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Connecticut Form
W-2 & CT-W3
Filing Requirements

The State of Connecticut Mandates W-2 Filing!

Simplify Your Connecticut W-2 E-Filing
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  • You can e-file your W-2 with both Federal and State.
  • Distribute recipient copies via Postal Mail and Secure Online Access.

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Connecticut State Filing

Select your State for W-2 Reporting Requirements


connecticut State

Connecticut W-2 State Filing Requirements

The State of Connecticut mandates filing Form W2 with the state agency under the following conditions:

Scenario Scenario 1 Scenario 2
Withholding Conditions If there is any Connecticut State
Tax Withholding
If there is no Connecticut State
Tax Withholding
Filing Method Direct State Filing
Additional Forms CT-W3 / CT-W3 HHE
Due Date January 31, 2025

The State of Connecticut requires the following Forms:

TaxBandits supports Form W-2 and 1099 filing with both the Federal and State.


Frequently Asked Questions

Does Connecticut require W2 filing?

Yes. The Connecticut Department of Revenue Services requires W2 filing even if there is no state withholding.


Does Connecticut have any additional requirements when filing W2 Forms?

Yes. The state of Connecticut requires additional forms to file along with Form W-2. Connecticut has an additional Form CT-W3 / CT-W3 HHE (Annual Reconciliation) to be sent even if there is no state withholding.

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Note: When you E-file Form W-2 with TaxBandits, we will take care of the reconciliation CT-W3.


What is Form CT-W3 and CT-W3 HHE?

Form CT-W3 HHE is an Annual Reconciliation form used to report the wages, and taxes withheld from the
Household Employees.

  • Form CT-W3 is an Annual Reconciliation form used to report the wages, and taxes withheld from the
    employees paychecks
  • Form CT-W3 HHE is an Annual Reconciliation form used to report the wages, and taxes withheld from the Household Employees.

What is the due date to file W2 with Connecticut?

The due date to file Form W-2 and Form CT-W3 / CT-W3 HHE with Connecticut is January 31.

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Note: If the due date falls on a weekend or federal holiday, the next business day is the deadline


What are the requirements to file W2 electronically with Connecticut?

The State of Connecticut mandates filing electronically if you are submitting 25 or more W2s. However, if you have paid your taxes electronically during the year, you are required to file W2 electronically.


What are the penalties for not filing or filing W-2 late with Connecticut?

The penalty for late filing is $50 and $5 will be imposed for each w2 is not filed on time with the state of Connecticut.
Learn more about Form W-2 penalties.


Where do I mail Connecticut W2 forms?

Mail your Form W2s along with the CT-W3 / CT-W3 HHE to the following address.

Mail your Form W2s along with Form A-3 to the following address.

location-map
Department of Revenue Services,
State of Connecticut,
PO Box 2930,
Hartford, CT 06104-2930

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