Deck Installation Cost in Connecticut
Estimated 2026 installed range: $6,500 – $15,600
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Open the calculatorCost by system type in Connecticut
| Option | Low | High |
|---|---|---|
| Pressure-treated wood | $6,500 | $15,600 |
| Composite | $13,000 | $28,600 |
| PVC / vinyl | $15,600 | $33,800 |
| Hardwood (ipe, mahogany) | $19,500 | $39,000 |
| Aluminum | $10,400 | $23,400 |
Local cost factors
Statewide drivers: Northeast conditions and local labor rates. In Connecticut, older homes often need full replacement plus Title V compliance upgrades.