Quick Answer

Deck Building Cost in Philadelphia (2026)

Average cost in Philadelphia

US$9,530avg

US$2,300 — US$20,000

US$30 — US$70 per sq ft

+4.2% YoY
11 sources
Updated 4 days ago
Greater Philadelphia

Cost Breakdown

Itemized
Labor

Professional installation and site prep

US$3,500 — US$8,500

45%

Materials

Decking boards, framing, and hardware

US$3,200 — US$7,500

40%

Contractor Markup

Overhead, profit, and project management

US$1,100 — US$2,500

12%

Permits & Fees

L&I building and trade permits

US$200 — US$1,000

3%

🧾Sales Tax (6%) — Pennsylvania
Base cost + $572 tax$10,102

Sales Tax at 6%

📋What's Included

Scope

Typically Includes

  • Pressure-treated lumber
  • Concrete footings
  • Railing system
  • Stairs (1 set)
  • Hardware & fasteners
  • Labor

Typically Excludes

  • Composite or hardwood decking
  • Built-in seating or planters
  • Pergola or roof
  • Lighting
  • Permits

Based on a standard 200 sq ft pressure-treated wood deck.

🧮Estimate Your Cost

Interactive

Estimated Cost

US$8,360

US$6,688 — US$10,032

Based on 11 sources and market data for Philadelphia. Actual costs may vary depending on specific project requirements.

📈Price Momentum

Year-over-year

~1 year ago

US$9,146

Today

US$9,530

Deck Building in Philadelphia is 4.2% compared to roughly a year ago — about US$384 more on the average project.

Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.

🏢Top Deck Build Contractors in Philadelphia

Verified providers
🔨

F Rossi General Contractors

13440 Damar Dr, Philadelphia, PA 19116, USA

5.0
★★★★★

48 reviews

🔨

Limitless Construction - Deck Builder and Outdoor Kitchens

880 N Wales Rd, Blue Bell, PA 19422, USA

5.0
★★★★★

45 reviews

🔨

Expert General Contracting

3622 Genesee Pl, Philadelphia, PA 19154, USA

4.9
★★★★½

149 reviews

🔨

Amazing Decks

11 S Ridge Ave, Ambler, PA 19002, USA

4.9
★★★★½

134 reviews

🔨

Smart Choice Construction LLC

625 N Chester Rd, Swarthmore, PA 19081, USA

4.9
★★★★½

79 reviews

Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.

💬What People Actually Paid

Community

Common Questions

Yes, a permit from the Department of Licenses and Inspections (L&I) is required for any deck more than 12 inches above grade. For simple projects, an 'EZ Deck Permit' is available, but complex builds require full plan reviews.

While the base residential building permit fee is approximately $79, total costs including zoning and trade permits typically range from $200 to $1,000 depending on the project's valuation and complexity.

Composite (like Trex) is highly recommended due to Philadelphia's 80-100 annual freeze-thaw cycles. While wood is 30-50% cheaper upfront ($15-$35/sq ft), it requires maintenance every 2 years that can cost $10,000+ over the deck's life.

Philadelphia has a strong union presence and stricter urban building codes, leading to a labor premium of approximately 20% compared to rural Pennsylvania. Skilled labor rates in the metro area average around $54-$58 per hour.

📊Our Methodology

How we collect data
1

Aggregated from 11+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

Community-reported project costs and reviews

Last data collection: 4 days ago. Updates run weekly. All costs in USD.

About this data

Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.

Spotted bad data? Let us know — we'll review and update.