly what pests seek: shelter, darkness, and undisturbed spaces to establish their presence. Whether you're...

Oct 27, 2025
A Close-Up Macro Photograph Showing A Cluster Of Spiny, Brown Insect Eggs On A Textured Green Leaf, With Fine Hair-Like Structures Protruding From Each Egg. The Leaf Surface Is Detailed And Glossy Under Sunlight.

Insect Reproduction and Population Surges Explained

You observe minimal pest activity for extended periods before experiencing sudden dramatic increases in insect populations that seem to appear overnight, creating confusion about whether infestations originate from external sources or represent explosive growth...

Oct 23, 2025
A Close-Up View Of A Modern White Wall-Mounted Air Conditioning Unit Installed Above A Window With Sheer White Curtains And Dark Gray Drapes, In A Clean Indoor Space With Light-Colored Walls.

HVAC Systems: A Highway for Pests

You maintain your HVAC system diligently for energy efficiency and air quality, yet discover pest activity in multiple rooms simultaneously despite having no obvious entry points visible from interior spaces. This puzzling scenario often indicates that your heating...

Oct 23, 2025
A Large Two-Story Brick House With Tudor-Style Architecture, Snow Covering The Front Yard And Roof, Leafless Tree Branches Extending Across The Top Of The Image, And A Small Decorated Christmas Tree By The Front Door.

How Pests Survive Winter’s Harsh Conditions

You assume that freezing temperatures and snow eliminate pest problems until spring, yet continue discovering evidence of active infestations including fresh droppings, ongoing damage, and live insects throughout the coldest months. This misconception...

Oct 23, 2025
A Large, Two-Story Wooden House With A Red Shingle Roof And Stone Accents, Set On A Landscaped Slope With Small Conifer Shrubs, Rock Mulch, And Brown Wooden Stairs Leading Up To The Front Entrance. The Home Features Balconies, Large Windows, And Is Surrounded By A Mountainous Forest Area Under A Partly Cloudy Blue Sky.

How Landscaping Decisions Affect Pest Activity

You carefully design your landscape for aesthetic appeal and property value, yet unknowingly create ecological conditions that attract and sustain diverse pest populations seeking shelter, nutrition, and breeding opportunities. These landscaping elements function...

Oct 23, 2025
A Close-Up Image Of A Scorpion On Sandy Ground, With Its Tail Arched Over Its Back And Pincers Extended Forward, Captured In A Defensive Posture.

The Most Common Pests in the Southwest

The southwestern United States presents unique pest challenges due to its arid climate, extreme temperatures, and diverse ecosystems that support various insect and arthropod species adapted to desert conditions. Homeowners in Arizona, New Mexico, Nevada, and...

Oct 21, 2025
A Wooden Ladder With Paint Splatters Stands In Front Of A White Wall, Surrounded By Painting Supplies Including A Roller, Paint Trays, Blue Painter'S Tape, A Color Swatch Fan, And A Can Of White Paint. The Hardwood Floor Is Protected With Plastic Sheets And Brown Paper.

Remodeling Projects and Pest Surprises

You begin demolition on your dream kitchen renovation only to discover evidence of extensive pest activity hidden within wall cavities, beneath cabinets, and inside structural spaces that have remained undisturbed for years or decades. These unwelcome discoveries...

Oct 20, 2025
Three Large Blue Plastic Bins Lined Up Against An Indoor Wall, Each Labeled &Quot;Mixed Recycling&Quot; With Black Wheels At The Bottom And Metal Lifting Bars Across The Front.

Recycling and Pests: What’s the Connection?

You maintain dedicated recycling systems to reduce environmental impact but observe increasing pest activity around sorting bins, raising concerns about whether sustainable waste management practices inadvertently create conditions supporting household...

Oct 20, 2025
A Modern, Empty Room With Light Wood Flooring, Gray Walls, And A Vaulted White Ceiling With Track Lighting. A Sleek Dark Wood Door Is Closed On The Right Wall, While A White Media Console Sits Below A Row Of Outlets. French Doors Open To A Balcony With A View Of Greenery And A Distant Landscape.

Pest Risks in Vacant Homes: What To Expect

You purchase what appears to be a well-maintained vacant property, conduct routine inspections that reveal no obvious problems, yet discover extensive pest activity within days of moving in your belongings and beginning occupancy. This common scenario reflects the...

Oct 20, 2025

Take back your home with pest control today.