# Home renovation costs in Illinois (2026)

> Illinois runs about 8% above the national average for construction in 2026 (cost index 1.08, ranked #15 of 51 US states + DC).

**Quick answer:** A bathroom remodel in Illinois costs $9,700–$19,400 in 2026. Chicago union labor and permitting sit well above the national average; downstate runs far cheaper.

## 2026 cost table for Illinois
| Project | Range in IL | Typical |
| --- | --- | --- |
| Bathroom remodel | $9,700 – $19,400 | $14,600 |
| Kitchen remodel | $15,700 – $45,400 | $30,500 |
| Roof replacement | $8,600 – $21,600 | $15,100 |
| Deck / patio | $4,900 – $13,000 | $8,900 |
| Solar install | $16,200 – $30,200 | $23,200 |
| Room addition | $51,800 – $118,800 | $85,300 |
| Interior painting | $2,400 – $7,000 | $4,700 |

Method: national mid-range cost bands × the Illinois cost-of-construction index (1.08). Illustrative ranges, not quotes — see https://raftercost.com/how-we-price.

## Midwest comparison (cost index)
- Minnesota: 1.07 — https://raftercost.com/costs/minnesota
- Wisconsin: 0.99 — https://raftercost.com/costs/wisconsin
- North Dakota: 0.96 — https://raftercost.com/costs/north-dakota
- Michigan: 0.95 — https://raftercost.com/costs/michigan

## Get an exact price
- Up to 3 free quotes from vetted Illinois pros: https://raftercost.com/quotes
- Adjust any project for size and finish: https://raftercost.com/calculators

Source: https://raftercost.com/costs/illinois