Composite Deck Cost in Maryland
A Composite deck in Maryland 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. Maryland labor 0.92× national. Chesapeake humidity favors composite.
Composite cost by deck size in Maryland
Mid-tier Composite (TimberTech Pro Legacy) at Maryland'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 30″ frost depth.
Composite product lines in Maryland
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.
Maryland-specific notes
Get a precise Composite quote for Maryland
Open the Composite Deck Calculator with MD pre-selected to dial in your exact size, board line, and railing choices.
FAQ — Composite in Maryland
How much does a Composite deck cost in Maryland?▾
In Maryland, Composite decking costs $32-$87/sqft installed (national $35-$95/sqft × Maryland'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 Maryland's climate?▾
Maryland'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 Maryland?▾
Maryland permit fees typically run $105-$259 depending on jurisdiction and project value — most calculators use max(regional baseline $140, 1.2% of project value). MD permits $200-350. Critical Area Commission reviews for waterfront decks.
How deep do footings need to be for a Composite deck in Maryland?▾
Maryland's frost depth is approximately 30″. Composite 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 Composite worth the money in Maryland?▾
Composite vs PT pine over 25 years in Maryland: 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.
Other states for Composite deck cost
Get matched
Want 2–3 free quotes for this exact deck?
We'll send your plan to vetted local builders. Free, no obligation.