USPS ZIP 19802
Wilmington · New Castle County, DE
ZIP Code 19802 Construction Cost Estimating & Crew Wage Index (Wilmington, DE)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 19802 in Wilmington, New Castle County, Delaware. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 19802 Calibration Card
- Jurisdiction
- New Castle County
- ZIP Labor Index
- 106.8
- Material Freight Index
- 100.5
- Composite Multiplier
- 1.04x (104)
- Coordinates
- 39.7564, -75.5340
ZIP 19802 (Wilmington, DE) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Mixed Union & Merit-Shop bidding in New Castle County (106.8 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 19802 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $83.84/hr | $20.38/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $79.89/hr | $23.30/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $81.38/hr | $10.19/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $69.31/hr | $247.52/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $84.80/hr | $4420/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $71.02/hr | $10.66/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $77.00/hr | $35.88/CY | From $95 |
DE Building & NEC Code Notes
County/municipal IBC & IECC adoption across New Castle, Kent, and Sussex counties; statewide Delaware Electrical Inspection.
Site & Environmental Scope Factors
Coastal FEMA VE/AE flood-elevation pilings along Atlantic beaches and Mid-Atlantic freeze-thaw exterior masonry detailing.
Prevailing Wage Rules in ZIP 19802
Delaware Prevailing Wage Law (29 Del. C. §6960) applies to public construction > $500K new or > $45K renovation.
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