How much does it cost to build a 12x12 shed?
About $4,299 to $4,895 in materials for a 12x12 shed (144 square feet, also written 12x12), or $29.85 to $33.99 per square foot. The figures are our plans engine's priced materials list for this exact size, framing to roofing.
12x12 gable shed: $4,436 to $4,895
| Siding and roofing | Materials | Per sq ft |
|---|---|---|
| LP SmartSide siding, asphalt shingles | $4,436 | $30.81 |
| LP SmartSide siding, metal roof | $4,547 | $31.58 |
| T1-11 siding, asphalt shingles | $4,596 | $31.92 |
| T1-11 siding, metal roof | $4,707 | $32.69 |
| Board and batten siding, asphalt shingles | $4,784 | $33.22 |
| Board and batten siding, metal roof | $4,895 | $33.99 |
Where the money goes (LP SmartSide siding and asphalt shingles)
| Part | Cost | Share |
|---|---|---|
| Plywood, OSB and siding panels | $1,500 | 34% |
| Framing lumber | $1,033 | 23% |
| Roofing | $521 | 12% |
| Trim and finishing | $460 | 10% |
| Nails, screws and fasteners | $424 | 10% |
| Foundation (skids, blocks, gravel) | $237 | 5% |
| Door and window parts | $216 | 5% |
| Hardware | $45 | 1% |
Optional extras the plan lists but leaves out of the total come to about $44 more.
12x12 Gable Shed plans: cut list, drawings and the full materials list · Price your own options in the free calculator
12x12 lean-to shed: $4,299 to $4,652
| Siding and roofing | Materials | Per sq ft |
|---|---|---|
| LP SmartSide siding, asphalt shingles | $4,299 | $29.85 |
| T1-11 siding, asphalt shingles | $4,459 | $30.97 |
| Board and batten siding, asphalt shingles | $4,652 | $32.30 |
3 combinations left out: a metal roof needs more pitch than this shed's 2/12 roof.
Where the money goes (LP SmartSide siding and asphalt shingles)
| Part | Cost | Share |
|---|---|---|
| Plywood, OSB and siding panels | $1,460 | 34% |
| Framing lumber | $1,051 | 24% |
| Trim and finishing | $476 | 11% |
| Roofing | $411 | 10% |
| Nails, screws and fasteners | $393 | 9% |
| Foundation (skids, blocks, gravel) | $237 | 6% |
| Door and window parts | $216 | 5% |
| Hardware | $55 | 1% |
Optional extras the plan lists but leaves out of the total come to about $44 more.
12x12 Lean-To Shed plans: cut list, drawings and the full materials list · Price your own options in the free calculator
What isn't in the price
Not included: sales tax, delivery, paint or stain, a permit if your town needs one, tools, and labor if you hire a builder. Prices are typical US big-box shelf prices for 2025-26 and move up or down by about a third with region and season, so check your local store before you buy.
Similar sizes
- What a 10x12 shed costs to build (120 sq ft)
- What an 8x16 shed costs to build (128 sq ft)
- What a 10x14 shed costs to build (140 sq ft)
- What a 10x16 shed costs to build (160 sq ft)
Questions
How much does it cost to build a 12x12 shed?
About $4,299 to $4,895 in materials at typical US big-box prices, depending on the roof style, siding and roofing you choose: $29.85 to $33.99 per square foot of floor. Tax, delivery, paint and labor are extra.
What makes a 12x12 shed cost more?
Siding and roofing move the price most. For the gable version, LP SmartSide siding and asphalt shingles is cheapest and board and batten siding and a metal roof costs $459 more; For the lean-to version, LP SmartSide siding and asphalt shingles is cheapest and board and batten siding and asphalt shingles costs $353 more.
Is a 12x12 shed the same price?
Yes: a 12x12 shed has the same 144 square feet, and the materials are the same whichever way round you write it.
The plans are a guide: check local codes, and your building department, before you build.