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10x12 Shed: Materials List and Cost
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Cost breakdown (one real 10x12 build)
| Part | Cost | What it covered |
|---|---|---|
| Foundation | $877 | Pressure-treated 4x6 timbers, 3/4-inch gravel, rebar, 4x4 skid system, 2x6 joists, plywood floor |
| Framing | $655 | Wall framing, double 2x6 door header, 2x6 lean-to rafters, blocking |
| Roofing | $947 | OSB roof sheathing, drip edge, flashing tape, architectural shingles |
| Windows, doors, trim | $445 | Three custom acrylic windows ($57 total), double doors, trim, vents |
| Siding and paint | $860 | Wood composite lap siding, primer and paint |
| Total | $3,785 | Builder says $515 under budget |
Source: Fix This Build That, DIY 10x12 modern shed. The page's itemized categories sum to $3,784; the builder reports $3,785.
Main materials by stage
- Foundation and floor: pressure-treated lumber (4x6 timbers, 4x4 skids, 2x6 joists 16 inches on center), gravel, 3/4-inch plywood. A slab would have cost $960 to $1,440, the builder says.
- Walls and roof: framing lumber, 7/16-inch OSB wall sheathing, house wrap, 2x6 rafters at a 2:12 pitch (house wrap is counted in the builder's roofing and sheathing step).
- Weatherproofing: drip edge, flashing tape, architectural shingles, Z-flashing at the siding base.
- Finish: trim, windows, double doors with six hinges, paint.
This page doesn't give a stud-by-stud lumber count. For a cut list and full materials list, use a plan set. Compare options in our shed plans guide, then price your list at your local lumberyard.
Other price points
Bob Vila (citing Angi) puts average storage shed kits at $1,500 to $4,000, a wood-built shed at $3,000 to $15,000, and a foundation poured as a concrete slab at about $4,000 to $12,300 if required. Skids, it says, can save $1,000 or more over concrete where codes allow.
What will your shed cost?
Our free calculator compares building it yourself, buying a kit and hiring a builder for your exact size.
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How much does it cost to build a 10x12 shed?
One documented DIY build, the Fix This Build That 10x12 lean-to, cost $3,785 in materials, which the builder says was under budget and under half the price of a comparable pre-built unit he saw at over $8,600. Your cost depends on materials, siding, doors and local prices.
Is it cheaper to build or buy?
Bob Vila, citing Angi, says building a custom shed typically runs $60 to $150 per square foot, while assembling a kit costs about $10 to $20 per square foot plus the kit. A 10x12 is 120 square feet. The DIY example above works out to about $32 per square foot in materials.
Do I need a permit for a 10x12?
A 10x12 is 120 square feet. The International Residential Code exempts many one-story accessory buildings up to 200 square feet, but towns differ. See our permit guide.
Get a cut list and materials list
A good set of plans gives you a cut list, a materials list and drawings for every step, which saves money on wasted lumber and time on head-scratching. See our guide to choosing shed plans, free and paid.
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