Connecticut 529 Tax Deduction Calculator
2026 rulesEnter your contribution to see how much Connecticut lets you deduct and what it saves you this year.
Your numbers
Result
Connecticut tax saved
- Total contributed$5,000
- Deductible this year$5,000
- Connecticut tax saved this year$225
- Saved per $1,000 deducted$45.00
Connecticut at a glance
- Benefit
- Connecticut lets you deduct up to $5,000 ($10,000 joint) of contributions to CHET 529 each year.
- Carryforward
- Amounts over the limit carry forward for five years.
- Plans that count
- CHET 529.
Questions
Is there a Connecticut tax deduction for 529 contributions in 2026?
Connecticut lets you deduct up to $5,000 ($10,000 joint) of contributions to CHET 529 each year.
What can 529 money pay for without tax?
College tuition, fees, books, and room and board for students enrolled at least half time; up to $20,000 a year of K-12 tuition and expenses from 2026; apprenticeship costs; and up to $10,000 of student loan payments over a lifetime. States can treat some of these differently.
What happens to the Connecticut deduction if I withdraw for something else?
A nonqualified withdrawal is taxed on its earnings, plus a 10% federal penalty, and Connecticut can add back the deductions you took on the money you withdraw.
More for Connecticut
- Connecticut income tax calculator
- Connecticut capital gains tax calculator
- Connecticut estimated tax calculator