The August 2026 Cost Index reflects modest but continued upward movement entering Q3, with Building Cost increasing 0.50% and Construction Cost increasing 0.30%. Material Cost was again the primary driver, rising 1.00%, while labor remained flat, with both Common Labor and Skilled Labor showing 0.00% monthly change. The largest material increase was Steel Piling at 6.40%, indicating significant pressure in foundation, marine, and heavy structural support scopes. Lumber also increased 2.20%, while Structural Steel rose 0.70%, Reinforcing Bars Grade 60 increased 0.50%, and Cement showed the smallest movement at 0.40%. Overall, the August report points to a relatively stable bidding environment, but continued material movement reinforces the need to closely monitor commodity pricing, procurement timing, and targeted material contingencies.
Click on the link above to view the latest cost data for August 2026.