How much does it cost to build a 8x12 shed?
About $3,551 to $4,102 in materials for an 8x12 shed (96 square feet, also written 12x8), or $36.99 to $42.73 per square foot. The figures are our plans engine's priced materials list for this exact size, framing to roofing.
8x12 gable shed: $3,670 to $4,102
| Siding and roofing | Materials | Per sq ft |
|---|---|---|
| LP SmartSide siding, asphalt shingles | $3,670 | $38.23 |
| LP SmartSide siding, metal roof | $3,805 | $39.63 |
| T1-11 siding, asphalt shingles | $3,860 | $40.21 |
| Board and batten siding, asphalt shingles | $3,968 | $41.33 |
| T1-11 siding, metal roof | $3,995 | $41.61 |
| Board and batten siding, metal roof | $4,102 | $42.73 |
Where the money goes (LP SmartSide siding and asphalt shingles)
| Part | Cost | Share |
|---|---|---|
| Plywood, OSB and siding panels | $1,130 | 31% |
| Framing lumber | $860 | 23% |
| Roofing | $428 | 12% |
| Trim and finishing | $403 | 11% |
| Nails, screws and fasteners | $392 | 11% |
| Door and window parts | $216 | 6% |
| Foundation (skids, blocks, gravel) | $182 | 5% |
| Hardware | $60 | 2% |
Optional extras the plan lists but leaves out of the total come to about $22 more.
8x12 Gable Shed plans: cut list, drawings and the full materials list · Price your own options in the free calculator
8x12 lean-to shed: $3,551 to $3,995
| Siding and roofing | Materials | Per sq ft |
|---|---|---|
| LP SmartSide siding, asphalt shingles | $3,551 | $36.99 |
| LP SmartSide siding, metal roof | $3,654 | $38.06 |
| T1-11 siding, asphalt shingles | $3,747 | $39.03 |
| T1-11 siding, metal roof | $3,850 | $40.10 |
| Board and batten siding, asphalt shingles | $3,892 | $40.54 |
| Board and batten siding, metal roof | $3,995 | $41.61 |
Where the money goes (LP SmartSide siding and asphalt shingles)
| Part | Cost | Share |
|---|---|---|
| Plywood, OSB and siding panels | $1,152 | 32% |
| Framing lumber | $807 | 23% |
| Trim and finishing | $419 | 12% |
| Nails, screws and fasteners | $361 | 10% |
| Roofing | $360 | 10% |
| Door and window parts | $216 | 6% |
| Foundation (skids, blocks, gravel) | $182 | 5% |
| Hardware | $55 | 2% |
Optional extras the plan lists but leaves out of the total come to about $22 more.
8x12 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 an 8x8 shed costs to build (64 sq ft)
- What an 8x10 shed costs to build (80 sq ft)
- What a 10x10 shed costs to build (100 sq ft)
- What a 10x12 shed costs to build (120 sq ft)
Questions
How much does it cost to build a 8x12 shed?
About $3,551 to $4,102 in materials at typical US big-box prices, depending on the roof style, siding and roofing you choose: $36.99 to $42.73 per square foot of floor. Tax, delivery, paint and labor are extra.
What makes a 8x12 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 $432 more; For the lean-to version, LP SmartSide siding and asphalt shingles is cheapest and board and batten siding and a metal roof costs $444 more.
Is a 12x8 shed the same price?
Yes: a 12x8 shed has the same 96 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.