ZIP Code 20001 Construction Cost Estimating & Crew Wage Index (Washington, DC)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 20001 in Washington, District of Columbia County, District of Columbia. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 20001 Calibration Card
- Jurisdiction
- District of Columbia County
- ZIP Labor Index
- 112.3
- Material Freight Index
- 103.6
- Composite Multiplier
- 1.08x (108.4)
- Coordinates
- 38.9122, -77.0177
ZIP 20001 (Washington, DC) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Strong Union / Prevailing Wage bidding in District of Columbia County (112.3 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 20001 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $88.16/hr | $21.25/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $84.00/hr | $24.28/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $85.57/hr | $10.62/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $72.88/hr | $257.99/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $89.17/hr | $4607/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $74.68/hr | $11.11/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $80.97/hr | $37.40/CY | From $95 |
DC Building & NEC Code Notes
DC Construction Codes Supplement (IBC/NEC/Green Construction Code), Building Energy Performance Standards (BEPS), and GSA PBS-P100 federal specs.
Site & Environmental Scope Factors
Height-of-Buildings Act deep below-grade post-tensioned parking mats, blast-resistant federal glazing, and congested urban staging.
Prevailing Wage Rules in ZIP 20001
Federal Davis-Bacon Act + DC Service Contract/First Source mandates govern federal and municipal work.