Delaware’s construction industry in 2025 is navigating a dynamic cost environment. After several years of pandemic-related volatility, the market has stabilized somewhat, but tariffs on imported metals, rising energy costs, and labor shortages continue to reshape project budgets.
Reports from Gordian’s Quarterly Construction Cost Insights show that while Q2 2025 prices held steady, volatility returned in Q3 2025 as tariffs on steel, copper, and aluminum pushed costs upward. Meanwhile, Delaware’s adoption of 2021 IECC energy codes is driving demand for energy-efficient windows, insulation, and HVAC systems, adding new estimating challenges.
For estimators, the key to success in 2025 is anticipating volatility, locking in supplier contracts, and building contingencies into bids.
Delaware 2025 Material Price Trends
| Material | 2025 Trend (Delaware) | Key Drivers | Estimating Considerations |
|---|---|---|---|
| Steel | Rising due to tariffs and energy costs | Trade policy, global demand, domestic mill capacity | Add 5–10% contingency; consider domestic sourcing |
| Lumber | Stabilizing after pandemic volatility | Housing demand, supply chain recovery | Monitor seasonal demand; bulk purchasing for subdivisions |
| Concrete | Moderate increases expected | Energy costs, transportation, aggregate availability | Budget for regional delivery surcharges |
| Copper | Significant upward pressure | Tariffs, renewable energy demand, EV infrastructure | Lock in supplier contracts early |
| Aluminum | Rising costs due to import restrictions | Tariffs, aerospace and automotive demand | Factor in long-lead procurement |
| Glass & Windows | Stable but trending higher with energy-efficient codes | IECC 2021 adoption, demand for triple-pane systems | Budget for ENERGY STAR-certified products |
| Insulation | Slight increase with green building demand | Sustainability goals, IECC compliance | Include premium pricing for spray foam and rigid board |
| Labor Costs | Rising across trades | Skilled worker shortages in New Castle & Kent County | Budget for overtime and labor premiums |
Key Insights for Estimators
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- Metals Under Pressure – Steel, copper, and aluminum are trending upward due to tariffs and global demand. Estimators should lock in contracts early and add contingency allowances.
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- Concrete & Energy Costs – Concrete prices are tied to energy and transportation, with delivery surcharges especially in coastal Delaware.
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- Lumber Stabilization – Lumber has stabilized compared to 2021–2023 volatility, but seasonal housing demand could trigger short-term spikes.
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- Green Building Push – Delaware’s adoption of 2021 IECC standards is driving demand for energy-efficient windows, insulation, and HVAC systems.
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- Labor Shortages – Skilled trades remain scarce, especially in New Castle and Kent Counties, requiring higher hourly rates and overtime.
Real-World Example: Wilmington Warehouse Project
A contractor estimating a 250,000 sq. ft. warehouse in Wilmington:
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- Added $1.5M contingency for steel tariffs.
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- Budgeted $800K for concrete with regional delivery surcharges.
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- Included $300K for energy-efficient windows and insulation upgrades.
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- Factored in $500K for labor premiums due to shortages.
By locking in supplier contracts early and leveraging bulk purchasing agreements, the project remained competitive despite rising costs.
Why This Matters for Delaware Estimators
| Outcome | Benefit to Developers & Contractors |
|---|---|
| Profit Protection | Avoids margin erosion from volatile material costs |
| Competitive Advantage | Accurate bids win more projects in a tight market |
| Compliance Assurance | Meets IECC and DNREC sustainability requirements |
| Risk Reduction | Contingency planning minimizes delays and disputes |
| Client Confidence | Transparent estimates build trust with investors and buyers |
Additional Considerations
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- Tariff Impacts: Metals are the most vulnerable to trade policy shifts.
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- Energy Costs: Rising fuel and electricity prices affect concrete, steel, and glass production.
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- Supply Chain Resilience: Contractors are increasingly sourcing domestically to avoid delays.
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- Future Outlook: If tariffs persist, 2026 could see further escalation in metal costs, making early procurement strategies vital.
Final Thoughts
Delaware’s construction market in 2025 is shaped by tariffs, energy costs, and sustainability goals. Estimators must remain proactive, using historical data, supplier contracts, and contingency planning to navigate volatility. By watching steel, copper, concrete, and labor trends, developers can deliver projects that are both competitive and resilient.
At MSB Estimating, we provide CSI-formatted takeoffs tailored to Delaware’s evolving market, helping contractors stay ahead of material price trends.
Need Help with 2025 Estimates?
Contact MSB Estimating today for accurate, market-aware estimates that protect your bottom line.
