Deck Installation Cost in Delaware
Estimated 2026 installed range: $5,400 – $13,000
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Open the calculatorCost by system type in Delaware
| Option | Low | High |
|---|---|---|
| Pressure-treated wood | $5,400 | $13,000 |
| Composite | $10,800 | $23,800 |
| PVC / vinyl | $13,000 | $28,100 |
| Hardwood (ipe, mahogany) | $16,200 | $32,400 |
| Aluminum | $8,600 | $19,400 |
Local cost factors
Statewide drivers: South conditions and local labor rates. In Delaware, flat, wet lots frequently need mounded systems.