Concrete Slab Cost in Montana
Estimated 2026 installed range: $2,400 – $4,800
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Open the calculatorCost by system type in Montana
| Option | Low | High |
|---|---|---|
| 4-inch slab (400 sq ft) | $2,400 | $4,800 |
| 6-inch slab (400 sq ft) | $3,200 | $6,400 |
| Reinforced slab | $3,600 | $7,600 |
| Slab with footings | $4,000 | $8,000 |
| Stamped / decorative | $5,200 | $10,000 |
Local cost factors
Statewide drivers: West conditions and local labor rates. In Montana, remote sites and short construction seasons raise labor costs.