Sarah D. McDaniel, CFA

Mar 02, 2026

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March Summons Snowbirds Home: Multi-State Estate Tax Planning Strategies

As snowbirds enjoy their annual migration to warmer climates, most are focused on escaping icy roads and enjoying sunshine. But there’s a critical financial consideration that many overlook: state estate taxes. With an estimated $124 trillion in assets transferring to younger generations over the next two decades, and states increasingly turning to wealth taxes to fund growing priorities, understanding the state tax implications of owning multiple properties has never been more important.

The snowbird’s dilemma: when a client’s winter paradise becomes a tax trap

The appeal of owning a second home in Florida, Arizona, or another warm-weather destination is undeniable. Advisors who talk to clients about multi-state property ownership distinguish themselves by discussing the complex web of tax obligations that significantly impacts clients’ estate planning and their heirs’ inheritance. 

Consider a client who’s a resident of Minnesota, which has a state estate tax exemption of just $3 million, and owns a vacation home in Florida worth $800,000. While Florida has no state estate tax, the Minnesota residency means the entire estate—including that Florida property—needs to be considered in calculating the Minnesota  estate tax rates with rates up to 16%. This could mean hundreds of thousands of dollars more in state estate taxes that careful planning might have avoided.

Even more concerning is the issue of non-resident state estate tax. If a client is a Florida resident with a vacation home in Oregon, where the estate tax exemption is only $1 million, the estate could owe Oregon state estate tax on that property’s value even though the client is not an Oregon resident. Twelve states plus Washington D.C. currently impose state estate taxes, each with different exemption amounts ranging from Oregon’s $1 million to Connecticut’s $15 million (matching the federal exemption). For more information on individual state estate taxes, please visit the Tax Foundation’s Estate and Inheritance Taxes by State website. 

The legislative landscape: diverging state tax policies

The state tax environment is becoming increasingly polarized. Some states like Texas, Florida, and North Carolina continue to cut or eliminate income taxes to attract wealthy residents. Meanwhile, other states are doubling down on taxing high earners and substantial estates. 

One noteworthy example, California’s proposed Billionaire Tax Act would impose a one-time 5% tax on the total net worth of California residents worth $1 billion or more, retroactively effective January 1, 2026—taxing assets rather than income. 

But it’s not just California. Virginia has proposed a 10% tax bracket on those making more than $1 million annually. Washington state is considering a 9.9% tax on those earning over $1 million per year, building on its 2022 capital gains tax. Michigan’s “Invest in MI Kids” initiative would add a 9.25% top rate for high earners. Rhode Island is considering a 3% surtax on millionaire earners, while New York’s mayor has proposed additional taxes that would bring the combined city and state rate to 16.8%—or 53.8% when including federal taxes.

Meanwhile, Massachusetts’s Fair Share Amendment—a 4% surtax on income over $1 million—has generated nearly $3 billion in its second year, more than twice initial estimates. Proponents are pointing to this as proof that the wealthy won’t flee higher taxes, emboldening other states to follow suit. 

Establish residency: prevent clients from being taxed as resident in multiple states

States use various factors to determine residency, and the rules differ by state. Most consider spending at least half the year within state borders a key requirement, but they also look at driver’s licenses, voter registration, vehicle registration, housing documents, and utility bills. Many American snowbirds use their winter homes to declare permanent residency in low- or no-tax states, claiming lower non-resident income taxes in their former home states.

However, establishing a true domicile, a person’s one permanent legal residence, requires more than just spending time somewhere. States are increasingly aggressive in challenging residency claims, especially when significant tax revenue is at stake. Getting this wrong can result in being taxed as a resident by multiple states simultaneously.

Here’s a common scenario: A client establishes a Florida domicile, moving their life and primary residence, updating their drivers license, and changing their voting registration. But they still own a home in Massachusetts. If they spend more than 183 days in Massachusetts during the tax year, Massachusetts will consider them a resident for income tax purposes, rendering their Florida domicile meaningless for state tax savings.

The compounding impact: implications for beneficiaries inheriting out of state properties

Beyond estate taxes, owning property in multiple states creates additional burdens for heirs. Out-of-state real estate can trigger “ancillary probate” or a secondary probate process in each state where property is located. This means more legal fees, more time in court, and more hassle for grieving families at an already difficult time.

Family conflicts often emerge when siblings inherit property jointly. One heir may want to keep the cherished family vacation home, while another needs liquidity and wants to sell. When heirs can’t agree, the situation can force a sale or require complex buyout arrangements while navigating the estate tax implications in multiple states.

A recent survey found that 58% of millennials fear family conflict over inheritance more than financial issues themselves. With approximately 6.5 million second homes in the United States, concentrated heavily in Florida, Arizona, California, Michigan, New York, North Carolina, Pennsylvania, and Texas, this is far from a niche concern.

Strategic solutions: trusts, LLCs, and proactive planning

Fortunately, there are proven estate planning strategies to mitigate these challenges:

Revocable Living Trusts are often the most effective way to avoid ancillary probate. When property is held in a trust rather than owned individually, it passes directly to beneficiaries without going through probate in multiple states.

