Quick Answer: PA/NJ Deck Costs 2026
$20-35
Wood /sq ft
$40-55
Composite /sq ft
$50-75
Premium /sq ft
*Installed prices including materials and labor. Railings add 10-20%.
Deck Cost Per Square Foot
Installed prices for PA & NJ in 2026.
| Material | Low | High | Notes |
|---|---|---|---|
| Pressure-Treated Wood | $20 | $35 | Most affordable option |
| Cedar Deck | $30 | $45 | Natural beauty, mid-range |
| Standard Composite | $40 | $55 | Trex Select, TimberTech Edge |
| Premium Composite | $50 | $65 | Trex Transcend, TimberTech Legacy |
| PVC/Capped Composite | $55 | $75 | AZEK, TimberTech Pro |
| Ipe Hardwood | $60 | $85 | Exotic hardwood, longest lasting |
Deck Cost by Size
What to expect for common deck sizes.
| Deck Size | 🪵 Wood | 🏠 Composite | ⭐ Premium |
|---|---|---|---|
| 10x10 (100 sq ft) | $2,000-$3,500 | $4,000-$5,500 | $5,000-$7,500 |
| 12x12 (144 sq ft) | $2,880-$5,040 | $5,760-$7,920 | $7,200-$10,800 |
| 12x16 (192 sq ft) | $3,840-$6,720 | $7,680-$10,560 | $9,600-$14,400 |
| 14x20 (280 sq ft) | $5,600-$9,800 | $11,200-$15,400 | $14,000-$21,000 |
| 16x20 (320 sq ft) | $6,400-$11,200 | $12,800-$17,600 | $16,000-$24,000 |
| 20x20 (400 sq ft) | $8,000-$14,000 | $16,000-$22,000 | $20,000-$30,000 |
What Affects Deck Cost?
Deck Size
Larger decks cost more but price per sq ft decreases with size due to economies of scale.
Material Choice
Composite costs 50-100% more than wood initially but saves on maintenance.
Deck Height
Ground-level decks are cheapest. Elevated decks require more posts, beams, and labor.
Shape & Features
Multi-level, curves, built-in benches, and lighting add 10-30% to cost.
What's Included in Our Quotes
Design consultation & 3D rendering
All permit applications & fees
Footings, posts & framing
Decking material & installation
Standard railings & stairs
Final inspection & cleanup
Warranty documentation
Deck Cost FAQs
How much does a deck cost per square foot?
In PA/NJ: Pressure-treated wood costs $20-35/sq ft. Standard composite costs $40-55/sq ft. Premium composite (Trex Transcend, TimberTech Legacy) costs $50-75/sq ft installed.
How much does a 12x12 deck cost?
A 12x12 deck (144 sq ft) costs approximately $2,880-$5,040 for wood, $5,760-$7,920 for composite, or $7,200-$10,800 for premium composite. Add 10-20% for railings.
Is composite worth the extra cost?
For most homeowners, yes. While composite costs 50-100% more upfront, it requires no staining, won't rot, and lasts 25-50 years. Over 25 years, total cost is often less than wood.
Ready to Build?
Explore our deck building services to find the right fit for your budget and style.
Deck Costs vs. Full Outdoor Living Budget
The numbers above are the deck itself. Many Lehigh Valley homeowners expand scope to include adjacent outdoor-living features. Here's where they spend, and what to budget for each:
Pool Decks →
Expect $45-80/sq ft for composite or PVC around pools — water-resistant materials + slip-resistant finishes add 15-20% over standard deck pricing.
Pergolas →
Kit pergolas start $3,500-6,000 installed; custom louvered-roof aluminum pergolas run $15,000-35,000 depending on span and motorization.
Custom Decks →
Multi-level, integrated benches, cable rail, inlay borders add 25-40% on top of base composite pricing. Average custom build runs $30-60K.