Garage cost calculator

Garage cost calculator
A 24x24 2-car garage, 9 ft walls, 576 sq ft. Preliminary checks passed for the loads you entered. Local approval not checked. 1 item for your builder or engineer: seismic design category.
- About $11,900
- $7,420.00
- $4,485.00
- $20.67
Next: design this 24x24 free, in 3D
- 37 of 41 lines at store prices; 4 from published ranges ($2,787 to $6,183); 0 need a quote.
- Labor if you hire it out: $11,520 to $28,800 at $20 to $50 per sq ft (Angi, Sep 2026). A broad reference from published price guides, not a quote or a forecast for your site.
- Slab by a contractor instead: $2,880 to $5,760 at $5 to $10 per sq ft installed (HomeGuide, Jan 2026)
| Group | Lines | Cost |
|---|---|---|
| Foundation | 4 | $2,093.56 |
| Lumber | 17 | $1,459.98 |
| Trusses | 2 | est. $2,600.00 |
| Sheathing and siding | 4 | $1,901.84 |
| Roofing | 6 | $1,562.24 |
| Doors and windows | 3 | $1,918.20 |
| Hardware | 5 | $369.18 |
Every line, with the store, the date and the product
| Item | Qty | Price |
|---|---|---|
| Ready-mix concrete, 3,500 psi, air-entrained 5 to 7% | 11.5 cubic yards | est. $1,530 |
| Crushed stone base under the slab, 4 in | 7.9 cubic yards | est. $356 |
| Rebar #4, 20 ft | 11 pieces | $157.08 |
| Anchor bolts, 1/2 x 10 in, with nut and washer | 26 pieces | $51.48 |
| 2x4 pressure-treated, 8 ft | 1 board | $4.88 |
| 2x4 pressure-treated, 10 ft | 1 board | $8.38 |
| 2x4 pressure-treated, 16 ft | 4 boards | $59.12 |
| 2x8 framing lumber, 8 ft | 2 boards | $20.50 |
| 2x8 framing lumber, 10 ft | 1 board | $12.82 |
| 2x6 framing lumber, 8 ft | 2 boards | $17.24 |
| 2x6 framing lumber, 12 ft | 2 boards | $25.84 |
| 2x6 framing lumber, 16 ft | 3 boards | $51.66 |
| 2x4 framing lumber, 8 ft | 3 boards | $12.75 |
| 2x4 framing lumber, 10 ft | 64 boards | $471.04 |
| 2x4 framing lumber, 12 ft | 19 boards | $167.96 |
| 2x4 framing lumber, 16 ft | 8 boards | $94.24 |
| 1x6 fascia board, primed, 8 ft | 8 boards | $127.36 |
| 1x6 fascia board, primed, 12 ft | 6 boards | $146.16 |
| 1x4 trim board, primed, 8 ft | 3 boards | $30.66 |
| 1x4 trim board, primed, 12 ft | 1 board | $16.23 |
| 1x4 trim board, primed, 16 ft | 9 boards | $193.14 |
| Common trusses | 11 trusses | est. $2,200 |
| Gable-end trusses | 2 trusses | est. $400 |
| Panel siding, APA-rated plywood, 19/32 in, 4 x 8 ft | 32 sheets | $1,496.96 |
| Z-flashing for the siding joint, 10 ft | 11 pieces | $38.28 |
| OSB roof sheathing, 7/16 in, 4 x 8 ft | 26 sheets | $354.38 |
| Panel sheathing clips (H-clips), 7/16 in, pack of 50 | 3 packs | $12.22 |
| Synthetic roof underlayment, roll of about 900 sq ft | 1 roll | $108.00 |
| Asphalt shingles, bundle of about 33 sq ft | 24 bundles | $1,247.52 |
| Starter strip shingles, bundle of 120 ft | 1 bundle | $54.98 |
| Hip and ridge cap shingles, bundle of 25 ft | 1 bundle | $57.78 |
| Drip edge, 10 ft | 12 pieces | $72.96 |
| Roofing nails, 1-1/4 in, 5 lb box | 3 boxes | $21.00 |
| Overhead door, 16' x 7', sectional, with track and spring | 1 door | $1,231.30 |
| Prehung steel walk door, 36 x 80 in | 1 door | $400.18 |
| Window, 3 x 3 ft, single hung, with nailing fin | 2 windows | $286.72 |
| Framing nails, 16d common, 5 lb box | 4 boxes | $26.98 |
| Siding nails, 8d galvanized, 5 lb box | 7 boxes | $37.74 |
| Sheathing nails, 8d common, 5 lb box | 4 boxes | $26.98 |
| Hurricane ties, H2.5A or equal, one at each truss end | 26 pieces | $25.48 |
| LVL door header, 2 plies of 1-3/4 x 11-7/8 in, 2.0E, 16' 6" long | 2 pieces | $252.00 |
The calculator prices the materials list of a real design, line by line: the slab and footing concrete, every stud, plate and header, the trusses, sheathing and siding, roofing, doors and hardware. A 24x24 two-car garage with a 16 ft door and 9 ft walls comes to about $11,900 in materials ($11,905.00 exactly, before sales tax, delivery, labor and site work). Change the size, the cars or your loads and the estimate follows, with the same numbers as the designer and the plan. Want the whole story, size by size? Read the cost guide.