Limited Liability Companies (LLCs) have become increasingly popular for holding vacation homes. Parents can transfer interest in the LLC to children gradually using annual gift tax exclusions while retaining control. The LLC operating agreement can designate a property manager, outline maintenance cost responsibilities, and include buyout options if heirs disagree about keeping the property.

Qualified Personal Residence Trusts (QPRTs) allow homeowners to transfer property to beneficiaries at reduced gift tax values while retaining the right to live in the home for a specified term.

Strategic relocation may make sense for some families. Moving primary residency to a state with no estate tax like Florida, Texas, or Nevada before the Great Wealth Transfer accelerates could save heirs substantial tax dollars. However, this requires genuine intent and action to establish domicile, not just a paper change of address.

How Vanilla helps families navigate these complex decisions

This is where Vanilla’s sophisticated planning tools become invaluable. Vanilla’s estate planning platform is designed for advisors and their clients to offer powerful capabilities specifically designed to help families make informed decisions about multi-state property ownership and residency.

Comprehensive state estate tax calculations: Vanilla models state estate tax for all 12 states plus D.C. that impose these taxes, automatically calculating both resident and non-resident state estate tax based on property locations. The platform accounts for state-specific nuances like New York’s estate tax “cliff,” portability provisions in Hawaii and Maryland, and exemption amounts that range from $1 million in Oregon to $15 million in Connecticut.

Scenario modeling for informed decisions: Vanilla Scenarios™ provides powerful modeling capabilities for “what-if” situations, quantifying the impact of different choices:

• What if we sell the vacation home versus keeping it and passing it to heirs?
• What happens if we relocate our primary residence to Florida versus staying in New York?
• How would inheriting the out-of-state property affect our children’s estate tax exposure?
• Should we transfer the property to an LLC or trust, and what are the tax implications?

Each scenario shows detailed transfer tax calculations at both first and second death, including state estate taxes, inheritance taxes (for Pennsylvania residents or property owners), federal estate taxes, and generation-skipping transfer taxes.

Visual family tree and balance sheet integration: Vanilla’s family tree feature allows advisors to identify and review the states of residence for each family member, making it easy to spot potential issues like a child living in Massachusetts who might inherit property from parents in Florida. The balance sheet shows real estate ownership and locations, immediately highlighting potential non-resident state estate tax exposure.

Multi-state property tax analysis: The platform can track properties in different states and calculate the proportional estate tax that might apply to each. This is particularly important for non-resident estate tax situations, where only the in-state property value is subject to tax, but at rates that can still be substantial.

Transfer tax waterfall: Vanilla provides a comprehensive transfer tax waterfall that shows exactly how assets flow at death, what taxes apply, and what beneficiaries ultimately receive. This visualization helps families understand the real after-tax impact of their current plan versus alternative strategies.

Making the decision: keep, sell, or restructure?

Using Vanilla Scenarios, consider this real example: A couple residing in Maine owns a vacation home in Florida worth $1.5 million. Their total estate is $10 million. Florida does not have a state estate tax, but Maine has only a $7.16 million exemption.

Scenario 1: Stay in Maine
Maine estate tax would be approximately $193,000. Assuming growth, total transfer taxes could exceed $1,000,000 in as short as ten years.

Scenario 2: Relocate to Florida
By establishing domicile in Florida (which has no estate tax) and selling any Maine real estate, they could potentially eliminate state estate tax entirely.

Scenario 3: Transfer any Maine real estate to a trust
The family may want to keep a lake cabin or other Maine property. By placing the Maine real property in an irrevocable trust, like a SLAT or IDGT, they could remove the property’s appreciation from their Maine taxable estate while maintaining family control and use. If they stay in Maine (Scenario 1), this could help reduce Maine estate taxes. But, if they move to Florida (Scenario 2), this irrevocable trust could eliminate Maine estate taxes.

Vanilla Scenarios™ shows the potential tax impact of each option, allowing the family to make a truly informed decision that balances their lifestyle preferences with their legacy goals.

The time to act is now

As state legislatures increasingly turn to wealth taxes to fund growing budgets, and as the Great Wealth Transfer accelerates, snowbirds and their families face a critical decision point. The difference between proactive planning and reactive scrambling can easily amount to hundreds of thousands or even millions of dollars in unnecessary taxes and legal fees.

The good news is that with the right tools and expert guidance, families can model these complex scenarios, understand their options, and implement strategies that preserve both their cherished vacation homes and their wealth for future generations. Whether that means restructuring property ownership, relocating primary residency, or making strategic gifts to the next generation, the key is to make these decisions based on comprehensive analysis rather than guesswork.

For financial advisors, Vanilla provides the sophisticated modeling capabilities needed to have these important conversations. By quantifying the tax impact of different choices and showing clients the real numbers, advisors can help families navigate one of the most complex aspects of modern estate planning: the intersection of multi-state property ownership, evolving state tax regimes, and the largest intergenerational wealth transfer in history.

The warm weather will always be there. But without proper planning, the family wealth clients have worked a lifetime to build might not be. Don’t let state estate taxes turn a winter paradise into a tax trap for heirs.

Ready to help your clients navigate multi-state estate planning? Request a demo today.

The information provided here does not constitute legal, financial, or tax advice. It is provided for general informational purposes only. This information may not be updated or reflect changes in law. Please consult with an estate attorney, financial advisor, or tax professional who can advise as to your particular situation.