10 Free DIY Tree House Plans

Childhood Friends Hammering and Working to Build Their Treehouse

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Use one of these free tree house plans to make your children the ultimate playhouse in the sky. This wide selection of free tree house plans includes everything from the simple to the outrageous.

Detailed diagrams, color photos, videos, step-by-step building instructions, and tips will help you build a safe and sturdy tree house that your kids or grandkids can enjoy for years.

Tip: No good tree house trees? No problem! Most of these free tree house plans include an option for a free-standing tree house that sits on posts. You can also find some free playhouse plans, and free swing set plans that may meet your needs better.

When you're ready to move on from tree houses and onto your next woodworking project, you can find more free woodworking plans for toy boxes, bunk beds, sheds, deer stands, dog houses, picnic tables, birdhouses, gazebos, porch swings, and bookcases.

Even if you're not looking for a full step-by-step plan, there are plenty of free resources online for building your own treehouse. One of our favorites is from Family Handyman, who offers helpful tips from how to keep weight and stability in mind to how to keep the floor level and sturdy and much more.