Why Do I Have Mice In My House? 7 Reasons

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The sight of mice in your home can be concerning. Mice can be very dangerous, are known to cause damage and spread diseases. If you have seen a mouse in your home, you might ask ‘why do I have mice in my home?’ In this post, I am going to give you some of the most common reasons. Once you are armed with that knowledge, you can set about getting rid of them!

Winter and fall are the two most common seasons to see mice however, it could happen at any time of the year! Bad news, right?

Mice can and will get into your home with ease. There are likely to be many mouse entry points around your home that they will take full advantage of. Mice are also opportunistic creatures, and can wait for a time when you will leave your door or windows open. As soon as they get the chance… they are in.

The list of factors that makes your home more susceptible to mice is endless. I am going to give you the top 7 reasons why you have mice in your home…


Why Do I Have Mice In My House? 7 Reasons Why

Why Do I Have Mice In My House Infographic 1

Easy To Access

This is the most common reason. Whilst poor sanitation is a reason (see below) that mice are attracted to your home, they are also more than happy to set up home in a clean home… as long as they can get access!

If you ignore, or just do not know what entry points are available to mice, then you are asking for trouble.

I perform a regular inspection around my property to ensure I have coverer every entry point I can see. That way, I can be confident that it is a challenge to get into my home!


Poor Sanitation

Poor sanitation is a possible reason why you have mice in your home.

Also, poor sanitation makes it easier for mice to access food and water sources hence encouraging them to make your home their haven.

Mice are scavengers, meaning any poorly disposed of garbage provides easy access to food for the mice.

The clutter also provides the materials that the mice require to make a nest for their young ones. A lot of open water sources such as a water bowl for your pet also provide enough water to keep them around.


Seeking Shelter

Mice are always looking for a shelter that can hold a nesting site for their young ones. The fallen leaves and deed near your house can be the right nesting place for mice and your house the source of food.

Having a mice nest near your house gives the mice easy access to your home through small spaces and gaps in windows, plumbing lines, ceiling, gas lines, and sewer lines. The mice could do all these just for adventure but will continue coming back if they find access to food inside the house.

The mice you spot inside your house may not be living inside the house. They may be living in a nearby shelter. The shelter can be an old car parked near the house, piles of firewood, or discarded furniture.

Mice feel safer in an environment with a minimal external treat and hence will choose an area where you rarely visit. From the shelter, mice will then find easy access to your home whenever they need food or water.


Human Intervention

The natural habitat for mice is bushes and forests, but such spaces continue to shrink in size every year. Every time an open space is developed, the mice that were living there have to find a new home and another similar environment can be far away.

The noise (noise scares mice) and activities at a construction site also chase the mice away, and they end up in the nearby neighborhood.

Your house could be the quiet environment they need, especially if you are rarely at home.


Predators

Another factor that may force mice in your home is predators. The presence of a predator near your house could be the reason why there is a mice infestation in your home. They are running scared!

Mice are prey to various predators such as snakes, some birds, cats and many more. The presence of such a predator near the mice shelter forces them to find a safer environment; which in this case is your house. The mice can relocate and build a nest inside your house, especially if the predator is bigger and cannot find a way inside the house.

You can always introduce a cat to your home, mice hate cats!


Harsh Outdoors Environment

There are times when the outdoors environment is unfavorable for the mice. The weather outside could be extremely hot or cold, and mice will have to find a better place for the time being.

The most notorious seasons for mice infestation is during the cold seasons of winter and fall. Mice find refuge in homes.

Unfortunately, the mice could see the environment very favorable for their survival, meaning they will stay even when the climate outside gets back to normal temperature. That is why you always need to be aware of mouse-related sounds in your attic, and home.


High Mice Population in Your Neighbourhood

Another answer to the question ”why do I have mice in my house?” could be a high population of mice in your local neighborhood. A high population of mice means that they have to compete for food and shelter. The outdoor environment may not offer enough for all of them.

Mice will, therefore, find alternative shelter in homes where food is easily accessible, and the competition is minimal. There are areas known for huge mice infestations due to the favorable environment, and there is a higher possibility of having a mice infestation if your home is in that area.


Frequently Asked Questions

frequently asked questions

What attracts mice to your house?

Mice are attracted to lots of things in your home but the most attractive things are those that offer protection from predators, warmth, comfort, and food. Instead of looking at each individual element, you should consider what a mouse wants, and remove it!

Does one mouse mean I have an infestation?

Just because you have seen one mouse, it doesn’t mean you are dealing with an infestation. Although it should be seen as a warning about a possible future infestation. One mouse got into your home, therefore, others may also get into your home!

Do mice leave on their own?

If there is nothing in your home for a mouse, then they will leave on their own. This is especially true if you have a cat! A cat is a natural predator for mice. Having said that, it is rare that a mouse will leave your home on their own, simply because they will see it as a good base for their nest!


Conclusion

As described above, you may have mice in your home due to a number of factors. Some you can easily control, and others that pose more of a challenge.

Some areas are known to have high mice population than others, so there is a higher possibility of having mice in your home if you live in such neighborhoods.

The environment also plays a significant role as mice look for a conducive environment when the outdoor environment is very hot or cold. What makes it challenging to control mice infestation is that mice are tiny animals and can easily access your home through different avenues as long as there are openings.

No matter how well built your house may be, there are so many ways for mice to gain entry.

Good luck!

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