Regional Cost Guide · Updated March 2026

How Much Does a Deck Cost in CT? (2026)

CT is a high-cost market — expect to pay $48–$72/sqft installed for composite decking, 15–25% above the national average due to labor costs and permit requirements.

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CT Deck Cost by Material

MaterialInstalled (CT)vs. National Avg
Pressure Treated Wood$32–$55/sqft+10–15%
Composite (entry: Trex Enhance)$48–$62/sqft+15–20%
Composite (premium: Trex Transcend)$55–$72/sqft+15–20%
PVC (AZEK, Trex Signature)$55–$85/sqft+15–25%

Installed price includes decking, framing, basic railing, one stair set, permits, and labor. Excludes demo of existing deck.

Why CT Decks Cost More

Labor ratesCarpenter billing rates: $65–$100/hr in CT metros vs. $40–$60/hr in the South and Midwest.
Frost line depth48–60 inches in most of CT — footings must go deeper, requiring more concrete and labor.
Permit requirementsCT municipalities tend to have more detailed permit requirements and higher fees.
Material logisticsNorthern winters compress the deck building season, increasing contractor demand and pricing during peak months.

CT Deck Cost by Size

12×16 (192 sqft)

Composite (Trex Enhance)

$12K–$19K

Premium (Trex Transcend)

$17K–$25K

16×20 (320 sqft)

Composite (Trex Enhance)

$19K–$30K

Premium (Trex Transcend)

$26K–$38K

20×24 (480 sqft)

Composite (Trex Enhance)

$28K–$43K

Premium (Trex Transcend)

$38K–$55K

24×30 (720 sqft)

Composite (Trex Enhance)

$43K–$65K

Premium (Trex Transcend)

$58K–$82K

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Frequently Asked Questions

How much does a deck cost in CT?+
A composite deck in CT costs $48–$72/sqft installed — among the higher ranges nationally due to labor costs. A 400 sqft composite deck (Trex Enhance or equivalent) runs $4800–$7200 in most CT markets. Premium composite (Trex Transcend, AZEK) runs $55–$85/sqft. Pressure treated wood runs $32–$55/sqft in CT.
Why are deck costs higher in CT?+
CT is a high-cost labor market. Carpenter billing rates run $65–$100/hr in most CT metros vs. $40–$60/hr in the South and Midwest. Additionally, deep frost lines (48–60 inches) require more concrete and deeper footings vs. southern states. Permit costs and inspection requirements also tend to be higher.

Related Guides

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Composite Deck Cost Guide

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Trex Deck Cost Guide

Enhance vs Select vs Transcend pricing.