ZIP Code 37128 Construction Cost Estimating & Crew Wage Index (Murfreesboro, TN)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 37128 in Murfreesboro, Rutherford County, Tennessee. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 37128 Calibration Card
- Jurisdiction
- Rutherford County
- ZIP Labor Index
- 88.6
- Material Freight Index
- 99.7
- Composite Multiplier
- 0.94x (93.6)
- Coordinates
- 35.8454, -86.4867
ZIP 37128 (Murfreesboro, TN) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Predominantly Open-Shop / Right-to-Work bidding in Rutherford County (88.6 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 37128 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $69.55/hr | $18.35/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $66.27/hr | $20.97/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $67.51/hr | $9.17/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $57.50/hr | $222.77/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $70.35/hr | $3978/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $58.92/hr | $9.59/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $63.88/hr | $32.29/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 37128
Tennessee Prevailing Wage Act limited primarily to state highway work; federal Davis-Bacon on TVA/DOE Oak Ridge.