What Prevailing Wage and Certified Payroll Actually Require
Why this matters
The first prevailing wage job surprises shops in the same two ways: the labor costs more than they bid, and the paperwork is a weekly job of its own that, done wrong, freezes their payment. Prevailing wage and certified payroll are not one rule but a linked set of them, and the penalty for getting them wrong is not a warning, it is withheld money, back-wage liability, and in the worst case being barred from public work. This is the field reference for what the two actually require, so the surprise happens before bid day instead of after.
What prevailing wage is
Prevailing wage is a government-set minimum hourly rate for construction labor on publicly funded projects. It is set by a wage determination: a published schedule that lists, for each labor classification in that locality (electrician, laborer, operator, and so on), a required base hourly rate plus a required fringe benefit amount.
- The rate is a floor, not a ceiling. You may pay more; you may never pay less.
- It is per classification and per locality. The same trade can carry different rates in two counties.
- Federal projects run under the Davis-Bacon Act; most states have their own "little Davis-Bacon" law for state-funded work, and some cities add local ordinances. The bid documents name which one applies.
Base plus fringe: two parts of one number
The determined wage has two components, and how you satisfy the fringe matters.
- Base rate is the cash hourly wage.
- Fringe is an additional hourly amount for bona fide benefits: health insurance, pension, approved apprenticeship or training.
- You can satisfy the fringe two ways: pay it into qualifying benefit plans, or pay it as additional cash on the paycheck. Cash is simplest but raises your payroll taxes, because cash wages are taxable where bona fide benefit contributions generally are not. Shops with a real benefit plan often come out ahead on prevailing wage work for exactly this reason.
Classification: paying people right
The determination pays by the work a person performs, not by their job title at your shop.
- Classify each worker by the actual work done. If someone performs two classifications in a day, their hours split between them at the two rates.
- Apprentices can be paid a percentage of the journeyman rate only if they are enrolled in a registered apprenticeship program and you hold to the allowed apprentice-to-journeyman ratio. An unregistered "apprentice" must be paid the full journeyman rate.
- Misclassifying a worker into a lower-paid classification is the most common violation and the easiest one for an auditor to catch.
What certified payroll requires
Certified payroll is the weekly proof that you paid the determined wage. It is a report, filed for every week any covered work happened, listing each worker, their classification, hours (including overtime), the rate and fringe paid, gross pay, deductions, and net.
- It is signed as a statement of compliance under penalty of perjury. That signature is not a formality; a knowingly false certified payroll is fraud.
- It is due on a schedule (commonly weekly) to the contracting agency or the general contractor, on the required form, for the entire time you are on site.
- A missing, late, or inaccurate report can hold up your progress payment until corrected. On many public jobs, no certified payroll means no check.
The record burden around it
Certified payroll sits on top of records you must keep and be ready to show.
- Keep time records that tie to the report, showing hours by classification.
- Keep fringe records proving where the fringe went (plan contributions or cash).
- Post the applicable wage determination at the job site where workers can see it, where that is required.
- Keep the records after the job closes for the retention period the law sets; an audit can arrive well after the work is done.
The consequences that make this real
- Underpayment triggers back-wage liability: you owe the workers the difference, and the agency can withhold contract funds to cover it.
- Penalties can stack on top of back wages for willful violations.
- Debarment, being barred from bidding public work for a set period, is the career-level penalty for serious or repeated violations.
Treat prevailing wage as two jobs sold as one: the work, and the payroll discipline that proves you did it right.
References
- U.S. Department of Labor, Davis-Bacon and Related Acts, and 29 CFR Parts 1, 3, and 5
- WH-347 certified payroll form and its instructions (U.S. DOL)
- State prevailing wage ("little Davis-Bacon") statutes and wage determinations
- See related: A Prevailing Wage Job Comes Up: Should You Bid It; The Documentation a Commercial Client Will Demand