📝 Overview
This guide covers state tax information for employers running payroll in Maryland. Use the sections below to find agency contact information, supported tax filings, and the account details required for tax setup.
⚙️ Maryland Tax Information
Click the arrow to view Withholding information
Click the arrow to view Withholding information
Agency Information
Website: Maryland Comptroller
Phone: (800) 638-2937
Supported Tax Filings
Employer's Return of Income Tax Withheld (MW506)
Wage and Tax Statement (W-2)
Required for Tax Setup
Withholding Account Number (8 digits, e.g., 12345678)
Filing Frequency (3 Day Rule, Monthly, Quarterly, or Annually)
Click the arrow to view Unemployment Insurance information
Click the arrow to view Unemployment Insurance information
Agency Information
Website: Maryland Department of Labor
Phone: (800) 492-5524
Supported Tax Filings
Quarterly Contribution & Employment Report (DUI-15/16)
Required for Tax Setup
Unemployment Account Number (10 digits, e.g., 1234567891)
Unemployment Insurance Base Tax Rate (X.XX%)
❓ Frequently Asked Questions (FAQs)
Find answers to common questions or additional details that may not be covered in the main instructions.
Click the arrow to view frequently asked questions
Click the arrow to view frequently asked questions
Where do I find my Maryland withholding account number?
Click the arrow to see the answer
Click the arrow to see the answer
Your Maryland Withholding Account Number is an 8-digit number assigned by the Maryland Comptroller when you register. It can be found on agency correspondence or by logging into your Maryland Tax Connect account.
What is Maryland's "3 Day Rule" filing frequency?
Click the arrow to see the answer
Click the arrow to see the answer
The 3 Day Rule is Maryland's most frequent withholding deposit schedule, assigned to employers with the highest withholding volumes. Under this schedule, withheld taxes must be deposited within three business days of each payroll. The Maryland Comptroller assigns your filing frequency when you register. If you are unsure which frequency applies to you, contact the agency at (800) 638-2937.
Where do I find my Maryland unemployment account number and base tax rate?
Click the arrow to see the answer
Click the arrow to see the answer
Your Maryland unemployment account number and base tax rate are assigned by the Maryland Department of Labor when you register. Your rate is communicated through an annual rate notice. If you need to look these up, log into your Maryland BEACON employer account or contact the agency at (800) 492-5524.