Connecticut Filing Status F Guide – If you work in Connecticut or earn income from Connecticut sources, understanding Connecticut filing status F is essential for accurate payroll withholding. “Filing Status F” (also called Withholding Code F) appears on Form CT-W4, the Employee’s Withholding Certificate. It helps your employer withhold the correct amount of Connecticut state income tax from your paycheck.
This guide explains everything USA taxpayers need to know about filing status F in 2026, including who should use it, how it affects your take-home pay, and how to complete the form correctly. All information is based on the latest official Connecticut Department of Revenue Services (DRS) forms and publications effective for 2026.
What Is Connecticut Filing Status F on Form CT-W4?
Connecticut filing status F is not one of the five standard filing statuses on your actual Connecticut income tax return (Form CT-1040). Those are Single, Married Filing Jointly, Married Filing Separately, Head of Household, and Qualifying Surviving Spouse.
Instead, filing status F refers to Withholding Code F on Form CT-W4. Employees select this code when:
- Their expected Connecticut filing status matches Single on their federal and state tax returns.
- Their expected annual gross income from all sources is greater than $15,000.
Code F tells your employer to use the single-filer withholding tables (with a lower personal exemption amount than codes like B for Head of Household). This ensures you are not under-withheld or over-withheld during the year.
Exact wording from the 2026 Form CT-W4 (Rev. 12/25, effective January 1, 2026):
- “My expected annual gross income is less than or equal to $15,000 and no withholding is necessary.” → Code E
- “My expected annual gross income is greater than $15,000.” → Code F
Who Should Select Filing Status F (Withholding Code F)?
You should choose filing status F if all of the following apply:
- You expect to file your 2026 Connecticut return as Single (unmarried and not qualifying for Head of Household).
- Your expected annual gross income (wages + other income) from all sources will exceed $15,000.
- You do not have significant non-wage income or substantial other Connecticut-source income that would require Code D.
Common examples:
- Single employees earning more than $15,000 per year.
- Unmarried workers who do not qualify as Head of Household (no qualifying dependents or do not meet IRS rules).
- New hires or employees whose income has increased above the $15,000 threshold.
Do NOT use Code F if:
- You are married (use A, C, or D depending on combined income).
- You qualify for Head of Household (use Code B).
- Your income is $15,000 or less (use Code E).
- You are a nonresident with other Connecticut income or want extra withholding (use Code D).
Step-by-Step: How to Fill Out Form CT-W4 and Select Filing Status F?
- Download the latest form: Get the 2026 Form CT-W4 directly from the official DRS website (portal.ct.gov/DRS).
- Enter personal information: Name, SSN, address.
- Select your filing status: Check the box for Single.
- Choose the correct statement: Under Single, select “My expected annual gross income is greater than $15,000.” This automatically assigns Withholding Code F.
- Enter Code F on Line 1.
- Optional adjustments: Use Line 2 (additional withholding) or Line 3 (reduced withholding) if needed.
- Sign and date: Give the completed form to your employer.
Pro tip: If your situation changes (raise, second job, marriage, etc.), submit a new CT-W4 within 10 days.
How Filing Status F Affects Your Connecticut Tax Withholding and Paycheck
Withholding Code F uses the single filer withholding tables published by the DRS. These tables include:
- A personal exemption that phases out at higher income levels.
- Connecticut income tax rates (3% to 6.99% in 2026 brackets).
- Phase-out of the 3% rate for higher earners.
Result: More tax is withheld from each paycheck than under Code E (no withholding) but typically less than under certain married or head-of-household codes. This reduces the chance of a large tax bill when you file your 2026 CT-1040 in 2027.
Use the DRS Monthly Connecticut Withholding Calculator (available at portal.ct.gov/DRS) to estimate your exact withholding under Code F.
Filing Status F vs. Other CT-W4 Withholding Codes (Quick Comparison)
| Filing Status / Situation | Withholding Code | Best For | Threshold (2026) |
|---|---|---|---|
| Single (income > $15,000) | F | Most single filers | > $15,000 |
| Single (income ≤ $15,000) | E | Low-income single filers | ≤ $15,000 |
| Head of Household | B | Qualifying dependents | > $19,000 |
| Married Filing Jointly (combined ≤ $100,500) | A | Dual-income married couples | Varies by combined income |
| Married Filing Jointly (one income only) | C | Single-income married couples | Varies |
| Any status + extra withholding needed | D | Nonresidents, significant other income | N/A |
Common Questions About Connecticut Filing Status F
Is filing status F the same as filing “Single” on my tax return?
Yes for withholding purposes, but your actual 2026 CT-1040 filing status must still match your federal status (with special married-filing-separately rules for mixed residency).
Will using Code F cause me to overpay or underpay taxes?
Code F is designed to match most single filers’ liability. Use the DRS calculator or consult a tax professional if you have multiple jobs or non-wage income.
Do nonresidents use filing status F?
Only if you are single and meet the income test and have no other substantial Connecticut income (otherwise use Code D).
When Should You Update or Change Your CT-W4 Filing Status F?
Update immediately if:
- Your expected annual income drops to $15,000 or below.
- You get married, divorced, or gain dependents.
- You start a second job.
- You become a nonresident or part-year resident.
Connecticut State Tax Filing Status vs. Withholding Codes: Key Differences
- CT-1040 filing status → Determines your final tax liability and credits.
- CT-W4 withholding code (including F) → Determines paycheck withholding only.
- They should align, but withholding is an estimate. You reconcile everything when you file your return.
Tips to Get Your Connecticut Withholding Right in 2026
- Submit a new CT-W4 every time your situation changes.
- Check your paystub regularly to confirm Code F is being used.
- Use the official DRS withholding calculator for precision.
- Consider extra withholding (Code D + dollar amount) if you have side income or bonuses.
- File your 2025 return on time (due April 15, 2026) to avoid surprises.
Official Resources
- 2026 Form CT-W4: portal.ct.gov/DRS (download the fillable PDF).
- Connecticut Circular CT (IP 2026(1)): Full employer and employee guidance.
- DRS myconneCT portal: File returns and check refund status.
For personalized advice, contact the Connecticut DRS or a qualified tax professional. Accurate withholding with filing status F helps you avoid surprises and keep more money in your pocket throughout the year.
This guide is current as of April 2026 and based solely on official Connecticut DRS publications and forms.