Deck Building Cost in Philadelphia (2026)
Average cost in Philadelphia
US$2,300 — US$20,000
US$30 — US$70 per sq ft
Cost Breakdown
ItemizedProfessional installation and site prep
45%
Decking boards, framing, and hardware
40%
Overhead, profit, and project management
12%
L&I building and trade permits
3%
Sales Tax at 6%
📋What's Included
ScopeTypically 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
InteractiveEstimated Cost
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 providersF Rossi General Contractors
13440 Damar Dr, Philadelphia, PA 19116, USA
48 reviews
Limitless Construction - Deck Builder and Outdoor Kitchens
880 N Wales Rd, Blue Bell, PA 19422, USA
45 reviews
Expert General Contracting
3622 Genesee Pl, Philadelphia, PA 19154, USA
149 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 dataAggregated from 11+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
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.