Do you see a bat in your basement from time to time and wonder how this is possible?

A bat flying at you in the basement can be a scary thing to experience but the bat wouldn’t harm you, just the surprise of it alone could make anyone run.

Bats gravitate towards spaces that are warm, dark, and sheltered because they most closely match their natural habitat, a cave.

They also prefer highly elevated spaces like attics, roofs, and chimneys, so when you notice them roosting in your basement, it’s usually a sign that you have a bat infestation in the entire house. Bat-proofing only the basement will not be enough, you’ll have to deal with the attic and walls, too.

Bats Roost In Basement

Do Bats Roost In Basements?

In winter, bats often roost in the lower walls of a house, near or in the basement. At this time of year, basements can provide a suitable shelter for bats because they have cooler and stable temperatures. A basement makes a great home that looks like a cave to a bat, particularly if it’s a bit damp. Besides, they will happily roost in this place if it’s dark, spacious, and unfinished.

Bats In The Basement In Winter


Bats sometimes find their way into the basement for the hibernation period during the winter months. They can move down between the walls into the basement to hibernate.

There are a couple of factors that might cause these mammals to be sporadically seen indoors during winter.

If there is sudden warming of the outside temperature, these hibernating bats may respond to it as it gives them a false signal that spring is here.

They may even find their way into your basement in winter by accident.

Other times, they will come out of hibernation a couple of times during winter to rehydrate. This is why they can sometimes be spotted flying outside from December to February. However, this usually happens for a short while so they can drink.

Bats In The Basement In Summer

Rather than the basement, the attic is a location within the house that bats find more desirable to congregate over the summer months.

Bats prefer temperatures that hover in the 50s, the same as in their underground caves. Because the attic gets warmer in the summer and the basement is quite cold, the animals will move to the attic to roost. Living high up in attics in summer also allows them to freely leave their roosting area for feeding.

How Long Can a Bat Live In a Basement?

Bats can live in a house indefinitely, moving all the way down the walls and ending up in the basement when seeking warmer sheltered areas to roost in winter, and moving up into the attic in the summer.

Bats roost in walls, in basement and attic areas as they make ideal places to hibernate in winter or raise their young in the warmer months. It’s easy for them to navigate a house and they can squeeze into very small, tight spaces.

How Are Bats Getting In Your Basement?

bat-img2Having bats roosting in the basement is a typical issue that originated in the attic. In most cases, the animals follow the heat source in the house and work their way down the wall just to get warm. Thus, they often end up at the base of your main floor. If you can hear them scratching the wall or ceiling, this is when they’re trying to burrow down.

When there’s a colony of bats living in the walls or attic, it can often happen that one of them will accidentally crawl down into the basement. And once the lost bat has found its way down there, it might be followed by other bats. In a short time, there will be an entire colony living in your basement. So, basements are the main places where strayed bats end up, especially the unfinished sections of these spaces.

All the pipes in your house go up and down through the walls, leaving gaps between the floors. Bats use these gaps and end up in the basement. Also, the air ducts running throughout your house give bats the chance to end up in the basement as well.

Another way bats might be using to get into your basement is through the foundation of your house. Small, seemingly harmless gaps and cracks in a concrete foundation can allow bats to enter indoors.

Take a look around your basement and see if you can find any signs that bats have been roosting there. Pay close attention to the areas accessible through small cracks and holes because bats often use them as entry points.

If you’ve found evidence of bats living in your basement, or anywhere else in the house, do not attempt to handle or get rid of them yourself as there’s a possibility that they have rabies. Contact our professionals at Wildlife Troopers immediately, as eliminating bats requires experience.

We will humanely trap and relocate the animals so that the colony can no longer use your home as a roosting area. So, if you live in South Florida, call us today at (561) 809 – 4572 to get a free estimate for our bat removal services.

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