Primary ZIP 19801 · New Castle County, DE
Construction Estimating & Material Takeoffs in Wilmington, DE
Win more residential, commercial, civil, and industrial bids in Wilmington, Delaware (New Castle County) with CSI Divisions 01–48 quantity takeoffs calibrated to local ZIP 19801 crew wages (103 cost index). 24–48 hour delivery, flat fee from $80.
Wilmington Bid Metrics
- Primary USPS ZIP
- 19801
- City Labor Index
- 105.4
- Material Index
- 100
- Composite Index
- 103
- GPS Reference
- 39.738, -75.550
Wilmington, DE Calibrated Construction Assembly Benchmarks
Installed commercial cost benchmarks adjusted by Wilmington’s 1.03x local composite multiplier.
| CSI Code | Commercial Construction Assembly | Unit | Wilmington Installed Rate | Trade Takeoff Link |
|---|---|---|---|---|
| 03 30 53 | 6" Reinforced Industrial Slab-on-Grade (4,000 PSI + Vapor Barrier) | SF | $8.19 / SF | Concrete Takeoff |
| 05 12 23 | ASTM A992 Structural Wide-Flange Framing (Fab + Erected) | TON | $4378 / TON | Steel Takeoff |
| 07 54 23 | 60-Mil TPO Roof System + R-30 Polyiso Tapered Insulation | SQ | $917 / SQ | Roofing Takeoff |
| 09 29 00 | 1-Hr UL Metal Stud & 5/8" Type X Drywall Partition (Level 4) | SF | $10.56 / SF | Drywall Takeoff |
| 23 31 13 | SMACNA 2" WG Galvanized Rectangular HVAC Ductwork | LB | $8.09 / LB | HVAC Takeoff |
| 26 05 33 | Commercial 480V Power Distribution, EMT Conduit & LED Package | SF | $20.19 / SF | Electrical Takeoff |
Wilmington Code & Permitting Context
County/municipal IBC & IECC adoption across New Castle, Kent, and Sussex counties; statewide Delaware Electrical Inspection.
Coastal FEMA VE/AE flood-elevation pilings along Atlantic beaches and Mid-Atlantic freeze-thaw exterior masonry detailing.
New Castle County Labor & Active Sectors
Delaware Prevailing Wage Law (29 Del. C. §6960) applies to public construction > $500K new or > $45K renovation.
Chemical & Specialty Materials R&D
Corporate Banking Campuses
Port of Wilmington Cold Storage
Coastal Residential/Hospitality
22 CSI Trade Estimating Services Serving Wilmington, DE
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)