Home Improvement Costs in Illinois
Aggregated cost estimates, BLS labor wages, climate-driven booking windows, and project calculators across 4 Illinois cities. Use the cost-comparison links to drill into any single calculator and see how the local multiplier swings the estimate from one metro to another.
Region: Midwest · IECC climate zone 5A · older brick and frame housing with mature urban cores.
Cities covered
4
Calculator pages with local multipliers
Climate zone
5A
hot humid summers and cold winters with strong seasonal swings
Housing stock (median)
1969
42% built before 1970
Primary scope concern
freeze-thaw, humidity, and tornado season
Drives bid premiums for affected scopes
Illinois Cities by Cost Multiplier
Higher multiplier = pricier metro vs national average| City | Population | Cost multiplier | vs U.S. average |
|---|---|---|---|
| Chicago | 2,693,976 | 0.92× | -8.0% |
| Naperville | 149,540 | 0.90× | -10.0% |
| Rockford | 148,655 | 0.77× | -23.0% |
| Peoria | 113,150 | 0.78× | -22.0% |
Multipliers blend BLS metro CPI (where available), regional CPI, and an ACS state income/home-value signal. See the methodology for full sourcing.
Local Labor Rates Near Illinois
State-level mean hourly wages from BLS OEWS, May 2023.
| Trade | SOC | Mean hourly (IL) | vs national | Loaded billing rate |
|---|---|---|---|---|
| CarpentersMost relevant | 47-2031 | $38.63 | +33.4% | ~$93/hr |
| PaintersMost relevant | 47-2141 | $36.28 | +46.4% | ~$87/hr |
| Electricians | 47-2111 | $43.98 | +36.5% | ~$106/hr |
| Plumbers & Pipefitters | 47-2152 | $47.12 | +43.5% | ~$113/hr |
| HVAC Mechanics | 49-9021 | $36.05 | +25.8% | ~$87/hr |
| Roofers | 47-2181 | $34.90 | +34.9% | ~$84/hr |
| Construction Laborers | 47-2061 | $34.93 | +53.3% | ~$84/hr |
"Mean hourly" is the BLS OEWS state-level cross-industry mean wage paid to the worker. Loaded billing rate is a typical 2.4× multiple used in residential bids to cover overhead, insurance, taxes, vehicle, and contractor margin. Use it as a sanity check on a quoted hourly rate.
Recent National Cost Trends
Regional CPI moves with the national construction PPI but lags by 1–2 months. Watch this index before locking in a long-bid project in Illinois.
Residential Construction PPI — Trailing 12 Months
BLS series PCU236211236211, single-family construction producer prices.
200.1
+0.9% vs Mar 25
The PPI is the wholesale price of materials and labor that contractors pay, before margin. A rising index usually flows into homeowner quotes within 2–4 months. Use this trend to decide whether to pull a project forward or wait.
When to Schedule Each Trade in Illinois
Best months derived from NOAA climate normals: heating/cooling degree days, freeze months, and precipitation.
| Trade | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Roof replacement & repair | ✕ | ✕ | · | ★ | ★ | · | · | · | ★ | ★ | · | ✕ |
| Exterior painting | ✕ | ✕ | · | ★ | ★ | · | · | · | ★ | ★ | · | ✕ |
| Interior painting | ★ | ★ | ★ | · | · | · | · | · | · | · | · | ★ |
| Concrete (driveways, slabs, footings) | ✕ | ✕ | · | ★ | ★ | · | · | · | ★ | ★ | · | ✕ |
| HVAC install or replacement | · | · | ★ | ★ | · | · | · | · | ★ | ★ | · | · |
| Landscaping & sod / planting | ✕ | ✕ | ★ | ★ | ★ | · | · | · | ★ | ★ | · | ✕ |
| Decks, fences, pergolas | ✕ | ✕ | · | ★ | ★ | · | · | · | ★ | ★ | · | ✕ |
| Siding replacement | ✕ | ✕ | · | ★ | ★ | · | · | · | ★ | ★ | · | ✕ |
| Windows & exterior doors | ✕ | ✕ | · | ★ | ★ | · | · | · | ★ | ★ | · | ✕ |
Calculators with Illinois City Comparisons
Each link opens a state-level cost comparison across every Illinois city we cover for that calculator.
Appliance
Bathroom
Electrical
Exterior
- Power Washing
- Deck Building
- Siding Installation
- Window Replacement
- Door Installation
- Garage Door Installation
- Exterior Painting
- Garage Floor Coating
- Stucco Repair
- Deck Staining
- Pergola Installation
- Gazebo Installation
- Porch Enclosure
- Screen Enclosure
- Awning Installation
- Concrete Patio
- Paver Patio
- Walkway Installation
- Sidewalk Repair
- Driveway Installation
- Concrete Repair
- Retaining Wall
- Foundation Repair
- Foundation Waterproofing
- Basement Waterproofing
- Crawl Space Encapsulation
- Sump Pump Installation
- Masonry Repair
- Brick Repair
- Fence Installation