State Tax Residency Rules: A 50-State Research Directory for 2026
A directory of state tax authorities with a practical worksheet for checking residency, examples of different day-count rules, and wage-tax rates from the comparison calculator.
By Justin Malone, Co-Founder & CEOSources and review notes
Selected residency examples checked against New York, Connecticut, Maryland, Massachusetts, Oregon and California agency guidance in September 2026. Rate estimates use the shared state tax schedules and their stated assumptions.
Quick Summary
Check three separate issues for every state connected with your move: domicile, statutory residency and income source. No national 183-day rule settles them all. This directory links to the tax authority for each state and provides selected, sourced examples of how tests differ. The wage-tax rate is a comparison aid, not the effective tax on all income or a capital-gains rate. For a filing decision, use the state instructions for the relevant tax year, the facts of your move and qualified advice.
Key Takeaways
Start with the state authority
Use the directory to find the relevant agency and tax-year instructions.
Separate three issues
Domicile, statutory residency and income source can each matter.
Read exact day thresholds
More than 183 days and at least 183 days are different tests.
Check homes as well as visits
An abode requirement may include an availability period.
Keep the rate column in scope
It is a wage-tax comparison, not an effective rate or investment-tax calculation.
Document the move year
Resident and nonresident portions may require different treatment.
Use evidence rather than audit predictions
A checklist does not predict whether you will be audited or determine the result.
This article is part of our State Tax Migration Guide series. See also: State Tax Comparison
Educational guidance: Residency and income sourcing depend on your facts and the law for the tax year. Ask a qualified tax professional to review your filing position.
State tax residency rules depend on the jurisdiction and tax year. Start with the authority for the state you are leaving and every state where you maintain a home, work or receive source income. A Florida document does not replace that review.
Three questions to answer for each state
- Domicile: Where is your permanent home, and what facts support a change? A temporary absence and a permanent move can have different consequences.
- Statutory residency: Can a retained residence plus time in the state create residency independently of domicile? Check every condition and exception.
- Income source: Even if you are a nonresident, does work, property or business connected with the state produce taxable income?
Use the day-count guide for a travel record and the post-move tax guide to diagnose withholding or continuing liability.
Selected residency tests: why the exact wording matters
| State | Check this rule | Official reference |
|---|---|---|
| New York | More than 183 days and a qualifying permanent place of abode for substantially all the year are a separate route from domicile. | Residency FAQs |
| Connecticut | The published full-year non-domiciliary test combines more than 183 days with a permanent abode maintained for the entire tax year. | Resident guidance |
| Massachusetts | A permanent place of abode and more than 183 days can establish residency even where legal residence is elsewhere. | Legal and residency status |
| Maryland | Review both the abode-duration condition and physical presence. Administrative Release 37 describes an abode for more than six months and at least 183 days of presence. | Administrative Release 37 |
| Oregon | A maintained Oregon residence and more than 200 days can matter. Check temporary-purpose and other exceptions. | Residency and filing forms |
| California | There is no general 183-day safe harbor. The FTB distinguishes domicile and presence or absence for a temporary or transitory purpose. | Resident status |
These are starting points, not complete statutory restatements. Military service, foreign assignments, partial-year moves and other exceptions need separate review. A person already domiciled in a state may remain resident without meeting the separate day-and-home test.
50-state authority directory and wage-tax comparison
The rate column comes from the same 2026 wage-income model used in our calculators. It shows a flat or top marginal rate, not the percentage charged on every dollar. California uses the latest published 2025-indexed thresholds in that model. Local taxes, investment taxes, credits and special categories require separate calculations. States with no broad wage income tax can still have other residency-based obligations.
For the District of Columbia, start with the Office of Tax and Revenue individual income-tax guidance. DC has its own resident and nonresident rules.
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A worksheet for your preparer
| Question | Record to collect |
|---|---|
| Which tax year is being reviewed? | The return, instruction revision and any notice deadline. |
| When did the permanent move occur? | A dated chronology with housing, work and family evidence. |
| Was a former home available? | Ownership, lease, tenancy and access records. |
| How many days count under the actual rule? | A diary reconciled with travel records and identified exceptions. |
| Which income remains connected with the state? | Workday schedules, business records, rental statements and compensation agreements. |
| How much tax was prepaid? | Withholding statements and estimated-payment confirmations. |
For a midyear move, keep resident-period and nonresident-period income separate. The final calculation can also involve credits for tax paid elsewhere. Two states requesting returns does not automatically mean the same amount is taxed twice without relief.
Choose the next guide by task
- Plan a California departure.
- Prepare California evidence for review.
- Sequence a New York move.
- Check New Jersey resident and nonresident periods.
- Organize Florida domicile evidence.
- Review a move already made overseas.
For a wage-only estimate, use the state tax comparison tool. Use the relevant state's current instructions and a qualified preparer to turn that estimate into a filing position.
Updated September 16, 2026. This article is educational, not individual tax or legal advice. Your Tax Base provides domicile establishment services but is not a law firm, CPA firm, or registered tax advisory service.
Frequently asked questions
- Is there a nationwide 183-day state residency rule?
- No. Thresholds, home requirements, domicile rules and exceptions differ. Check the relevant state and tax year.
- Does a low day count end domicile?
- No. Domicile and a separate statutory-residency test ask different questions. A low visit count can still be consistent with continued domicile.
- Does a zero wage-tax rate mean no state taxes?
- No. Property, sales, estate, investment and business taxes can still matter. The rate column is limited to the wage-income comparison.
- Can a nonresident have a state filing obligation?
- Yes. Income connected with work, property or business in the state may require a nonresident return.
- Is a top marginal rate the effective rate on my salary?
- No. Progressive brackets, deductions and credits change the calculation. A flat rate also applies to a defined tax base, not necessarily gross pay.
- Do the selected residency examples cover every exception?
- No. They identify important differences. Read the official instructions and exceptions for your facts and tax year.
- What records should I keep after moving?
- Keep your move chronology, housing arrangements, travel diary, work locations and income records, together with the returns and source guidance used.
- Does choosing Florida settle my old state return?
- No. Florida domicile documents do not determine a former state resident period, statutory residency or source-income obligations.
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