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 (33)
| # | 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 |
| 6 | 8×12 Shed | 96 | $1,200–$2,000 to build | 3,700 |
| 7 | 8×8 Shed | 64 | $1,200–$6,500 to build | 3,600 |
| 8 | 8×10 Shed | 80 | $800–$5,500 to build | 3,600 |
| 9 | 12×24 Shed | 288 | $4,500–$18,000 to build | 3,300 |
| 10 | 12×12 Shed | 144 | $3,200–$4,800 to build | 3,000 |
| 11 | 6×8 Shed | 48 | $800–$1,200 to build | 2,800 |
| 12 | 10×16 Shed | 160 | $2,200–$12,000 to build | 2,600 |
| 13 | 20×20 Shed | 400 | $8,000–$35,000 to build | 1,900 |
| 14 | 4×6 Shed | 24 | $450–$700 to build | 1,500 |
| 15 | 6×6 Shed | 36 | $650–$950 to build | 1,200 |
| 16 | 16×20 Shed | 320 | $6,500–$28,000 to build | 1,100 |
| 17 | 16×24 Shed | 384 | $7,200–$31,000 to build | 900 |
| 18 | 16×40 Shed | 640 | $12,000–$50,000 to build | 900 |
| 19 | 4×8 Shed | 32 | $550–$850 to build | 900 |
| 20 | 7×7 Shed | 49 | $800–$4,500 to build | 900 |
| 21 | 12×14 Shed | 168 | $2,800–$15,000 to build | 900 |
| 22 | 14×40 Shed | 560 | $15,000–$35,000 to build | 800 |
| 23 | 6×10 Shed | 60 | $950–$5,200 to build | 800 |
| 24 | 10×14 Shed | 140 | $3,200–$16,500 to build | 800 |
| 25 | 16×16 Shed | 256 | $8,000–$20,000 to build | 700 |
| 26 | 8×16 Shed | 128 | $2,800–$13,500 to build | 700 |
| 27 | 20×30 Shed | 600 | $20,000–$50,000 to build | 600 |
| 28 | 14×20 Shed | 280 | $9,000–$22,000 to build | 600 |
| 29 | 12×30 Shed | 360 | $8,000–$35,000 to build | 500 |
| 30 | 12×40 Shed | 480 | $11,000–$45,000 to build | 500 |
| 31 | 20×40 Shed | 800 | $18,000–$80,000 to build | 500 |
| 32 | 12×32 Shed | 384 | $9,000–$38,000 to build | 500 |
| 33 | 6×12 Shed | 72 | $1,800–$8,500 to build | 500 |