How much does a deck cost in Chicago, IL?
Wood or composite deck with railings and stairs. Priced against Chicago, IL material costs, a typical DIY deck in Chicago runs about $3,785 in materials — 16% above the national average. These are estimates only, not a quote — enter your real dimensions in the free calculator for a shopping list matched to your build.
Estimates only — not a quote.
Chicago cost breakdown
| Estimate | Low | Typical | High |
|---|---|---|---|
| Chicago (DIY materials) | $3,217 | $3,785 | $5,110 |
| National average | $2,774 | $3,263 | $4,405 |
Priced from the Chicago, IL material index — 16% above the national average. Based on a common-size deck; enter your own dimensions for an exact number.
DIY materials estimate: $3,785. A contractor in the Chicago market (materials plus about 70 labor hours at ~$78/hr) estimates to $8,993–$12,059. Estimated DIY savings: $6,435 (63%).
A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 42 in frost depth.
Outside city limits, Cook County is typically the permitting authority.
Get your exact Chicago price
The planner opens pre-filled with the same typical deck behind the numbers above — change any answer to match your build and the price updates instantly.
Frequently asked questions
How much does a deck cost in Chicago, IL?
Materials typically run $3,217–$5,110 for a common-size project using Chicago-area pricing. That is an estimate, not a quote — our free calculator prices your exact dimensions.
Is it cheaper to DIY or hire a contractor in Chicago?
DIY materials estimate to about $3,785. A local contractor estimates to $8,993–$12,059 at the Chicago-area labor rate of roughly $78/hr, so DIY could save an estimated $6,435 (63%).
Do I need a permit for a deck in Chicago?
A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 42 in frost depth. Cook County and the City of Chicago rules can be stricter than the state baseline — run the free permit lookup for your ZIP before buying materials.
Why is Chicago deck pricing different from the national average?
We apply a regional material cost index for the Chicago market — currently 16% higher than the national average. Labor is indexed separately at about $78/hr for the contractor comparison.
Other projects in Chicago
Deck cost in nearby cities
Looking at the whole state? Deck cost in Illinois.