KMI’s April 2026 Cost Index reflects a stable but complex construction cost environment, with overall building, construction, and labor costs holding flat at 0.00% month-over-month, indicating a predictable bidding climate. However, beneath this stability, commodity-level volatility persists, with cement (+1.60%) and structural steel (+1.20%) continuing to rise, while plywood (+0.80%) and gypsum (+0.20%) show incremental increases and lumber declines (-2.10%). At the same time, regional construction costs still vary widely, ranging from approximately $188/SF to $285/SF, reinforcing the importance of localized benchmarking. The key takeaway: while escalation has paused, cost risk remains active at the material and project level, making procurement timing and disciplined cost management critical in today’s market.
Click on the link above to view the latest cost data for April 2026.