How to Get Rid of Mice Under Floorboards: The Step-by-Step Guide

Do you have mice under your floorboards? If so, you’re not alone.

Mice are a common problem, and they can be difficult to get rid of. In this blog post, we will provide a step-by-step guide on how to get rid of mice under floorboards.

We will also discuss some tips and tricks that can help make the process easier. So if you’re looking for ways to get rid of those pesky mice, keep reading!

How to Get Rid of Mice Under Floorboards

Why Do I Have Mice Under Floorboards?

There are a few reasons you may have mice living under your floorboards.

For one, mice are excellent climbers and can squeeze into tiny spaces. This means that they can easily access your home through cracks and holes in the foundation.

Once inside, mice will often build their nests in dark, secluded areas, such as attics and crawlspaces. If your home has any of these conditions, it’s likely that mice will take advantage of it.

Additionally, mice are attracted to food sources, so if you have any food spilled on the floor or crumbs left out, this may also attract mice to your home. While mice may seem like harmless creatures, they can actually cause a lot of damage to your home.

They can gnaw on electrical wires, chew through wood and drywall, and contaminate food sources with their droppings. In addition, mice can carry diseases that pose a serious threat to humans.

If you suspect you have mice in your home, it’s important to take immediate action to get rid of them. Otherwise, you could be dealing with a serious infestation.

How To Get Rid Of Mice Under Floorboards

1. Find out where the mice are coming from

mouse entry point

One of the first steps in getting rid of mice floorboards is finding out where they are coming from. There are a few ways to do this:

  • Look for signs of mice, such as droppings, gnawed material, or tracks.
  • Check for openings where mice could enter the house. These might be holes in the walls, gaps around doors and windows, or cracks in the floor.
  • Listen for mice squeaking or scratching.

Once you have determined where the mice are coming from, you can take steps to close off those entrances and get rid of the mice.

2. Seal off mice entry points

mouse entry point hole

Once you have identified the source of the mice, you can begin to take steps to get rid of them. Block any entrances that the mice may be using to get under the

One of the most important things you can do to get rid of mice under floorboards is to seal off mice entry points. You can do this by caulking up any cracks or holes in your walls, floors, and ceilings. You should also make sure that your doors and windows are properly sealed and that there are no gaps around them.

3. Set mouse traps to capture the mice

mouse trap (2)

Setting mouse traps is one of the best ways to get rid of mice under floorboards. There are a variety of different mouse traps on the market, so you can choose the one that best suits your needs.

Snap traps work well, as do live catch mouse traps (but you will have to get rid of any live mice you catch).

When setting a mouse trap, be sure to place it in an area where the mice are likely to travel. You also want to make sure that the trap is set in a way that will ensure that the mice will be caught. For example, if you’re using a snap trap, make sure the bait is placed in the middle of the trap.

If you have pets or kids, you should use live catch traps to remove the chances of catching a finger or paw in a snap trap.

Place the traps in areas you find in step 1 to catch them more efficiently.

4. Consider using an ultrasonic pest repellent

ultrasonic mouse repellent

An ultrasonic pest repeller is an electronic device that emits ultrasonic waves. These waves are designed to repel pests, such as mice. There are a few things you should keep in mind when using an ultrasonic pest repeller:

  1. Make sure the device is properly plugged in and turned on.
  2. The device should be placed in the center of the room, away from walls and furniture.
  3. The device may take a few days to weeks to start working.
  4. Consider using an ultrasonic pest repellent in conjunction with other methods, such as traps or poison bait (inside live catch traps).

5. Remove clutter and clean up once you’ve caught the mice


Once you have successfully captured the mice, it is important to clean up the mess they have made. This includes cleaning up any droppings or urine, as well as repairing any damage they may have caused.

Be sure to wear gloves and a mask when cleaning up any mouse droppings, and dispose of them in a sealed bag. Wipe down the area with a disinfectant to kill any germs or bacteria.

If the mice have caused damage to your home, such as chewing through walls or floors, you will need to repair this damage to prevent future mice from getting in.

By following these steps, you can get rid of mice under floorboards and keep them from coming back. mice are a serious problem that should not be ignored. If you think you might have mice in your home, take action immediately to get rid of them.

Consider Using a Pest Control Company

If you are not confident in dealing with the mice yourself, it’s definitely time to consider a pest control company. Mice are known for carrying diseases, and they can quickly wreak havoc in your home if they’re not controlled.

A pest control company will have the experience and expertise to get rid of mice quickly and efficiently. Plus, they’ll be able to provide you with tips on how to prevent mice from returning in the future.

So if you see mice under your floorboards, don’t hesitate to give a pest control company a call.


If you are having a problem with mice under floorboards, there are some things that you can do to try and get rid of them.

The first step is to try and seal up any cracks or holes in your floorboards.

Then, you need to catch them! Do this by using several mouse traps around any entry points and around the outside of your home.

Once you’ve caught the mice, you should take steps to drive them away, such as using an ultrasonic device, and other natural mouse repellents.

Finally, clean up after the mice and avoid accumulating clutter, which attracts mice.

Be patient, it may take a while for the mice to leave, but if you keep at it, you should be able to get rid of them for good.

Have you had success getting rid of mice using these methods? Let us know in the comments.

Good luck!

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