2025 Montana Taxes
Employee Withholding Requirements
Withholding Method
: FormulaSupplemental Wage / Bonus Rate
: 5% for 2025- Register as an employer on the Montana Employment Development website
Employee's Withholding Tax Exemption Certificate
: MW-4
Montana State Unemployment Insurance (SUI)
Montana Wage Base
: $45,100 for 2025Montana Administrative Fund Tax (AFT)
: 0.13%-0.18% with a wage base of $45,100 for 2025. All other employers is 0.18%Montana new employer rate
: 1.3% to 2% for 2025- Get your unemployment insurance rate: Montana UI agency website
Montana State Disability Insurance (SDI)
- None
Montana Family Leave Insurance (FLI)
- None
Montana Local Taxes
- None
Montana Minimum Wage
Montana Minimum Wage
: $10.55 per hour, since 2025
Montana State Labor Laws
Montana Termination Pay
:- Employee is fired — pay immediately (within four hours or end of the business day, whichever occurs first)
- Employee quits — pay next regular pay day for the period in which the employee was separated, or 15 days, whichever occurs first
Montana New Hire Reporting
- New Hire Reporting Program
P.O. Box 8013
Helena, MT 59607-8013 - Phone: 888-866-0327
- Fax: 406-444-0745
Remit Withholding for Child Support to
- State of Montana
Department of Public Health & Human Services
Child Support Enforcement Division
Wage Withholding Unit
PO Box 8001
Helena, MT 59604-8001 - Phone: 406-442-7278
Montana Reciprocal States
- North Dakota
These free resources should not be taken as tax or legal advice. Content provided is intended as general information. Tax regulations and laws change and the impact of laws can vary. Consult a tax advisor, CPA or lawyer for guidance on your specific situation.