What each free design costs
| Free design | Sq ft | Materials, about | Per sq ft | Labor if hired | Checks |
|---|---|---|---|---|---|
| 12x22 garage plans | 264 | $7,639 | $28.94 | $5,280 to $13,200 | Preliminary checks passed for the loads you entered |
| 14x24 garage plans | 336 | $8,649 | $25.74 | $6,720 to $16,800 | Preliminary checks passed for the loads you entered |
| 20x20 garage plans | 400 | $9,507 | $23.77 | $8,000 to $20,000 | Preliminary checks passed for the loads you entered |
| 24x24 garage plans | 576 | $11,905 | $20.67 | $11,520 to $28,800 | Preliminary checks passed for the loads you entered |
| 24x30 garage plans | 720 | $15,325 | $21.28 | $14,400 to $36,000 | Preliminary checks passed for the loads you entered |
| 24x36 garage plans | 864 | $19,423 | $22.48 | $17,280 to $43,200 | Preliminary checks passed for the loads you entered |
| 30x30 garage plans | 900 | $18,608 | $20.68 | $18,000 to $45,000 | Preliminary checks passed for the loads you entered |
| 30x40 garage plans | 1,200 | $23,167 | $19.31 | $24,000 to $60,000 | Preliminary checks passed for the loads you entered |
Where the money goes
| Group | Cost | Share | Lines |
|---|---|---|---|
| Trusses | $2,600.00 | 22% | 2 |
| Foundation | $2,093.56 | 18% | 4 |
| Doors and windows | $1,918.20 | 16% | 3 |
| Sheathing and siding | $1,901.84 | 16% | 4 |
| Roofing | $1,562.24 | 13% | 6 |
| Lumber | $1,459.98 | 12% | 17 |
| Hardware | $369.18 | 3% | 5 |
How the prices were read
Questions
Anything else? Write to us or read the guides.
Questions about garage cost
Materials for our 20x20 two-car design, a 16 ft door, a walk door, a window and a slab, come to about $9,500 ($9,507.35 exactly, before sales tax, delivery, labor and site work). So a small garage fits under that figure when you build it yourself and the site is level; hiring the work out adds $8,000 to $20,000 for the 20x20 in the published labor ranges, and a bigger garage starts higher.
For our 24x24 design the materials come to $20.67 per sq ft ($11,905.00 for 576 sq ft, slab concrete included), at Lowe's, Home Depot, Summertown Metals price list, read Sep 30, 2026 to Oct 25, 2026. Hiring the build out adds $11,520 to $28,800, which is $20 to $50 per sq ft in the published labor figures.
$11,520 to $28,800 at $20 to $50 per sq ft (Angi, Sep 2026), which for a 24x24 is $11,520 to $28,800. If a contractor pours the slab instead of you: $2,880 to $5,760 at $5 to $10 per sq ft installed (HomeGuide, Jan 2026). These are broad references from price guides, not a quote for your site.