How To Build A Bat House

Bats are an essential part of our ecosystem and provide natural pest control by eating insects such as mosquitoes, moths, and beetles. Unfortunately, their habitat is rapidly decreasing due to human development. Building a bat house can provide a safe haven for these beneficial creatures. In this article, we will guide you on how to build a bat house.

Materials Needed

To build a bat house, you will need the following materials:

  • 1/2 inch exterior grade plywood
  • 1-inch galvanized screws
  • 1-inch by 2-inch lumber
  • Wood glue
  • Black paint
  • Chop saw or handsaw
  • Circular saw
  • Drill with a screwdriver bit
  • Measuring tape

Step-by-Step Guide

Step 1: Cut the Wood

Start by measuring and cutting the wood to the following dimensions:

  • 1 piece of plywood measuring 24 inches by 16 inches for the back
  • 2 pieces of plywood measuring 22 inches by 16 inches for the sides
  • 1 piece of plywood measuring 22 inches by 14 inches for the roof
  • 1 piece of lumber measuring 24 inches for the bottom support
  • 2 pieces of lumber measuring 16 inches for the side supports

Step 2: Assemble the Bat House

Using wood glue and screws, assemble the bat house by attaching the sides to the back piece. Then attach the bottom support and side supports to the sides. Finally, attach the roof to the top.

Step 3: Install the Bat House

To attract bats, install the bat house in a sunny location that is at least 10 to 12 feet above the ground. Mount the bat house on a pole or the side of a building with the entrance facing south or east.


Q: How big should the entrance hole be?

A: The entrance hole should be 1/2 inch to 1 inch in diameter.

Q: How many chambers should the bat house have?

A: The bat house should have at least two chambers.

Q: What type of paint should I use?

A: Use black or dark brown exterior paint to help absorb heat.

Q: How often should I clean the bat house?

A: Clean the bat house once a year in the fall after bats have migrated.


Building a bat house is an excellent way to help conserve these beneficial creatures. By following the steps outlined in this article, you can create a safe and cozy home for bats in your area. Remember to install the bat house in a sunny location and keep it clean to ensure that it remains a desirable habitat. Happy bat house building!