Why can I hear something in my walls?

Author: Prof. Aryanna Jaskolski  |  Last update: Thursday, May 29, 2025

Hearing scratching in walls during the quiet hours can be unsettling. These noises are typically caused by rodents—most commonly mice or rats—that have entered your home.

Why does it sound like something is in my walls?

Very likely you are hearing thermal caused movement either expansive or contractive. It can also be caused by wind load and atmospheric pressure differential inside vs outside the home.

How can I tell what animal is in my wall?

Examine Droppings: As unpleasant as it may be, the appearance of droppings can help identify the animal. Monitor Activity: Note when the noises are most frequent. Sounds in the wall at night usually indicate nocturnal animals like mice, rats, or raccoons.

What am I hearing in the walls?

What's Making That Scratching Sound in the Wall? Scratching sounds within walls are typically caused by rodents or other small pests seeking shelter, building nests, or searching for food. The type of animal can often be inferred from the nature and timing of the noise.

Why do I hear noise in my walls at night?

Noises in the house at night could be attributed to various factors, including settling of the building structure, expansion and contraction of materials due to temperature changes, or the presence of nocturnal animals or pests. While many of these sounds are harmless, they can sometimes cause anxiety or disrupt sleep.

Hearing Sounds in Your Walls or Attic? This is Probably what it is!

What to do if I hear something in my walls?

If you think you have rats or mice, you can try to lure them out and trap them. If you don't feel comfortable setting traps or are unsure what pests are in your walls, the wisest move is to contact a qualified pest control company with wildlife removal experience.

How long can mice live in walls?

Mice can live without water for months and without food for 1-2 weeks, but with access to both, they can live up to two years. And due to their constant reproduction, they can live in your walls indefinitely if measures aren't taken to remove them.

What do termites sound like in walls?

Rattling, rustling, clicking, and buzzing are all common termite sounds produced when the pests travel through wood searching for food.

Is it normal to hear through walls?

This is a logarithmic compressed scale dealing in powers of 10 where small increments in dB correspond to large changes in acoustic energy. While some noise in shared living spaces is normal, if you can clearly hear your neighbors' conversations or TV through your walls or ceiling, you have a noise problem.

What is living in my walls?

Some of the animals that could be in your walls include rats, mice, squirrels, and chipmunks. Though not technically rodents, bats are also a frequent home pest problem.

How long can a rat live trapped in a wall?

Any remaining rats inside the walls of your home will get hungry and thirsty since we have blocked all entry & exits. Rats can only survive within 5 to 7 days without food or water. Removing the walls is just a matter of a few days.

What does animal in wall sound like?

The sounds they make:

Wildlife, especially larger critters, make louder thuds and more persistent heavy scratching noises that can sound like something is knocking on your walls or heavy footsteps on your ceiling.

How to tell if bats are in your walls?

If you see a bat disappear into a hole on your house, then you certainly have bats in your home. Noises in walls: This may be a sign of mice or rats, but mice and rats are usually quiet if you thump on a wall. Give your wall a thump. If you hear a reaction from the other side, it is likely that you have bats.

Why do I hear ticking in my walls?

A repetitive ticking or clicking sound coming from walls and ceilings can result from the expansion and contraction of metal HVAC ductwork that conducts ventilation through these voids. When metal heats up, it expands; when the furnace stops pushing warm air through the system, the metal cools and contracts.

How to get rid of an animal in a wall?

If you are unable to simply reach down into the wall and retrieve the critters, you will need to cut a hole in the wall where they are trapped. Unless you are an experienced DIYer, this will likely mean calling a wildlife removal professional.

Why am I hearing noises in my house?

Among the most common and often harmless household noises are gentle groaning, creaking sounds, or even a loud cracking noise in the house. These are often the result of changes in temperature and humidity throughout the day, week, or season.

How to detect a listening device?

Turn off all of your electrical appliances. Then walk into each room of your home, standing completely still. If you hear a soft buzzing or beeping noise, you may be able to pinpoint the location of the listening device.

Why do I keep hearing things in the wall?

If you hear the telltale sound of skittering, squeaking, scratching or buzzing coming from inside your walls, it may very well be exactly what you think it is—an unexpected house guest. From raccoons, mice and squirrels to birds, bees, and the dreaded rat, these critters can become unwanted tenants in our homes.

What do I hear in my walls at night?

These noises are typically caused by rodents—most commonly mice or rats—that have entered your home. These pests are nocturnal, meaning they're most active at night when the house is quiet, and they feel safe to search for food and nesting materials.

What bugs make noise in the walls?

A List of Pests That Could be Making Noises in Your Wall
  • Mice.
  • Chipmunks.
  • Bat.
  • Raccoons.
  • Birds.
  • Termites.
  • Carpenter Ants.
  • Wasps.

How do you tell if termites are behind drywall?

Tiny pin-sized holes in your drywall could be an indication of a termite infestation, as these can indicate places where they may have eaten through the wall. Subterranean termites will fill in these holes with soil, while drywood termites won't. These holes may be exploratory or used to kick frass out of a tunnel.

Can you hear mice in the walls?

You may hear mice scurrying around inside your walls and ceiling. Mice are especially active at night, so if you hear squeaking, skittering, or gnawing noises coming from inside the walls at bedtime, this could be a sure sign that mice have taken up residence.

Can you scare mice out of walls?

Essential oils. Peppermint oil, lemon oil, citronella oil, and eucalyptus oil may help repel mice. You can treat areas where they have been present by leaving cotton balls soaked in peppermint oil, cayenne pepper, or clove oil.

What scent will keep mice away?

The strong scent of peppermint is overwhelming to mice. Similarly, essential oils such as eucalyptus oil, bergamot oil, clove oil, and cinnamon oil are potent in keeping mice at bay. One study noted that eucalyptus oil applied once a day was more effective as a rat repellant than once a week.

Is it safe to sleep with mice in your walls?

Mice are known to carry diseases such as salmonella and hantavirus that can potentially be serious for humans. Furthermore, the fleas and ticks that live on mice can transmit illnesses to humans such as Lyme disease. And, as tiny as they might be, mice can cause big problems when they infest a home.

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