We know how exciting it is to build your own treehouse, and we also know how challenging it can be. Often, the most difficult part is the design: crafting a safe, fun, and buildable plan. We're here to help you with our 13 plan sets tailored to DIY-ers. And for this weekend only, we're offering a huge discount.

"Idyllic" is an apt description for the treehouse we built on Orcas Island during summer of 2016. See how it all came together in our time-lapse video of the build.

To usher in the treehouse-building season this spring, we've revamped one of our classic treehouse plan sets: the Marblemount. Read on to learn the differences between our two new versions of the Marblemount, and to find out which is best for you!

A 3000-square-foot tree-supported deck? Built in only two months? By a DIY-er?! See what's possible with big dreams, determination, and the help of friends, family, and Nelson Treehouse experts. Photo by The Hearnes Adventure Photography

With its rock climbing wall, dual suspension bridges, hidden stairway, bunk loft, and screened-in porch, this treehouse is a haven for the most intrepid of adventurers. Read on for a closer look...

What do 5,500 pounds of steel, a lotus flower, and nine heavy-limb TABs have to do with our next treehouse at Treehouse Utopia? Find out in our behind-the-build video!