In the pursuit of tax efficiency, some couples—especially those approaching or in retirement—consider establishing residency in two different states. While this might seem unconventional, it can offer significant tax advantages if executed correctly. However, it's not without complexity, and the burden of proof lies with you.
Why Split Residency?
Each state has its own tax rules. Some don’t impose an income tax at all (think Florida, Texas, or Nevada), while others have high rates and tax all income, including retirement distributions. If one spouse spends more time in a no-income-tax state and can legitimately establish residency there, the couple might reduce their overall state tax liability.
This strategy is especially common when:
- One spouse retires earlier and relocates to a low- or no-tax state.
- Couples own property in multiple states and spend significant time in both.
- Remote work or seasonal living provides flexibility in location.
The Devil Is in the Details
Tax authorities are skeptical of claims that a high-income resident has suddenly “moved” to a low-tax state, especially if they continue to spend meaningful time in their former home state. If you go down this road, precise recordkeeping is critical.
Here’s what to keep in mind:
1. Count Your Days Carefully
Most states define residency partly by physical presence. For instance, spending 183 days or more in a state often makes you a tax resident there, even if you claim primary residency elsewhere. You and your spouse must individually track how many days each of you spends in each state.
2. Maintain Separate Ties
To strengthen your case, the spouse claiming residency in a low-tax state should:
- Register to vote and obtain a driver’s license in that state.
- File a Declaration of Domicile, if available.
- Use that address on tax returns, insurance, legal documents, and financial accounts.
- Join local organizations or clubs and use local medical providers.
Meanwhile, the other spouse may retain residency elsewhere, but both must maintain consistency in all official documentation and avoid anything that suggests dual residency for one person.
3. File Taxes Strategically
Depending on the states involved, you may need to file part-year or non-resident returns. Some states also tax worldwide income, so even partial residency could have implications. Work with a tax advisor who understands multi-state filings to avoid surprises.
Bottom Line:
Splitting state residency is a nuanced strategy that can yield tax savings, but it requires meticulous planning and diligent documentation. If you’re considering this approach, begin with a clear plan, establish your intentions legally, and keep detailed records of your time and ties in each state.
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