ZIP Code 37403 Construction Cost Estimating & Crew Wage Index (Chattanooga, TN)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 37403 in Chattanooga, Hamilton County, Tennessee. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 37403 Calibration Card
- Jurisdiction
- Hamilton County
- ZIP Labor Index
- 83.8
- Material Freight Index
- 97.8
- Composite Multiplier
- 0.90x (90.1)
- Coordinates
- 35.0450, -85.2965
ZIP 37403 (Chattanooga, TN) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Predominantly Open-Shop / Right-to-Work bidding in Hamilton County (83.8 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 37403 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $65.78/hr | $17.66/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $62.68/hr | $20.18/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $63.86/hr | $8.83/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $54.39/hr | $214.44/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $66.54/hr | $3829/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $55.73/hr | $9.24/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $60.42/hr | $31.08/CY | From $95 |
TN Building & NEC Code Notes
Tennessee State Fire Marshal Commercial Building & Electrical Program + Metro Nashville, Memphis/Shelby, Knoxville, Chattanooga amendments.
Site & Environmental Scope Factors
Memphis/Shelby County New Madrid Seismic Category D structural steel/MEP bracing; Nashville middle-TN solid limestone rock trenching/blasting.
Prevailing Wage Rules in ZIP 37403
Tennessee Prevailing Wage Act limited primarily to state highway work; federal Davis-Bacon on TVA/DOE Oak Ridge.