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How Much Do Home Improvement Projects Cost in Illinois?

Illinois labor rates are 14% above the national average. Get state-specific estimates for every major home project below.

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2026 Cost Data — Illinois
Illinois Project Cost Ranges
🏠 Roof Replacement Cost
$5,800 – $20,100
Illinois avg 2026 · click to calculate
❄️ HVAC Replacement Cost
$4,900 – $15,700
Illinois avg 2026 · click to calculate
☀️ Solar System Cost & Savings
$15,400 – $37,600
Illinois avg 2026 · click to calculate
🔨 Home Renovation Cost
$14,400 – $77,700
Illinois avg 2026 · click to calculate
🛀 Plumbing Repair Cost
$2,600 – $10,000
Illinois avg 2026 · click to calculate
⚡ Electrical Upgrade Cost
$3,100 – $11,900
Illinois avg 2026 · click to calculate
🪟 Window Replacement Cost
$4,600 – $15,000
Illinois avg 2026 · click to calculate
🏗️ Home Addition Cost
$20,500 – $94,000
Illinois avg 2026 · click to calculate
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About Illinois Home Improvement Costs

Illinois home improvement costs are based on regional labor rates from the US Bureau of Labor Statistics and contractor pricing data from Angi and RSMeans. Illinois’s labor index is 1.14 (national average = 1.00), meaning costs are above the national average by 14%.

Data Sources

Cost data sourced from RSMeans 2026, Angi True Cost Guide 2026, US Bureau of Labor Statistics regional wage data, and NREL (solar). Estimates are for informational purposes. Always obtain at least three quotes from licensed contractors before proceeding.

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