How to Deal with Mysterious Animal Footprints in Your House
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There are few things more unsettling than discovering a trail of mysterious footprints across your clean floor. Your mind immediately starts racing. Was it just Fido after an unsanctioned romp in the garden? Or is something else—something uninvited—making itself at home?
Don’t panic. Whether you’re dealing with a simple muddy pet situation or the first sign of a pest, you can handle this. Think of it as a bit of detective work. In this guide, we’ll walk you through everything, step-by-step, just as if we were on the phone with you. We'll help you identify the culprit, clean up the mess properly, and secure your home so it doesn't happen again.

Before you can solve the problem, you need to know what you’re up against. The first order of business is to determine if the prints belong to a familiar furry friend or an unknown intruder.
Here’s how to start your investigation:
If the prints are a match for your pet, you can breathe a sigh of relief. Your mystery is solved! Now, it's just a matter of cleanup. If they don't match, however, you're likely dealing with a wild animal, and we’ll get to that in a moment.
Found out the culprit was just your dog or cat? Great! The only challenge now is cleaning up those muddy tracks. The method depends on whether the prints are fresh or dried and what type of flooring you have.
If the prints are still moist, you’ll want to act fast to prevent staining.
On Carpet:
On Hardwood:
On Tile:
If the mud has already dried, the process is a little different.
On Carpet:
On Hardwood:
On Tile:
If you've ruled out your own animals, it's time to consider the possibility of an intruder. The most common uninvited guests are mice and rats, but depending on your location, it could also be a squirrel, raccoon, or opossum.

A mouse or rat can squeeze through an opening as small as a dime. According to the National Pest Management Association, rodents invade an estimated 21 million homes in the U.S. each winter. The tiny footprints they leave behind are often the first sign you have a problem.
If you suspect a pest, your next steps depend on whether the animal is still around.
If you hear scurrying in the walls or actually see an animal, the situation is more urgent.
If the coast seems clear, your mission is to find out how the pest got in and block its entry.
Inspect for Entry Points: Put on your detective hat again. Retrace the footprints and look for their origin point. Check along exterior walls, near pet doors, and around crawl-space vents. Use a flashlight to inspect dark corners, behind appliances, and around pipes. Look for tell-tale signs like gnaw marks on wood, small piles of shredded insulation, or gaps in the foundation. Feel for drafts around doors and windows.
Seal the Entry Point: Once you've found a likely entry point, you need to seal it up for good.
After you've sealed the entry point, you can proceed with cleaning up the tracks using the same floor-specific methods described in Step 2. Crucially, after cleaning, you should also disinfect the area. Pests can carry bacteria and viruses, so use a household disinfectant or a diluted bleach solution to sanitize the floor where the tracks were found.

While many minor pest issues can be handled on your own, sometimes it's best to call for backup. You should hire a pest control expert if:
A professional inspection typically costs between $100 and $300, while removal services can vary depending on the severity of the problem. It's a worthy investment for your peace of mind and the safety of your home.
Discovering strange footprints in your home can be stressful, but by following these steps, you can systematically identify the cause, clean up the mess, and secure your home. Whether it's a muddy pet or a curious mouse, a calm and methodical approach will always win the day.
For more expert guides on home maintenance, DIY repairs, and knowing when to call a pro, download the Casa app today. We put the power of a home expert right in your pocket, making it easier than ever to manage and care for your home.