Primary ZIP 29401 · Charleston County, SC
Construction Estimating & Material Takeoffs in Charleston, SC
Win more residential, commercial, civil, and industrial bids in Charleston, South Carolina (Charleston County) with CSI Divisions 01–48 quantity takeoffs calibrated to local ZIP 29401 crew wages (89.6 cost index). 24–48 hour delivery, flat fee from $80.
Charleston Bid Metrics
- Primary USPS ZIP
- 29401
- City Labor Index
- 82.5
- Material Index
- 98.3
- Composite Index
- 89.6
- GPS Reference
- 32.779, -79.937
Charleston, SC Calibrated Construction Assembly Benchmarks
Installed commercial cost benchmarks adjusted by Charleston’s 0.90x local composite multiplier.
| CSI Code | Commercial Construction Assembly | Unit | Charleston Installed Rate | Trade Takeoff Link |
|---|---|---|---|---|
| 03 30 53 | 6" Reinforced Industrial Slab-on-Grade (4,000 PSI + Vapor Barrier) | SF | $7.12 / SF | Concrete Takeoff |
| 05 12 23 | ASTM A992 Structural Wide-Flange Framing (Fab + Erected) | TON | $3808 / TON | Steel Takeoff |
| 07 54 23 | 60-Mil TPO Roof System + R-30 Polyiso Tapered Insulation | SQ | $797 / SQ | Roofing Takeoff |
| 09 29 00 | 1-Hr UL Metal Stud & 5/8" Type X Drywall Partition (Level 4) | SF | $9.18 / SF | Drywall Takeoff |
| 23 31 13 | SMACNA 2" WG Galvanized Rectangular HVAC Ductwork | LB | $7.03 / LB | HVAC Takeoff |
| 26 05 33 | Commercial 480V Power Distribution, EMT Conduit & LED Package | SF | $17.56 / SF | Electrical Takeoff |
Charleston Code & Permitting Context
South Carolina Building Codes Council mandatory IBC, IRC, NEC, IPC, IMC, and IFGC statewide.
Charleston dual high-hazard Seismic Category D + Hurricane wind-load design (rare East Coast Liquefaction/EQ + Wind combination!).
Charleston County Labor & Active Sectors
No state prevailing wage law; Davis-Bacon governs Savannah River Site DOE and military port contracts.
Automotive, EV & Aerospace Assembly (Upstate & Charleston)
Port of Charleston Logistics
Coastal Hospitality & Master-Planned Communities
Nuclear/Energy
22 CSI Trade Estimating Services Serving Charleston, SC
General Construction (Div 01–48)
Electrical (Div 26–28)
Mechanical (Div 23 & 40)
HVAC (Div 23)
Plumbing (Div 22)
MEP Combined (Div 21, 22, 23, 26–28)
Fire Protection (Div 21 & 28)
Concrete (Div 03)
Masonry (Div 04)
Structural Steel (Div 05)
Carpentry & Wood (Div 06)
Roofing & Siding (Div 07)
Drywall & Insulation (Div 07 & 09)
Flooring (Div 09)
Painting & Coatings (Div 09 & 07)
Doors, Windows & Glazing (Div 08)
Excavation & Sitework (Div 31)
Civil & Infrastructure (Div 32–33)
Landscaping & Hardscape (Div 32)
Specialty & Technology (Div 10–14, 27–28, 48)
Demolition & Restoration (Div 02)
Industrial & Process (Div 40–46)