Introduction
What happens if you own homes in two states or split your time between them? Many people—such as snowbirds, remote workers, business owners, and college students—find themselves navigating dual state residency. But what does that mean for your taxes? Can you be considered a resident of two states at the same time?
Understanding how states define residency is crucial because it determines where you owe income taxes—and whether you risk paying double state taxes.
Understanding Dual Residency
Dual residency occurs when two states consider you a resident under their tax laws. Each state has its own rules, but generally, you’re a resident if it’s your domicile (your permanent home) or if you meet statutory residency requirements, such as spending a certain number of days there.
Key factors states use to determine residency include:
Where you spend most of your time
Location of your primary home
Where you work or run a business
Driver’s license and vehicle registration
Where you vote
How Dual Residency Happens
Dual residency usually occurs when two states apply their residency rules to the same individual during the same tax year. Here are some common situations that can lead to this scenario:
Snowbirds splitting time between northern and southern states: Retirees often spend winters in warmer states like Florida or Arizona and summers in northern states like New York or Michigan. While Florida has no state income tax, New York does—and if you spend enough time there, you could be considered a resident for tax purposes.
Remote workers living in one state but working for a company in another: With the rise of remote work, many employees live in lower-tax states while working for employers based in higher-tax states. For example, living in Texas but working for a company in California can create dual residency concerns or nonresident tax obligations.
Mid-year moves for jobs or lifestyle changes: Moving from one state to another mid-year—say, relocating from Illinois to North Carolina for a new job—means you may be a part-year resident in both states. This often requires filing two separate state tax returns.
Owning homes in multiple states and dividing your time: If you maintain two homes and spend significant time in both, each state may consider you a statutory resident, even if your primary domicile is in one state. This is common for business owners or individuals who split time between states for family or work.
Tax Implications of Dual Residency
Being a resident of two states can lead to complex tax obligations and potential overpayment if not managed properly. Here’s what to watch out for:
You may need to file tax returns in both states: If both states classify you as a resident or part-year resident, you’ll generally need to file returns in both states, reporting all income.
There’s a risk of double taxation on the same income: Some income—like wages, investment earnings, or business profits—might be taxed by both states if you’re considered a resident in each.
Some states offer tax credits or reciprocity agreements to offset this: Many states provide credits for taxes paid to another state, and some bordering states have reciprocity agreements that allow you to pay taxes only where you live. However, these rules vary widely, so planning is key.
The IRS generally doesn’t decide state residency—it’s based on each state’s rules: Federal tax law doesn’t govern state residency. Each state uses its own criteria for determining residency status, such as number of days present, location of your primary home, and ties like driver’s license or voter registration.
How to Determine Primary Residency (Domicile)
Your domicile is your true, fixed, and permanent home—the place you intend to return to after any absence. Unlike statutory residency, which is based on time spent in a state, your domicile is about intent. Even if you own multiple homes or split time evenly between states, you can only have one domicile.
Most states look at various factors to determine your primary residence. To clearly establish your domicile:
Spend more time in your preferred state: Many states use a 183-day rule. Keeping detailed records of where you spend your days is essential.
Maintain your driver’s license and voter registration there: These are strong indicators of intent to remain in that state long term.
Use that address for tax filings and legal documents: Update your mailing address on tax returns, bank accounts, and official records.
Consider other indicators: Where your family lives, where your children attend school, and where you keep your most valuable possessions can influence a state’s determination of domicile.
Best Practices to Avoid Tax Trouble
If you have ties to multiple states, avoiding double taxation requires strategic planning and documentation. Here are key steps:
Track your days in each state carefully: Use a calendar or an app to record where you spend each day. This is crucial for states like New York that aggressively audit residency cases.
Understand each state’s residency rules: States differ significantly—some use day counts, while others weigh factors like business activities and family ties.
Plan ahead with a CPA experienced in multistate taxation: A tax professional can help you structure your finances and residency to minimize liabilities and ensure compliance.
Keep documentation: In case of an audit, maintain proof of travel (flight receipts, utility bills, credit card statements) to support your claim of residency.
Conclusion
If you maintain homes or strong connections in more than one state, understanding residency and domicile rules is essential to avoid costly surprises. Proper planning can help you reduce taxes, prevent audits, and stay compliant with state laws. Before making significant changes—such as moving, buying a second home, or working remotely across state lines—contact Dimov NYC CPA. Our dedicated team stands ready for expert help with dual residency and multistate tax planning..
FAQs
What is double residency?
Double residency happens when two states both consider the taxpayer a resident under their rules. This situation might result in the obligation of filing tax returns in both states and possible double taxation.
Can I establish residency in a state I don’t live in?
Generally, no. You should live in the state or show strong links—like a primary home or voter registration and a driver’s license—in order to establish legal residency.
Do snowbirds pay taxes in both states?
Yes, if one state has income tax. Many snowbirds file as part-year residents and may claim credits for taxes paid to the other state to prevent double taxation.
What is the best state to claim residency for taxes?
States with no income tax, like Florida or Texas, are tax-friendly. However, you should truly live there and show intent to make it your permanent home.