But then an unexpected rainstorm hits, drenching your entire property, and you notice the shed isn't sitting quite right. While there are endless possibilities for adding a shed to your backyard, there are also many options for what foundation will best suit the shed you choose. And selecting the wrong foundation for your shed can be disastrous. The longevity, safety, and resilience of your shed is literally built on the type of foundation you choose. Whether it's concrete, gravel, or something else, knowing your shed foundation options and which one is right for your yard is a key step that you don't want to skip when prepping to build your new structure.