DeckMath
Trex · Missouri · 2026-Q1 retail

Trex Deck Cost in Missouri

A Trex deck in Missouri costs $38-$95/sqft installed with the state's 1.00× labor multiplier (Midwest). Trex is the largest composite decking brand in North America with ~35% market share. 3 main lines compete on price-vs-performance: Enhance (entry), Transcend (premium), Signature (luxury heat-mitigation cap). Missouri labor 1.00× national. Mid-spectrum frost depth 24-30″.

1.00× labor$67/sqft medianFrost 24humid climate28-yr lifespan
$/sqft low
$38
Trex Enhance Naturals
$/sqft median
$67
Trex Enhance Basics
$/sqft high
$95
Trex Signature (Lineage)
Frost depth
24″
footing depth required

Trex cost by deck size in Missouri

Mid-tier Trex (Trex Enhance Basics) at Missouri's 1.00× labor multiplier — ~$35/sqft installed.

Size
Low (entry)
Median (mid)
High (luxury)
10×12 (120 sqft)
$4,560
$4,200
$9,000
12×16 (192 sqft)
$7,296
$6,720
$14,400
16×20 (320 sqft)
$12,160
$11,200
$24,000
20×24 (480 sqft)
$18,240
$16,800
$36,000

Cost ranges include materials + labor + standard railing. Excludes permit ($175 baseline + 1.2% of project value), demolition (if replacing), and footings for 24″ frost depth.

Trex product lines in Missouri

Trex installed cost ranges from $38/sqft (Enhance Naturals on PT framing) to $95/sqft (Signature on engineered framing + premium railing). National median is $52/sqft for a mid-tier Transcend deck — multiply by your state labor multiplier for local pricing.

Trex Enhance Naturals
$38/sqft
Entry composite · $38 national × 1.00× Missouri labor
Trex Enhance Basics
$35/sqft
Entry composite · $35 national × 1.00× Missouri labor
Trex Transcend
$52/sqft
Premium composite · $52 national × 1.00× Missouri labor
Trex Signature (Lineage)
$75/sqft
Luxury heat-cap · $75 national × 1.00× Missouri labor

Missouri-specific notes

Labor multiplier
1.00×
Midwest region labor pricing applied to all installed costs.
Frost depth
24″
Footings must extend below frost line per IRC R403.1.4.
Climate
humid
Salt-air coastal areas: use 316SS hardware regardless of brand.
Top metros
Kansas City · St. Louis · Springfield
Major metros driving installer availability + pricing pressure.
Permit fee
$131-$324
MO permits $130-220.
Warranty
25-yr fade + 25-yr structural (lifetime structural on Transcend/Signature)
25-yr fade + 25-yr structural (lifetime structural on Transcend/Signature)

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Open the Trex Deck Calculator with MO pre-selected to dial in your exact size, board line, and railing choices.

FAQ — Trex in Missouri

How much does a Trex deck cost in Missouri?

In Missouri, Trex decking costs $38-$95/sqft installed (national $38-$95/sqft × Missouri's 1.00× labor multiplier). A typical 16×20 (320 sqft) Trex deck lands around $21,440. Mid-tier Trex Enhance Basics runs about $11,200 for the same scope.

Which Trex line is best for Missouri's climate?

Missouri's humid climate favors capped composite or PVC over generic composite — Trex Transcend performs best in this environment. Salt-air coastal areas (Gulf Coast, Atlantic) need 316SS hardware regardless of brand.

What's the permit fee for a Trex deck in Missouri?

Missouri permit fees typically run $131-$324 depending on jurisdiction and project value — most calculators use max(regional baseline $175, 1.2% of project value). MO permits $130-220.

How deep do footings need to be for a Trex deck in Missouri?

Missouri's frost depth is approximately 24″. Trex doesn't change the footing requirement — that's IRC R403.1.4-driven by frost line. Use Sonotube 10-12″ depending on tributary area. Verify with your local building department since AHJs sometimes require deeper depths than the state-published value.

Is Trex worth the money in Missouri?

Trex vs PT pine over 25 years in Missouri: PT pine = ~$30/sqft installed + ~$3/sqft/yr maintenance (stain/seal annually) = $93/sqft total. Trex mid-tier = $35/sqft installed + $0 maintenance = $35/sqft total. Trex typically wins the 25-yr TCO comparison by 20-40%, plus better resale value.

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