Shed Sizes Explained
A 10×12 is the most popular shed size in America, and for good reason — it fits a riding mower, a workbench, and wall-hung tools without requiring a building permit in most counties. But "most popular" doesn't mean "right for you." The table below ranks every common shed dimension by how often people search for it, with build-vs-buy cost ranges and square footage.
Click any size for detailed materials lists, build-vs-buy breakdowns, and free building plans.
All Shed Sizes (5)
| # | Size | Sq Ft | Cost Range | Searches/mo |
|---|---|---|---|---|
| 1 | 10×12 Shed | 120 | $1,800–$7,500 to build | 7,300 |
| 2 | 10×10 Shed | 100 | $1,200–$8,000 to build | 6,600 |
| 3 | 12×16 Shed | 192 | $4,800–$25,000 to build | 4,500 |
| 4 | 10×20 Shed | 200 | $3,500–$15,000 to build | 4,200 |
| 5 | 12×20 Shed | 240 | $4,500–$18,000 to build | 3,800 |