Written and reviewed by the CostBrick editorial team · Last updated 2026-10-28 · How we calculate · Estimates are planning ranges, not quotes.
Deck Installation Contractors in Illinois — 2026 Cost Guide
Local planning ranges, what drives the price in Midwest, and how to get free quotes from licensed Illinois contractors.
Typical Illinois cost ranges
| Pressure-treated wood | $5,100 – $12,200 |
| Composite | $10,200 – $22,400 |
| PVC / vinyl | $12,200 – $26,500 |
| Hardwood (ipe, mahogany) | $15,300 – $30,600 |
Adjusted for Illinois labor and permitting (county health departments enforce strict setback distances.). Not a quote.
What drives cost in Illinois
- County health departments enforce strict setback distances..
- Scope, materials grade, access and code/permit requirements.
- Season and contractor availability in your metro.
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Related
Deck Installation cost in Illinois · Deck Installation guide · Verify a contractor license
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