How much does a composite deck building cost in Philadelphia?

A composite deck building in Philadelphia typically costs $9,742-$23,815, 8% above the $14,000 national average.

What is the cost per sq ft for a composite deck building in Philadelphia?

Composite Deck Building in Philadelphia typically costs $43-$87 per sq ft.

How long does a composite deck building take?

A composite deck building typically takes 5-7 days. The minimum timeline is 3 days, and complex projects can run 2-3 weeks.

Can I DIY a composite deck building?

DIY feasibility for a composite deck building is rated Partial.

Cost to Composite Deck Building in Philadelphia, PA (2026)

If you’re budgeting a composite deck building in Philadelphia, most projects run $9,742-$23,815, 8% above the $14,000 national average. What moves that number most is usually one thing: Deck Size. On its own it can swing the cost by $3,000 - $15,000+, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Choose entry-level composite over premium lines. Trex Enhance or Fiberon Basics deliver solid performance at $5-$7/sq ft vs. $10-$14 for premium boards - saving $1,500-$2,100 on a 300 sq ft deck.

In the Northeast (where Philadelphia sits): Higher labor rates, shorter building season drives up demand.

$9,742-$23,815 in Philadelphia

8% above the national average · 1.08x cost multiplier

Expect to pay $9,742-$23,815 for a composite deck building in Philadelphia, about 8% above the national benchmark. The Northeast region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at Philadelphia prices.

Cost Breakdown in Philadelphia

Line Item	Low	Mid	High
Cost per sq ft	$43	$60	$87
Materials	$4,995	$8,325	$15,540
Labor	$4,192	$7,860	$12,575
Permits	$277	$388	$555
Total	$9,464+5% vs. national avg	$17,294+8% vs. national avg	$30,335+8% vs. national avg

Budget

Entry-level composite (Trex Enhance or Fiberon), ground-level, basic railing, simple rectangular layout, $30-$45/sq ft for 300 sq ft

Mid-Range

Mid-tier composite (Trex Select or TimberTech), standard height, upgraded railing system, $45-$65/sq ft for 300 sq ft

Premium

Premium composite (Trex Transcend or Azek), multi-level or elevated, aluminum railing, built-in lighting, $65-$100+/sq ft for 300 sq ft

Material Options

Material prices below are national averages; availability in Philadelphia may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Trex Enhance	$5-$7/sq ft (material)	Most affordable Trex line, good color selection, 25-year warranty	Less scratch resistance than premium lines, fewer color options	Budget-conscious builds where composite is preferred over woodMost affordable Trex line, good color selection, 25-year warranty
Trex Select	$7-$9/sq ft (material)	Better fade and stain resistance, more natural wood grain, 25-year warranty	Mid-range price, still not as premium as Transcend	Most popular mid-range choice, good balance of price and performanceBetter fade and stain resistance, more natural wood grain, 25-year warranty
Trex Transcend	$10-$14/sq ft (material)	Best Trex aesthetics, deep wood grain, superior scratch resistance, 25-year warranty	Premium pricing, heavy boards	Premium builds where appearance is a priorityBest Trex aesthetics, deep wood grain, superior scratch resistance, 25-year warranty
TimberTech / Azek	$7-$12/sq ft (material)	Capped polymer (Azek) is virtually maintenance-free, excellent color retention, 30-50 year warranties	Higher cost, Azek can feel less wood-like underfoot	Homeowners wanting maximum longevity and minimal maintenanceCapped polymer (Azek) is virtually maintenance-free, excellent color retention, 30-50 year warranties
Fiberon	$5.50-$9/sq ft (material)	Competitive pricing, solid warranty, good color options	Less brand recognition, fewer dealer options in some regions	Value-oriented builds, comparable quality to Trex at a lower priceCompetitive pricing, solid warranty, good color options

Other Projects in Philadelphia

Full Kitchen Remodel

Full Bathroom Remodel

Roof Replacement (Asphalt Shingles)

Back to national average for Composite Deck Building

Philadelphia Estimate

Typical Range

$9,742-$23,815

vs. National Average

8% above national

Cost Multiplier

1.08x

Cost Per sq ft

$43-$87

This 1.08x estimate prices Philadelphia labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →