Self-employed in Connecticut: taxes and retirement for 2026

What consultants, freelancers, content creators, entrepreneurs, gig workers, tipped workers and tradespeople in Connecticut need to know this year: Connecticut income and estimated tax rules, and how to save for retirement without an employer plan.

Guides for Connecticut

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Connecticut rules that apply

State income tax (2026): Connecticut has a graduated state income tax for 2026: 2% to 6.99% (top rate starts at $500,000 for single filers). Rates are percentages. 2026 single brackets: 2% on the first $10,000 of Connecticut taxable income, then 4.5%, 5.5%, 6%, 6.5% and 6.9%, with 6.99% on income over $500,000 (DRS IP 2026(7), 2026 tax calculation schedule). Higher earners also lose the benefit of the 2% bracket through a phase-out add-back.
State estimated tax: You must pay estimated tax if your Connecticut income tax after withholding and any pass-through entity tax credit will be $1,000 or more and your withholding will be less than your required annual payment. Same dates as federal: 25% each on April 15, June 15 and September 15, 2026 and January 15, 2027. Farmers and fishermen make one payment by January 15, 2027. Form CT-1040ES.
Minimum wage (2026): $16.94 an hour; tipped cash wage $6.38 an hour. $16.94 since January 1, 2026. The rate is indexed to the federal Employment Cost Index, and the Governor announced on August 5, 2026 that it rises to $17.48 on January 1, 2027 (https://portal.ct.gov/governor/news/press-releases/2026/08-2026/governor-lamont-announces-minimum-wage-will-increase). The tipped cash wage (the employer's share) is fixed by statute at $6.38 an hour for hotel and restaurant workers and $8.23 for bartenders, with tips making up the rest (CGS 31-60(d), https://www.cga.ct.gov/current/pub/chap_558.htm).
ABC test for unemployment insurance: For unemployment insurance, the Connecticut Department of Labor treats a worker as an employee unless all three are true: the worker is free from direction and control, the work is outside the usual course of the business or outside all its places of business, and the worker is customarily engaged in an independently established trade or business. The Department of Revenue Services uses common-law control rules for tax purposes instead.
State retirement program: MyCTSavings is live. It is built around W-2 employers and does not cover 1099 contractors through the employer mandate; self-employed residents can enroll on their own.

Questions

Do self-employed people in Connecticut pay state income tax?

Connecticut has a graduated state income tax for 2026: 2% to 6.99% (top rate starts at $500,000 for single filers). Rates are percentages. 2026 single brackets: 2% on the first $10,000 of Connecticut taxable income, then 4.5%, 5.5%, 6%, 6.5% and 6.9%, with 6.99% on income over $500,000 (DRS IP 2026(7), 2026 tax calculation schedule). Higher earners also lose the benefit of the 2% bracket through a phase-out add-back.

When are Connecticut estimated tax payments due for 2026?

You must pay estimated tax if your Connecticut income tax after withholding and any pass-through entity tax credit will be $1,000 or more and your withholding will be less than your required annual payment. Same dates as federal: 25% each on April 15, June 15 and September 15, 2026 and January 15, 2027. Farmers and fishermen make one payment by January 15, 2027. The state form is CT-1040ES.

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Sources

Facts researched from official sources and independently re-checked; last verified October 2026, next scheduled review 2027-01-02. Educational information for 2026, not tax, legal or investment advice. Rules change; check the official sources listed and a tax professional for your situation. Gigaverse AI, Inc. is a financial technology company, not a bank, and not itself a registered investment adviser or broker-dealer.