Davis-Bacon / Service Contract Act Prevailing Wage Back-Wage Response

The situation

Roberto, 48, owns Apex Federal Services LLC, a 22-person janitorial and facilities maintenance company that holds a $1.4M federal service contract with the GSA to clean a federal courthouse in Denver. After a WHD SCA investigation, he received a "back-wage determination" letter: WHD found $67,400 in back wages owed to 14 workers for 2023–2024 for failure to pay the applicable SCA wage determination rate for "building maintenance" workers.

Roberto is disputing this. His workers are classified as "janitorial cleaners" on his certified payrolls, and the wage determination he used has a "janitor" classification at $18.40/hr. WHD is reclassifying them as "building maintenance technicians" (which pays $24.75/hr on the applicable WD) because some workers occasionally replaced light bulbs and unclogged drains. He has 60 days to contest through the OALJ. An attorney quoted him $12,000.

What Roberto doesn't know: (a) "janitor" and "building maintenance technician" are distinct SCA classifications; the primary duties test determines which applies, if 80%+ of work is janitorial, the janitor rate applies regardless of incidental maintenance tasks. (b) WHD's reclassification can be challenged at the OALJ by documenting the actual percentage of time spent on each type of work (time studies, certified payroll notes, supervisor affidavits). (c) The informal conference with WHD, available within the 60-day window, can often resolve the classification dispute without OALJ involvement, especially when the contractor can show the misclassification was inadvertent and records are otherwise complete.

Who receives this

Small federal construction contractors and federal service contractors (janitorial, grounds maintenance, food service, security) with $500k–$5M in federal contracts receiving WHD Davis-Bacon or SCA back-wage determinations. Primary segment: SCA service contractors in federal building maintenance, food service, security, and cleaning, the most common SCA investigation categories.

Why the agency will not advise you

WHD cannot advise contractors on how to dispute its own back-wage determinations. SAM.gov provides wage determination lookup but no dispute guidance. AWR Counsel and specialized federal prevailing wage attorneys are the only alternatives ($5k–$20k). The 2023 Davis-Bacon rule expansion creates a "why now", contractors compliant under old rules now face new findings.

Key facts, with sources

• The Wage and Hour Division conducts approximately 600–800 Davis-Bacon Act and Service Contract Act investigations per year. The most common WHD audit findings: (1) misclassification of workers into incorrect trade categories (often unskilled laborers classified as skilled tradespeople based on job title rather than actual duties performed); (2) incorrect wage determination applied to the contract (using a WD from the wrong geographic area or outdated WD); (3) inadequate fringe benefit credit documentation (contractors who pay cash fringe benefits must document the payments or face the full fringe benefit obligation in back wages); (4) overtime calculation errors under the SCA (the SCA requires overtime pay at 1.5x the WD rate, not 1.5x the regular rate). WHD contractors can contest back-wage determinations through the OALJ within 60 days of the WHD finding, and through the DOL Administrative Review Board (ARB) on appeal. Both allow self-representation. Source: Davis-Bacon and Related Acts — U.S. Department of Labor Wage and Hour Division · Fact Sheet #66: The Davis-Bacon and Related Acts (DBRA) — DOL WHD
• The 2023 Davis-Bacon and Related Acts final rule (88 FR 57526, effective October 23, 2023) is the first comprehensive regulatory update to Davis-Bacon enforcement since 1982. Key changes: (1) restoration of the '3-contractor' survey methodology for setting wage rates (more contractors' rates now qualify as 'prevailing'); (2) expanded coverage of 'helpers' as separate classification; (3) anti-retaliation protections for workers who report Davis-Bacon violations; (4) new affirmative recordkeeping obligations requiring certified payrolls to include worker contact information. The 2023 rule has increased WHD's ability to investigate and find violations, contractors compliant under pre-2023 rules may now face findings under the new standards. Source: Prevailing Wage & Davis-Bacon Act: The Complete Employer Guide (2025–2026) — BlueWave HR · Federal Register: Updating the Davis-Bacon and Related Acts Regulations — 88 FR 57526
• The 'conformance' process is a key Davis-Bacon defense that most contractors and even some attorneys don't fully utilize: when a contractor's workers performed tasks in a classification NOT listed on the applicable wage determination, the contractor should have requested a conformance from the contracting agency before beginning work. If the contractor didn't (the most common situation), WHD retroactively assigns the workers to the nearest listed classification, often a higher-paid one. The contractor can contest this by documenting the actual job duties and requesting a conformance retroactively through the contracting agency, which can significantly reduce or eliminate the back-wage liability for those workers. The OALJ has upheld contractor conformance arguments in cases where the work is genuinely distinct from any listed classification. Source: Davis-Bacon Conformance Process — U.S. Department of Labor

When to bring in a professional

Self-serve responses fit routine cases: clear facts, amounts a business can absorb, and a deadline still ahead of you. Bring in a licensed professional when the amount at stake is large relative to their fee, the facts are genuinely disputed, criminal exposure is possible, or the deadline has already passed. A short paid consultation to sanity-check your plan is often worth it even when you handle the filing yourself.

All sources for this guide

1. Davis-Bacon and Related Acts — U.S. Department of Labor Wage and Hour Division
2. Fact Sheet #66: The Davis-Bacon and Related Acts (DBRA) — DOL WHD
3. Prevailing Wage & Davis-Bacon Act: The Complete Employer Guide (2025–2026) — BlueWave HR
4. Federal Register: Updating the Davis-Bacon and Related Acts Regulations — 88 FR 57526
5. Davis-Bacon Conformance Process — U.S. Department of Labor