Deck Cost in Illinois: 2026 City-by-City Guide

Compare local costs across 4 Illinois cities. State range: $5,760 – $17,080 for a 400 sq ft home.

🌿 Illinois
📍 4 Cities Covered
📅 Updated May 2026

Deck Cost Costs Across Illinois

Illinois deck cost costs range from $5,760 to $17,080 for a 400 sq ft home, depending on city, local labor market, and project specifics. More affordable markets include smaller and mid-size cities with lower contractor demand; premium metros like Naperville and Rockford typically run above the state average due to higher labor costs.

All prices below reflect local labor and material cost adjustments for each city. Individual project quotes may vary based on home size, material choice, site conditions, and the specific contractor selected.

City-by-City Deck Cost Cost Table

CityTypical Cost (2,000 sq ft)vs. National Avg.
Aurora $6,600 – $15,400 ↑ Above avg.
Chicago $7,320 – $17,080 ↑ Above avg.
Naperville $6,720 – $15,680 ↑ Above avg.
Rockford $5,760 – $13,440 ↓ Below avg.

Popular Illinois Cities for Deck Cost

Other Home Improvement Services in Illinois

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Market Insight

Composite decking demand is rising fastest in humid Southeast climates where wood rot is a chronic maintenance cost. In dry Southwest markets, pressure-treated wood still offers better 10-year value.

💡 Illinois Tips

Costs vary significantly across Illinois — from budget-friendly smaller cities to premium urban markets. Clicking through to your specific city gives you the most accurate local estimate and connects you with local contractors.

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