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16×24 Composite Deck Cost in Connecticut (2026)
A 16×24 composite deck in Connecticut costs about $21,581 turnkey in 2026 ($56.20 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.
Estimate only. Actual prices vary. No guarantee or warranty. Use as a guide only. Read the full disclaimer
Itemized cost breakdown
| # | Item | Quantity | Installed |
|---|---|---|---|
| 1 | Concrete footings & post bases12 footings, 12" × 36" deep, 6×6 treated posts | 12 footings | $2,410 |
| 2 | Pressure-treated framing (joists 12" o.c.)25 2×10 joists, doubled 2×10 beams, flashed ledger | 25 joists + beams | $5,178 |
| 3 | Standard capped composite decking5.5" boards with picture-frame border | 922 lf | $6,372 |
| 4 | Composite railing system36" composite rails, posts & balusters | 52 lf | $4,445 |
| 5 | Stairs5 steps, 4 ft wide, composite treads & risers | 5 steps | $1,397 |
| 6 | Hidden fasteners & joist tapeDetails in the spec sheet | 🔒 Included in $19 spec sheet | $902 |
| 7 | Joist hangers, lags & structural screwsDetails in the spec sheet | 🔒 Included in $19 spec sheet | $467 |
| 8 | Permit & inspectionsDetails in the spec sheet | 🔒 Included in $19 spec sheet | $410 |
| Turnkey total | $21,581 |
Prices use 2026 material costs and typical local crew rates. Site work, custom options and material price swings can move your final price.
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How much does a 16×24 Composite Deck cost in Connecticut?
About $21,581 fully built by a local crew in 2026, or roughly $7,423 for the materials kit alone. Most fair bids land between $19,855 and $23,739.
What drives the price up or down?
Site prep (slope, soil, driveway access), floor choice, doors and insulation, and local labor rates. Lumber and steel prices also move a few percent a year.
Do I need a permit?
Most counties require a building permit for structures over 200 sq ft. Call your county building department with your size and location before you order materials.
How do I make sure I'm getting a fair quote?
Get at least 3 itemized bids for the same spec. Compare them line by line against this breakdown and ask about anything far above or below it.
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