By Sophie Lindqvist

198,000 construction workers quit their jobs in September, the highest monthly figure since the first half of 2023. The U.S. Bureau of Labor Statistics reported the number on Tuesday, and it lands on an industry already squeezed by data-center construction competing for the same skilled trades. Contractors now face a straightforward question: pay more to keep people, or risk paying more later to replace them.

Anirban Basu, chief economist for Associated Builders and Contractors (ABC), a trade group, supplied the historical framing. The September reading, he said, is the highest since the first half of 2023 — a period when post-pandemic churn was still working itself out of the system.

What does the quits number actually tell us?

A "quit" in BLS terminology is a voluntary resignation, not a layoff. High quits generally signal that workers believe they can find better terms elsewhere. That is the optimist's reading. The skeptic's reading is simpler: 198,000 people walked, and somebody had to replace them.

The trend is not a one-month blip. August saw 152,000 construction quits, according to the same reporting. Two consecutive months above 150,000 suggests the churn is structural rather than seasonal, though the BLS data cited here does not break down quits by trade, region or project type.

Basu himself flagged the ambiguity. The large number, he noted, could signify that the labor market is tightening — a claim worth stress-testing, since a single month's quits figure can overstate a trend.

How are contractors responding?

Not with layoffs. Basu said contractors "have responded by holding on to workers they otherwise might part with; industrywide layoffs are down by 56,000 year over year, and the layoff rate remains lower than in any month on record prior to 2020."

That retention reflex makes commercial sense. In a market where data-center builders are bidding up the same electricians and pipefitters, letting a worker go is effectively handing them to a competitor. The counterweight is that hoarding workers you do not strictly need carries its own cost — one nobody in the source data has yet quantified.

The September numbers on the other side of the ledger:

• Industry job openings rose by 36,000 in September, according to ABC.
• Openings were up by 92,000 from the same period a year earlier.
• Total industry employment, ABC noted, continued to grow steadily year over year.

Employment growing while quits and openings both climb is the textbook profile of a market reshuffling rather than shrinking. More jobs, more churn, fewer layoffs — the workers, for now, hold the leverage.

What does this change for project costs?

This is the practical question, and Basu answered it directly. "Reemerging worker shortages will put upward pressure on labor costs, a dynamic that will exacerbate the effects of high borrowing costs and ongoing materials price escalation," he said.

Read that carefully, because it stacks three cost pressures at once: labor, financing and materials. Any one of them can push a project budget off plan. All three together compress margins for contractors bidding fixed-price work, and they raise the probability of change-order disputes for owners.

The word "will" in Basu's forecast deserves a caveat, though. Shortages have not yet fully emerged in the data ABC cites — openings are up, employment is up, and the group itself describes employment growth as steady. The cost warning is a projection conditional on the shortage materializing, not a measurement of it.

The competitive backdrop

The source attributes the intensified competition for skilled workers to data-center construction, the booming category driven by cloud and AI infrastructure buildouts. That demand pulls in specialized trades — electrical and mechanical crews in particular — who are also needed for housing, commercial and industrial projects.

What the source does not say is equally relevant. It offers no wage-growth figure for construction trades, no regional breakdown, and no estimate of how many of the 198,000 quitters stayed within the industry versus leaving it entirely. Without those numbers, the tightening narrative rests on quits and openings alone.

For now, the direction is clear even if the magnitude is not. Contractors are retaining workers they would otherwise cut, layoffs sit near record lows, and the economist most closely watching the sector expects labor costs to rise as a result. Whether that pressure arrives as higher wages, delayed projects or thinner margins depends on decisions being made in bidding rooms this quarter.