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Montana prevailing wage and certified payroll
Montana has its own prevailing-wage law (Mont. Code Ann. §§18-2-401–432) on top of federal Davis-Bacon.
State law
Mont. Code Ann. §§18-2-401–432
Agency
Dept. of Labor & Industry, Employment Relations Division, Compliance & Investigation Bureau · wage schedules
Applies to contracts
More than $25,000
Certified payroll
No routine filing; workers paid weekly and certified payroll furnished to DLI on request or complaint (§18-2-423). Building, heavy, highway and nonconstruction rate books revised yearly.
In CertifyWage
WH-347 and Statement of Compliance, which this state accepts; state rules applied to overtime and rates.
Federal rules that apply in Montana too
Davis-Bacon
Federal and federally assisted construction contracts over $2,000 carry a wage determination from SAM.gov. Every laborer and mechanic is paid at least the listed base rate plus fringe for the classification of work actually performed.
Weekly certified payroll
The contractor and every subcontractor submit a certified payroll each week work is performed, with a signed Statement of Compliance. The U.S. Department of Labor’s optional form is the WH-347 (Rev. January 2025).
Overtime
On covered contracts over $100,000, the Contract Work Hours and Safety Standards Act requires time and a half of the basic rate for hours over 40 in a workweek. Fringe benefits are not multiplied.
Records
Payroll records are kept for at least three years after the work is completed and made available to the contracting agency and the Department of Labor on request.
The contracting agency’s instructions control when they differ from this summary. Get started or see every state.