Deck Installation Cost in New Hampshire
Estimated 2026 installed range: $6,100 – $14,600
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Open the calculatorCost by system type in New Hampshire
| Option | Low | High |
|---|---|---|
| Pressure-treated wood | $6,100 | $14,600 |
| Composite | $12,200 | $26,800 |
| PVC / vinyl | $14,600 | $31,700 |
| Hardwood (ipe, mahogany) | $18,300 | $36,600 |
| Aluminum | $9,800 | $22,000 |
Local cost factors
Statewide drivers: Northeast conditions and local labor rates. In New Hampshire, bedrock and slope are the dominant cost factors.