Composite Deck Cost in Florida
A Composite deck in Florida costs $32-$87/sqft installed with the state's 0.92× labor multiplier (South). Generic composite covers the entire wood-plastic-composite + capped composite + PVC market — Trex, TimberTech, Fiberon, Deckorators, MoistureShield, Wolf, Zuri, NewTechWood, DuraLife. Average 25-yr lifespan + no maintenance is the value vs PT pine which needs annual staining. Florida's salt-air + UV combo is the toughest US deck environment. Marine-grade Trex Pro Platinum dealers stock specific corrosion-rated hardware.
Composite cost by deck size in Florida
Mid-tier Composite (TimberTech Pro Legacy) at Florida's 0.92× labor multiplier — ~$53/sqft installed.
Cost ranges include materials + labor + standard railing. Excludes permit ($140 baseline + 1.2% of project value), demolition (if replacing), and footings for 0″ frost depth.
Composite product lines in Florida
Composite installed cost ranges from $35/sqft (entry tier like Trex Enhance Basics) to $95/sqft (luxury PVC like AZEK Harvest). National median is $50-58/sqft for a mid-tier 2026-Q1 build — multiply by your state labor multiplier for local pricing.
Florida-specific notes
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Open the Composite Deck Calculator with FL pre-selected to dial in your exact size, board line, and railing choices.
FAQ — Composite in Florida
How much does a Composite deck cost in Florida?▾
In Florida, Composite decking costs $32-$87/sqft installed (national $35-$95/sqft × Florida's 0.92× labor multiplier). A typical 16×20 (320 sqft) Composite deck lands around $19,200. Mid-tier TimberTech Pro Legacy runs about $16,960 for the same scope.
Which Composite line is best for Florida's climate?▾
Florida's humid climate favors capped composite or PVC over generic composite — Fiberon Sanctuary 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 Composite deck in Florida?▾
Florida permit fees typically run $105-$259 depending on jurisdiction and project value — most calculators use max(regional baseline $140, 1.2% of project value). FL hurricane requirements — check local code for uplift connectors. Permit fees $200-400.
How deep do footings need to be for a Composite deck in Florida?▾
Florida's frost depth is approximately 0″. Composite doesn't change the footing requirement — that's IRC R403.1.4-driven by frost line. Use Sonotube 10″ for typical loads. Verify with your local building department since AHJs sometimes require deeper depths than the state-published value.
Is Composite worth the money in Florida?▾
Composite vs PT pine over 25 years in Florida: PT pine = ~$28/sqft installed + ~$2/sqft/yr maintenance (stain/seal annually) = $85/sqft total. Composite mid-tier = $53/sqft installed + $0 maintenance = $53/sqft total. Composite typically wins the 25-yr TCO comparison by 20-40%, plus better resale value.