So, you’ve started hearing weird noises from inside your walls? That’s never a good sign. Chances are, you might have rats. Rats make all sorts of sounds—scratching, scurrying, gnawing, and sometimes those sharp squeaks.
Most often, you’ll notice scratching and scurrying as rats move around, searching for food or making nests.

You’ll probably hear these noises at night, when everything’s quiet and rats get bolder. Sometimes, they chew through wood or insulation to get where they want—so you might catch that gnawing sound too.
If you listen closely, you might even hear squeaks or hissing, especially if they feel threatened or get into a spat with another rat.
Figuring out what these sounds mean can help you catch a rat problem before it gets out of hand.
What Do Rats in Walls Sound Like?

If you’re picking up odd sounds in the walls, rats might be the culprits. The noises range from high-pitched squeaks to scratching and gnawing.
Each noise means something different, and recognizing them can help you spot trouble early.
Common Rat Noises: Squeaks, Chirps, and Hisses
Rats have a whole range of vocal sounds. Sometimes you’ll hear high-pitched squeaks or chirps when they’re active or talking to each other.
These sounds tend to be soft and quick, almost easy to miss if you’re not paying attention.
If a rat feels threatened, it might hiss—a sharp warning to other rats or anything that gets too close. You usually won’t hear much during the day, but at night, the sounds get more obvious.
Scurrying and Scratching Sounds in the Walls
Scurrying is a big giveaway. You’ll hear quick, light footsteps or tiny scrambling as rats run along beams, pipes, or inside the walls.
Scratching is a bit different. Rats make this slower, more deliberate noise while digging tunnels or prepping nests.
You’re more likely to notice scratching in the evening or at night, especially if your house is quiet.
Gnawing and Chewing Noises
Rats chew constantly to keep their teeth from getting too long. Chewing sounds are louder and more repetitive than scurrying.
Picture a steady biting or nibbling—usually on wood, wires, or insulation.
Gnawing sometimes comes in bursts and can last a few minutes. If you hear this, it’s time to pay attention, since rats can do real damage.
Differences Between Rats, Mice, and Other Rodents in Walls
Rats and mice sound similar, but there are differences. Rats make louder, rougher noises—think heavy scurrying or deep gnawing.
Mice are quieter, faster, and their sounds are higher-pitched.
Squirrels or other rodents sometimes get into walls too, but they usually make thumping or rolling noises. If you notice loud scratching with thumping, you might have something bigger than a rat.
Knowing these differences helps you figure out what’s really going on behind your walls. Want even more info? Here’s a handy guide on rat noises in walls.
Identifying and Responding to a Rat Infestation

You might hear noises in your walls or spot damage that hints at rats hanging around. Paying attention to these signs helps you act fast to protect your place.
Recognizing the Signs of Rat Activity
Listen for scratching, gnawing, or rustling in the walls, especially after dark. Rats move and chew on wood or wires, and those sounds are a dead giveaway.
Look for droppings near food or along the baseboards. Rats leave small, dark, pellet-shaped droppings that are pretty easy to spot once you know what to look for.
You might notice damage like chewed wires, insulation, or wood. Rats need to keep their teeth sharp, so they’re always chewing something.
A strong, musty odor in quiet corners can also tip you off. Rat urine smells pretty bad, and the stink gets worse if there’s a bigger infestation.
When to Suspect an Infestation
If you keep hearing noises or spot droppings and damage, there’s a good chance you’ve got rats.
Sudden, loud scratching or gnawing that sounds like a tiny saw means rats are busy inside the walls.
Act quickly if you notice chewed wires—that’s a fire hazard and can mess up your home’s electrical system.
Don’t forget to check quiet, hidden places like attics and basements. Rats love those out-of-the-way spots.
Getting Rid of Rats and Pest Control Options
First things first—seal up any possible entrances. Rats can squeeze through surprisingly tiny gaps, so grab some steel wool, metal flashing, or just caulk if that’s what you’ve got.
Set traps along the walls or anywhere you hear those annoying sounds. Snap traps work fast, but live traps let you catch rats without killing them.
Try not to use poison unless you really know what you’re doing. It’s risky for pets or kids—no one wants that.
If things get out of hand, or you just want this over with, call a professional pest control service. They’ll handle infestations safely and know exactly what to do.
Curious about more signs or what to do when you hear scratching in the walls? Check out Rat Noises In Wall: What To Do When You Hear Scratching.