ZIP Code 60431 Construction Cost Estimating & Crew Wage Index (Joliet, IL)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 60431 in Joliet, Will County, Illinois. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 60431 Calibration Card
- Jurisdiction
- Will County
- ZIP Labor Index
- 130.1
- Material Freight Index
- 102.2
- Composite Multiplier
- 1.18x (117.5)
- Coordinates
- 41.4712, -87.9391
ZIP 60431 (Joliet, IL) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Strong Union / Prevailing Wage bidding in Will County (130.1 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 60431 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $102.13/hr | $23.03/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $97.31/hr | $26.32/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $99.14/hr | $11.52/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $84.43/hr | $279.65/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $103.30/hr | $4994/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $86.52/hr | $12.04/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $93.80/hr | $40.54/CY | From $95 |
IL Building & NEC Code Notes
Chicago Building Code (mandating EMT/rigid metal conduit & cast-iron/copper DWV in key occupancies) + Illinois Energy Conservation Code statewide.
Site & Environmental Scope Factors
42-inch frost depth, Chicago caisson/belled-pier foundations to hardpan, winter concrete heating enclosures, and strict urban union rules.
Prevailing Wage Rules in ZIP 60431
Illinois Prevailing Wage Act (820 ILCS 130) mandates county-specific prevailing wages + fringe benefits on all public works.