Connecticut Tax 25: Guide to Income, Sales, Property, and Retirement Taxes

picture of Connecticut flag for the Connecticut state tax guide

(Image credit: Getty Images)

Navigating the complexities of state taxes can be daunting, but understanding Connecticut's tax landscape is essential for residents and newcomers alike.

In this guide, we'll explore key components of The Constitution State's tax system, from income and sales taxes to property taxes and retirement benefits.

Connecticut state tax: Overview

Connecticut is known for its higher property taxes, which can take a bite out of your budget. But there is some good news on the income tax front. Rates generally stay below 7%, and some residents will see lower tax rates starting next year.

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The Constitution State also has a gift and estate tax, but most people will not need to worry about it. Those taxes only apply to gifts and estates worth more than 13.61 million dollars, so unless you are incredibly generous or extremely wealthy, you should be in the clear.

[Data for this state tax guide was gathered from several sources including the U.S. Census Bureau, the state’s government website, the Sales Tax Handbook, and the Tax Foundation. Property taxes are cited as a rate percentage rather than the assessed value.]

Connecticut income tax

Connecticut has a graduated state individual income tax rate ranging from 2% to 6.99%, according to the Tax Foundation.

Connecticut retirement taxes

Connecticut tax on retirement benefits: Social Security benefits are tax-exempt for single and married filing separate filers with an AGI (adjusted gross income) below $75,000.

Joint and head of household filers won't have their Social Security benefits taxed as long as their AGI falls below $100,000.

Income from an annuity or pension is tax-exempt for joint filers with less than $100,000 of federal adjusted gross income and other taxpayers (including head of household) with less than $75,000 of federal AGI.

For 2025, 75% of income from IRA distributions is tax-exempt for filers who meet the same income guidelines set for pension and annuity income (less than $100,000 for joint filers and less than $75,000 for all other filers). That's up from 50% last year.

In 2024, 50% of income from IRA distributions was tax-exempt for eligible filers.
Eligible taxpayers can exempt 75% of IRA distribution income in 2025.
Income from IRA distributions will become completely tax-exempt for eligible taxpayers in 2026.

Note: Taxpayers can deduct 50% of teacher's retirement system (TRS) pension income. However, eligible taxpayers are only eligible to deduct the general pension or annuity income or the TRS income, not both.

Income Tax on Taxable Income: Low of 2% (on up to $10,000 for single filers and $20,000 for joint filers) and a high of 6.99% (on more than $500,000 for single filers and $1,000,000 for joint filers).

Social Security: Partially taxable
Pensions: Partially taxable
401(k) and IRA Distributions: Partially taxable

Connecticut sales tax

Still life of a small shopping cart with $1 USD bills

Connecticut's statewide sales tax is 6.35%, and localities don't charge any additional sales tax, according to data from the Tax Foundation.

Groceries: Exempt
Clothing: Taxable
Prescription drugs: Exempt
Motor Vehicles: Taxable

How much are property taxes in Connecticut?

In Connecticut, the average effective property tax rate is 1.48%, which is higher than the national average.

Source: Tax Foundation

Connecticut Property Tax Breaks for Retirees

Property Tax Credit Program: Connecticut offers property tax credits of up to $1,250 to eligible homeowners. Married homeowners can receive a credit of up to $1,250. Other homeowners can receive a credit of up to $1,000. Connecticut residents must apply for the program and meet eligibility criteria to qualify.

Homeowners must be 65 or older.

(Note: Homeowners with disabilities may qualify for the property tax credit if under age 65.)

Connecticut gas tax

rendering of a yellow car against a yellow background

Gasoline: $0.25 per gallon.

Diesel: $0.50 per gallon.

Source: Sales Tax Handbook

Connecticut alcohol and tobacco taxes

Swipe to scroll horizontally

Connecticut tobacco taxes
Product	Tax Amount
Cigarettes	$3.90 per pack
Other Tobacco Taxes	50% of wholesale price

Source: Sales Tax Handbook

Swipe to scroll horizontally

Connecticut alcohol taxes
Product	Tax Amount
Wine	$0.72 per gallon
Beer	$0.24 per gallon
Liquor	$5.40 per gallon

Source: Sales Tax Handbook

Connecticut estate, gift and inheritance tax

Connecticut has an estate tax with a $13.61 million exemption (the same amount as the federal estate tax exemption).

Connecticut also imposes a gift tax with a $13.61 million exemption. Gifts or estates worth more than $13.61 million are taxed at 12%.

Katelyn has more than 6 years of experience working in tax and finance. While she specialized in tax content while working at Kiplinger from 2023 to 2024, Katelyn has also written for digital publications on topics including insurance, retirement, and financial planning and had financial advice commissioned by national print publications. She believes knowledge is the key to success and enjoys providing content that educates and informs.

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