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Connecticut 1099 Filing Requirements 2025

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Filing Requirement

Connecticut State Requires the following Forms:

Form 1099-MISC

Miscellaneous Information

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Form 1099-NEC

Nonemployee compensation

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Form 1099-B

Broker & Barter Exchange

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Form 1099-R

Distributions from Pensions

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Form W-2

Wage and Tax Statements

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Form 1099-K

Third-party transactions

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Form 1099-INT

Interest Income

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Form W-2G

Gambling Winnings

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Form 1099-G

Certain Government Payments

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Deadline for Connecticut State Filing Taxes:

Connecticut Form 1099 Filing Deadline
February 02, 2026
Connecticut Form W-2 Filing Deadline
February 03, 2026

IRS mandates eFiling for 10 or more tax returns for the TY 2025.

IRS-approved 1099ly allows you to eFile Connecticut forms online with an easy and secure filing process.

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Connecticut State Filing Scenario for the following Forms:

Connecticut participates in the Combined Federal/State (CF/SF) program, yet it still mandates the direct filing of some forms.

ScenarioCFSF ParticipationDirect State Filing
1099-MISC

Yes, if state taxes are not withheld.

Pricing: Free

Form 1099-MISC is required to be filed both when there is Connecticut withholding and when no withholding has been made for all payments made to Connecticut residents, and payments made to non-Connecticut residents if the payments relate to services performed wholly or partly in Connecticut.

Filing method: Electronic

Pricing: $0.99 Per form

1099-NEC

Yes, if state taxes are not withheld.

Pricing: Free

Yes, mandatory state filing is required.

Filing method: Electronic

Pricing: $0.99 Per form

1099-K

Yes, but direct state filing is still required.

Pricing: Free

Yes, mandatory state filing is required.

Filing method: Electronic

Pricing: $0.99 Per form

1099-S

NA

NA

1099-R

Yes, if state taxes are not withheld.

Pricing: Free

1. Yes, mandatory state filing is required when the recipient address is from Connecticut. 2. If taxes are withheld when the recipient belongs to other states and the state filing selected is CT in the dropdown in the state fields.

Filing method: Electronic

Pricing: $0.99 Per form

1099-G

NA

NA

1099-INT

NA

NA

W-2G

NA

Yes, mandatory state filing is required.

Filing method: Electronic

Pricing: $0.99 Per form

W-2

NA

Yes, mandatory state filing is required.

Filing method: Electronic

Pricing: $0.99 Per form

Additional filing requirements: You may be required to file the Connecticut state reconciliation Form CT-W3 for W-2 and Form CT-1096 for 1099s. This form is available through 1099ly for $4.99.

1099-MISC1099-NEC1099-K1099-B1099-R1099-INTW-2G1099-G

Connecticut State Mailing Address

Connecticut Department of Revenue ServicesP.O. Box 2930Hartford, CT 06104-2930

Frequently Asked Questions

Yes. Employers must file Form W-2 with the Connecticut Department of Revenue Services (DRS) reporting wages paid and Connecticut income tax withheld.
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