Second Story Deck Cost: What to Expect in PA & NJ (2026)
VM Power Decks
Deck Building Expert
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Elevated decks cost 50-100% more than ground-level builds. Here's exactly why, what drives the price, and real numbers from recent Lehigh Valley projects.
A second-story deck in the Lehigh Valley or Poconos typically costs $25,000 to $55,000for a 12x16 ft composite build. That's roughly 50-100% more than an equivalent ground-level deck. Here's where that extra money goes and how to budget accurately.
Why elevated decks cost more
- Structural posts and footings: A second-story deck needs 10-14 ft posts set in concrete footings dug below the frost line (42 inches in PA). Ground-level decks often use simple deck blocks.
- Engineering requirements: Most PA townships require stamped engineering plans for elevated decks. That's $500-$1,500 before construction starts.
- Beefier framing: Longer spans and higher loads require larger joists (2x10 or 2x12 instead of 2x8), more hardware, and cross-bracing.
- Stairs: A staircase from 10+ feet up requires 15-20 steps, a landing, and railings on both sides. Stairs alone can add $3,000-$8,000.
- Safety and access: Working at height means scaffolding, fall protection, and slower installation. Labor costs are 30-50% higher than ground-level work.
Cost breakdown by component
| Component | Ground-level | Second-story |
|---|---|---|
| Footings & posts | $500-$1,500 | $2,500-$5,000 |
| Framing & hardware | $2,000-$4,000 | $4,000-$8,000 |
| Decking (composite) | $3,000-$5,000 | $3,000-$5,000 |
| Railings | $1,500-$3,000 | $2,500-$5,000 |
| Stairs | $500-$1,500 | $3,000-$8,000 |
| Permits & engineering | $200-$500 | $700-$2,000 |
| Total (12x16 ft) | $12,000-$18,000 | $25,000-$55,000 |
Ways to reduce cost
- Use composite decking with pressure-treated framing instead of all-composite or steel framing. The framing is hidden, so it doesn't affect appearance.
- Go rectangular. Angles, curves, and bump-outs add 15-25% to framing labor. A simple rectangle maximizes usable space per dollar.
- Skip the under-deck ceiling if you don't plan to use the space below. An under-deck drainage system with ceiling panels adds $3,000-$6,000.
- Build in fall or winter. We offer 5-10% off on projects scheduled November through February when our crew availability is higher.
Permits and inspections in PA
Every second-story deck in Pennsylvania requires a building permit. In Lehigh and Northampton counties, you'll need a plot plan showing setbacks, engineered drawings (for decks over 30 inches), and typically two inspections: one for footings and one final. We handle all the paperwork and scheduling. The permit process usually takes 2-4 weeks.
Ready to get a real number for your elevated deck? Start with our cost calculator or request a free on-site consultation.
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