Shed Foundation Options: Which Is Best? Choosing between shed foundation options matters for budget, durability, and the use you have in mind. This guide on shed foundation options explains the trade-offs between concrete slab, gravel pad, pier-and-beam, skids, and low-carbon alternatives so readers can match foundation type to soil, climate, and intended use. Expect practical cost ranges, installation time estimates, durability ratings, and clear decision steps for DIYers and small contractors. TL;DR: - Gravel pad saves about $2–$6 per sq ft and is ideal for lightweight storage; concrete slab costs roughly $6–$12 per sq ft but supports heavy workshop loads. - Pier-and-beam or helical piles work best on slopes or poor soils and typically take a day to set for a small shed when using contractors; spacing is commonly 4–8 ft. - Skids are cheapest and easiest to relocate but expect 5–15 years lifespan; plan anchoring and future upgrades if you may convert the shed to habitable space. Quick...