USPS ZIP 29401
Charleston · Charleston County, SC
ZIP Code 29401 Construction Cost Estimating & Crew Wage Index (Charleston, SC)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 29401 in Charleston, Charleston County, South Carolina. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 29401 Calibration Card
- Jurisdiction
- Charleston County
- ZIP Labor Index
- 78.5
- Material Freight Index
- 96.8
- Composite Multiplier
- 0.87x (86.7)
- Coordinates
- 32.7795, -79.9371
ZIP 29401 (Charleston, SC) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Predominantly Open-Shop / Right-to-Work bidding in Charleston County (78.5 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 29401 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $61.62/hr | $16.99/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $58.72/hr | $19.42/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $59.82/hr | $8.50/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $50.95/hr | $206.35/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $62.33/hr | $3685/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $52.20/hr | $8.89/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $56.60/hr | $29.91/CY | From $95 |
SC Building & NEC Code Notes
South Carolina Building Codes Council mandatory IBC, IRC, NEC, IPC, IMC, and IFGC statewide.
Site & Environmental Scope Factors
Charleston dual high-hazard Seismic Category D + Hurricane wind-load design (rare East Coast Liquefaction/EQ + Wind combination!).
Prevailing Wage Rules in ZIP 29401
No state prevailing wage law; Davis-Bacon governs Savannah River Site DOE and military port contracts.
Order a ZIP 29401 Takeoff in Any of Our 22 CSI Trade Divisions
General Construction
Electrical
Mechanical
HVAC
Plumbing
MEP Combined
Fire Protection
Concrete
Masonry
Structural Steel
Carpentry & Wood
Roofing & Siding
Drywall & Insulation
Flooring
Painting & Coatings
Doors, Windows & Glazing
Excavation & Sitework
Civil & Infrastructure
Landscaping & Hardscape
Specialty & Technology
Demolition & Restoration
Industrial & Process