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Deck & Patio Cost in Illinois
Updated for 2025 • Climate Zone 5A • Labor costs 10% above national average
Low
$17
Average
$39
High
$77
per sq ft • 10% above national average
Deck & Patio in Illinois: What You Need to Know
Illinois homeowners should consider local climate and building codes when planning this project. Get quotes from local contractors for accurate pricing.
Calculate Your Deck & Patio Cost in Illinois
Estimate Your Deck & Patio Cost
Your Estimated Cost
Low
$2,970
Average
$6,930
High
$13,860
Labor Rate Adjustment+10%
Slightly above national average
Material Choice-40%
Budget-friendly option
Estimates are for planning purposes. Actual costs vary by project specifics, contractor, and market conditions.