What is the RSU tax rate in Connecticut?

No flat rate — CT progressive state tax plus federal plus FICA on vest FMV, based on total income.

Are RSUs taxed in Connecticut?

Yes for typical CT residents on CT-sourced vest wages.

Connecticut vs New York RSU tax rate?

Both tax vest wages at progressive rates — commuter credit rules differ; see both state rate guides.

CT RSU supplemental withholding?

Employers may use CT supplemental methods on equity — may not match final marginal rate.

Moved from Connecticut to Florida?

CT may tax pre-move connected income. Post-move FL vests avoid FL state income tax for typical residents.

Remote worker in Connecticut RSU tax?

CT resident generally owes CT tax on vest wages.

Which calculator for CT RSU?

RSU tax calculator with Connecticut selected and withholding gap calculator.

W-2 CT boxes for RSU?

State wage and tax boxes reflect RSU vest FMV when CT payroll applies.

FICA on Connecticut RSU vest?

Federal FICA on vest FMV until wage base cap.

Connecticut RSU tax guide, New York rate guide, Massachusetts rate guide, effective tax rate.

RSU Tax Rate in Connecticut | Stamford + Federal

You search for an RSU tax rate in Connecticut — Stamford finance, Hartford insurance, remote for a CT employer — and want effective tax on vest FMV including CT state tax plus federal and FICA.

Start here

There is no flat Connecticut tax rate. Effective tax combines progressive Connecticut state income tax on wages, federal income tax, and FICA. Employers may CT tax on vests using supplemental methods that can under- when a large stacks on high salary. Verify current CT brackets on Connecticut DRS publications for your filing year.

What you need before using this

CT residency for year.
confirmation and CT on pay stub.
CT wage boxes.
Connecticut DRS rate tables for filing year.
tax calculator with Connecticut selected.

Connecticut tax rates follow Connecticut DRS guidance for the filing year.

Why this happens

CT treats equity compensation at as taxable wages.

Progressive CT state rates apply to taxable income including .

Federal progressive tax applies separately on .

FICA applies nationwide on wages.

CT supplemental on equity may use flat methods that under- vs stacked .

Moving from CT to Florida mid-year removes CT state tax on post-move vests for typical FL residents.

Moving from NY to CT changes state layer on post-move vests.

Remote CT resident for out-of-state employer still typically CT taxes wages.

Estimated federal and CT tax may be needed when falls short.

tax rate Connecticut searches often mean combined CT federal FICA — plan holistically.

Compare to New York and New Jersey rate guides for tri-state planning.

Stock options and same CT wage treatment when CT-sourced.

Boxes 16–17 include in CT wages when CT payroll applies.

Legislative bracket changes — confirm for filing year.

Finance sector vests follow same payroll wage rules as salary.

What to check

CT state on pay stub.
CT wage and tax boxes.
Federal Box 1 and .
CT with total income for filing year.
Federal gap vs .
Move date if part-year CT.
Calculator output vs pay stub.
Connecticut DRS pub for current year.

Using a single Connecticut percentage from an old blog for RSU planning

Connecticut uses progressive brackets. planning should use current DRS guidance and your full-year income, not a stale flat estimate.

What to check in your documents

CT pay stub.
CT boxes.
confirmation.
CT estimated tax if made.
Move docs if part-year.

Hartford employee with annual RSU stack

Illustration only, not your tax situation.

Omar, CT resident, vests $42,000 across two grants on $185,000 salary. CT and federal apply on each . Omar's effective rate on marginal dollars exceeds flat supplemental . Omar uses tax calculator with Connecticut and checks DRS guidance for the filing year.

Questions people ask

What is the RSU tax rate in Connecticut?: No flat rate — CT progressive state tax plus federal plus FICA on , based on total income.
Are RSUs taxed in Connecticut?: Yes for typical CT residents on CT-sourced wages.
Connecticut vs New York RSU tax rate?: Both tax wages at progressive rates — commuter credit rules differ; see both state rate guides.
CT RSU supplemental withholding?: Employers may use CT supplemental methods on equity — may not match final .
Moved from Connecticut to Florida?: CT may tax pre-move connected income. Post-move FL vests avoid FL state income tax for typical residents.
Remote worker in Connecticut RSU tax?: CT resident generally owes CT tax on wages.
Which calculator for CT RSU?: tax calculator with Connecticut selected and gap calculator.
W-2 CT boxes for RSU?: State wage and tax boxes reflect when CT payroll applies.
FICA on Connecticut RSU vest?: Federal FICA on until wage base cap.
Related guides?: Connecticut tax guide, New York rate guide, Massachusetts rate guide, effective tax rate.

When to get help from a tax pro

Part-year CT resident with large equity income.
CT-NY cross-border with conflicting state boxes.
Employer withheld wrong state on CT resident .
Multi-state remote work allocation.

Related calculators

Sources and notes

Primary tax claims on this page are supported by the official and secondary sources below. Broker and software links describe reporting mechanics — confirm rules against IRS or state guidance.

Connecticut progressive income tax on vest wages; confirm current CT DRS rates.

Connecticut DRS — Personal Income Tax
Connecticut Department of Revenue Services · Official
Connecticut personal income tax overview and withholding guidance.
IRS Publication 525 — Taxable and Nontaxable Income
Internal Revenue Service · Official
Covers compensation income from stock-based pay, including restricted property under section 83.

For learning, not filing

VestingTax.com is not a CPA firm or tax preparer. Grants, employers, and states all differ. Use the cited IRS and state sources above, your own documents, and a qualified tax professional before you make decisions from this guide.

Editorial standards Disclaimer

RSU tax rate in Connecticut: state, federal, and FICA on vest income