Free Compost Bin Plans
The most beautiful and practical compost bin ever!

For an introduction to why and how the compost bin made from these particular compost bin plans works so well, please visit homemade compost bin

If you're handy with tools, allow yourself about 3 hours to build it, after you have all the materials and tools together. (If you're new to building things from scratch, it may take you half a day.)

All the materials are available from Home Depot or any good lumberyard. Cost for all new materials from Home Depot: about $50. not including the finish.

The picture below of the inside corner of the finished compost bin actually gives you everything you need to know to build this bin. Every corner is identical.

Inside Corner Homemade Compost Bin

Materials Needed for the Best Homemade Compost Bin Ever

  • 8 - 5/8” x 6” x 6’ cedar fence boards from Home Depot (caution: don’t buy the pine ones that are stained and treated to look like cedar, and make sure your boards are flat and square with no twist or warp)
  • 1 - 1-lb box of #10 x 1 ½” hex/washer self-drilling screws
  • 1 - 10’ cedar 2x4
  • 1 - quart finish (your choice)

Tools Needed

  • Power drill with nut-driver bit (to fit a #10 screw)
  • Hand or power saw (I used a small saber saw - use a tablesaw or radial arm if you have it!)
  • Measuring tape
  • Pencil
  • "Poly Square" plastic carpenters square (not necessary, but sure handy!)

Step-by-Step Instructions

1) Cut the fencing cedar into 16 – 28” long pieces.

2) Cut 16 – 7 ½” long pieces from the 2x4 (cut them about a pencil line’s width less than 7 ½”, or you’ll be a quarter of an inch short of lumber when you get to the last one).

3) Make a little “jig” that will make it easy to evenly space the legs down 1” from the top of the board while attaching them on. Take a scrap of the leftover cedar fence board, and cut it to 6” x 2 ⅛”. Cut a 1” piece (as close to 1” and as square as you can cut it ) off the end of a scrap of 2x4, and screw it onto one end of the 6 x 2 ⅛ piece you just cut. The picture below shows the jig on the right.

Jig For Homemade Compost Bin

This jig doesn’t get attached to anything – it is just a spacer block so that you can easily screw the legs onto the boards exactly 1” down from the top, quickly and consistently, without having to measure each one each time.

4) You are now going to make 16 identical leg/board units (pictured on the left in the photo above). Use the little jig to position the leg 1” down from the top of the board, and screw the leg on through the board. Use 3 screws, positioned as shown in the picture.

Outside Corner of Homemade Compost Bin

5) Now you’re going to assemble the leg/board units into the four independent tiers that will make up your homemade compost bin. It helps if you have a second pair of hands to help you hold things square and even when you screw the corners together.

Use two (not three) screws on these sides, positioned so that they do not run into the three screws already in place (see outside corner detail photo below).

After two sides are screwed together, the corner should look like this (it's upside down with the leg sticking up):

I didn’t have a second pair of hands, so I laid them out on a flat patio and pressed them up against a roof post so I could put my strength behind the drill to drive the screws.

At any rate, when you have 4 of these screwed together at the corners, you have the first tier of the homemade compost bin made. Make three more exactly like it, and you have become the proud owner of your very own… Best Homemade Compost Bin Ever!

Below is what the outside corner looks like, with and without finish:

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