Bat Houses: A Backyard Project That Helps Nature (and Your Garden)

Bats are some of the most helpful nighttime visitors you can have around your home. A single bat can eat hundreds to thousands of insects in one night, including mosquitoes and garden pests. That means fewer bugs bothering you outside and fewer pests damaging your plants.

Installing a bat house is a simple way to invite these natural pest controllers into your yard. It’s also a fun home-and-garden project that supports local wildlife while improving your outdoor space.

Below is a guide to what bat houses are, why they’re useful, and how you can buy or build one yourself.

What Is a Bat House?

A bat house is a specially designed shelter that provides bats with a safe place to rest during the day. In the wild, bats typically roost in places like tree cavities, under loose bark, or inside rocky crevices. As natural habitats disappear or change, bat houses offer a safe alternative.

Bat houses are usually narrow wooden structures with small chambers inside. The interior surfaces are textured so bats can easily cling to them, and the narrow spaces help maintain the warmth they need.

Most bat houses are mounted on:

• Trees
• Poles
• The side of a house or garage

Placed properly, they give bats a secure daytime resting spot while keeping them away from living spaces.

Why Put a Bat House in Your Yard?

Adding a bat house can bring several benefits to your home and garden.

1. Natural Pest Control
Bats feed on insects like mosquitoes, moths, beetles, and agricultural pests. This helps reduce bugs without the need for chemical sprays.

2. Healthier Gardens
Garden pests such as moths and beetles can damage plants. Bats help keep these populations under control naturally.

3. Support Local Wildlife
Many bat populations are declining due to habitat loss and disease. Providing a bat house helps create safe roosting areas and supports biodiversity.

4. A Fun Backyard Project
Installing or building a bat house is an enjoyable weekend project. It’s a great activity for families and anyone interested in wildlife-friendly gardening.

Buying a Bat House

If you prefer a ready-made option, many garden centers and online stores sell bat houses designed specifically to attract bats.

When choosing one, look for these features:

• Untreated wood construction (safe for wildlife)
• Rough interior surfaces or grooves so bats can grip
• Multiple chambers for better insulation
• Dark exterior color to absorb warmth
• Ventilation slots to regulate temperature

Larger houses with several chambers tend to attract more bats and maintain more stable temperatures.

You can often find quality bat houses at:

• Garden centers
• Wildlife supply stores
• Online retailers
• Nature conservation organizations

Building Your Own Bat House

Building a bat house yourself can be a rewarding DIY project. With a few basic tools and materials, you can create a comfortable home for bats in an afternoon.

Basic Materials

• Exterior-grade plywood or cedar boards
• Wood screws or nails
• Non-toxic exterior paint or stain
• Caulk to seal joints

Simple Design Tips

A good bat house design includes:

• Narrow chambers (¾–1 inch wide)
• Grooved or rough interior panels
• A landing area at the bottom for easy entry
• A slanted roof to keep rain out

The house should be painted or stained a dark color in cooler climates to help retain warmth.

Many wildlife organizations provide free bat house building plans that are easy to follow.

Where to Install a Bat House

Placement plays a big role in whether bats will move in.

For best results:

• Mount the house 12–20 feet above the ground
• Place it where it gets 6–8 hours of sunlight
• Install it near water sources if possible
• Avoid mounting directly on trees (poles or buildings work better)

Once installed, it may take a few months for bats to discover the new home—but patience often pays off.

A Backyard Project That Gives Back

Installing a bat house is a small project that can make a big difference. Not only can it help reduce insect pests around your home, but it also supports an important part of the ecosystem.

Whether you buy a ready-made bat house or build one yourself, creating a safe space for bats is a rewarding way to make your yard more wildlife-friendly—and enjoy a few quieter, mosquito-free evenings outside.

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