Labor is one of the largest costs on any construction project—often 30% to 50% of total project cost for self-performed work, and for some trades and contract types, more. It's also one of the costs most likely to be wrong in the estimate, for a simple reason: the number most builders carry for labor isn't the number labor actually costs.
Materials get quoted. Subs get bid. But self-performed labor gets estimated with the number that's easiest to grab—the wage rate—and the wage rate is only part of the story. The rest shows up in payroll, quietly, on every job, whether the bid accounted for it or not.
This article covers what construction labor costs actually include, how to calculate a fully burdened labor rate you can trust in a bid, and—because percentages on a page never quite land the way a real job does—what the gap looks like on one crew, over one ordinary week.
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