Missouri Payroll Services

What is the state minimum wage? 

• $10.30/hour
• Tipped Employees must be paid half of the state minimum wage rate or $5.15 per hour

What do I need to know about state withholding tax?

• Income earned within Missouri is subject to withholding tax for both residents and non-residents. 
• Withholding applies to wages of residents, regardless of where earned and to wages of nonresidents for income earned in Missouri.

What forms do employees need to set up state withholding?

• Form MO W-4 – Employee’s Maryland Withholding Exemption Certificate

What do I need to know about unemployment tax?

• 2021 Taxable Wage Base – 11,500
• 2021 New Employer UI Rate – 2.376%
• With few exceptions, new employers are required to register for an unemployment tax account. Click here to register.

How do I report new hires to the state?

• Register and report new hires online
• Mail or Fax one of the following hardcopy documents:
  • Federal W-4 Form
  • MO W-4 Form
  • A printed list of data– created using at least a 10-point font size, and have the employer’s name, Federal Employer Identification Number, and address clearly displayed at the top of the report.
• Missouri Department of Revenue
  PO Box 3340
  Jefferson City, MO 65105–3340
• Fax: (573) 526-8079
• Phone: (888) 663-6751

How do I submit Child Support payments?

• Remit payments online
• Family Support Payment Center
  PO Box 109001
  Jefferson City, MO 65110-9001
• Fax: (573) 751-0507
• Phone: (888) 761-6390

Additional Resources:

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