USPS ZIP 57783
Spearfish · Lawrence County, SD
ZIP Code 57783 Construction Cost Estimating & Crew Wage Index (Spearfish, SD)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 57783 in Spearfish, Lawrence County, South Dakota. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 57783 Calibration Card
- Jurisdiction
- Lawrence County
- ZIP Labor Index
- 81.7
- Material Freight Index
- 99.1
- Composite Multiplier
- 0.90x (89.5)
- Coordinates
- 44.4946, -103.8650
ZIP 57783 (Spearfish, SD) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Predominantly Open-Shop / Right-to-Work bidding in Lawrence County (81.7 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 57783 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $64.13/hr | $17.54/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $61.11/hr | $20.05/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $62.26/hr | $8.77/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $53.02/hr | $213.01/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $64.87/hr | $3804/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $54.33/hr | $9.17/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $58.91/hr | $30.88/CY | From $95 |
SD Building & NEC Code Notes
State Electrical & Plumbing Commissions statewide + municipal 2021 IBC adoption in Sioux Falls and Rapid City.
Site & Environmental Scope Factors
54–60 inch frost depth, Pierre shale expansive soil remediation, Black Hills granite excavation, and winter concreting.
Prevailing Wage Rules in ZIP 57783
No state prevailing wage statute; federal Davis-Bacon drives massive Ellsworth AFB defense construction.
Order a ZIP 57783 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