📝 Overview
This guide covers state tax information for employers running payroll in Connecticut. Use the sections below to find agency contact information, supported tax filings, and the account details required for tax setup.
⚙️ Connecticut Tax Information
Click the arrow to view Withholding information
Click the arrow to view Withholding information
Agency Information
Website: Connecticut Department of Revenue Services
Phone: (860) 297-5962
Supported Tax Filings
Quarterly or Annual Reconciliation of Withholding (CT-941)
Annual Reconciliation of Withholding (CT-W3)
Wage and Tax Statement (W-2)
Required for Tax Setup
Tax Registration Number (11–12 digits, e.g., 12345678 1234)
Remitter Type (Weekly, Monthly, Quarterly, or Annually)
Click the arrow to view Unemployment Insurance information
Click the arrow to view Unemployment Insurance information
Agency Information
Website: Connecticut Department of Labor
Phone: (860) 263-6550
Supported Tax Filings
Employer Contribution Return and Employee Quarterly Earnings Report (UC-5A / UC-2)
Required for Tax Setup
Employer Registration Number (7 digits, e.g., 12-345-67)
Contribution Rate (X.XX%)
Click the arrow to view Paid Family & Medical Leave (PFML) information
Click the arrow to view Paid Family & Medical Leave (PFML) information
Agency Information
Website: Connecticut Paid Leave
Email: Support@ctpaidleave.org
Supported Tax Filings
Paid Family and Medical Leave Wage Report
Required for Tax Setup
PFML Account Number (10 digits, e.g., 1234567890)
Total number of employees
❓ 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 Connecticut Tax Registration Number?
Click the arrow to see the answer
Click the arrow to see the answer
Your Connecticut Tax Registration Number is assigned by the Connecticut Department of Revenue Services when you register. It is an 11 to 12 digit number (e.g., 12345678 1234) and can be found on correspondence from the DRS or by logging into your myconneCT account.
Does Connecticut require both UI and PFML registration?
Click the arrow to see the answer
Click the arrow to see the answer
Yes. Unemployment Insurance and Paid Family and Medical Leave are separate programs administered by different agencies. UI is managed by the Connecticut Department of Labor, while PFML is managed through Connecticut Paid Leave. Both require separate account numbers and registrations.
How do I find my Connecticut unemployment contribution rate?
Click the arrow to see the answer
Click the arrow to see the answer
Your contribution rate is assigned annually by the Connecticut Department of Labor and is included in a rate notice sent to your business. If you don't have a copy, log into your account on the CT DOL portal or contact the agency at (860) 263-6550.