Why Late-Stage Cost Overruns Are Symptoms of a Larger Problem

March 31, 2026

Cost overruns have long been a familiar outcome in commercial construction. What has changed is how owners react.

Higher interest rates, tighter capital conditions and continued volatility across labor and material markets have narrowed the margin for error. Financial surprises that once might have been absorbed through contingency or minor scope adjustments now escalate quickly and draw senior-level attention.

The persistence of cost overruns is vexing, since project oversight has increased. Cost reporting is more frequent. Forecasting is more detailed. Owners are more directly engaged in budget discussions throughout the project lifecycle. In theory, these developments should have reduced cost instability.

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