Cross-Border Estate Planning: Navigating International Laws for Asset Management and Distribution
When your life spans Canada and the United States, your estate plan has to work in two places at once. A will that is perfectly valid in Ontario may not meet the legal standards in Arizona. A beneficiary in Calgary may face unexpected tax consequences receiving an inheritance from a Florida property. And without a coordinated plan in both countries, your family could face probate proceedings on two sides of the border simultaneously.
Cross-border estate planning is not simply about having a will. It is about building a plan that holds up under two different legal systems, two different tax regimes, and two different sets of rules about what you own, where you own it, and who can receive it.
At 49th Parallel Wealth Management, this is one of the most important — and most often overlooked — areas we help clients address.
Why Cross-Border Estate Planning Is Different
Most estate planning focuses on a single jurisdiction. You work with a local attorney, prepare a will, name your beneficiaries, and set up any trusts you need. When your assets and family are in one country, that approach works well.
When your life crosses the border, the complexity multiplies. Canada and the United States have fundamentally different approaches to taxing and transferring wealth at death.
Canada does not have a formal estate tax, but it does impose a deemed disposition tax when you die. The CRA treats most of your assets as if they were sold on the day you pass away, triggering capital gains on any appreciation. Your RRSP or RRIF balance is also fully included in your income in the year of death unless it passes to a qualifying spouse.
The United States imposes a federal estate tax on estates above the exemption threshold — currently over $13 million USD per individual, though this figure is scheduled to change significantly after 2025. However, non-US persons who own US-sited assets — including real estate, US brokerage accounts, and certain US securities — face a much lower exemption of only $60,000 USD. This catches many Canadians completely off guard.
If you hold assets in both countries, both sets of rules apply. The Canada–US Tax Treaty provides some relief and credits that can prevent outright double taxation, but applying those correctly requires careful, coordinated planning in advance.
The Probate Problem
Probate is the legal process by which a court validates your will and authorizes your executor to act. In most Canadian provinces, probate is handled at the provincial level. In the US, it is handled state by state.
If you own property in both countries, your estate may need to go through probate in both — and potentially in multiple provinces or states if your assets are spread across jurisdictions. Each process takes time, costs money, and can delay distributions to your family by months or years.
Proper cross-border estate planning can reduce or eliminate this exposure through structures such as:
- Joint tenancy with right of survivorship — assets pass directly to the surviving owner without probate
- Beneficiary designations — registered accounts and life insurance policies can pass outside of the will entirely
- Revocable living trusts — particularly common in the US, these allow assets to transfer to beneficiaries without going through probate at all
- Canada–US cross-border trusts — more complex structures designed specifically for families with assets and heirs in both countries
The right approach depends on your specific situation — where your assets are held, where your beneficiaries live, and whether you are a US person, a Canadian resident, or both.
Wills That Work in Both Countries
One of the most common gaps we see is a single will that was written in one country without considering whether it is enforceable in the other.
A few important principles:
You can have more than one will. In fact, for clients with significant assets in both Canada and the US, having separate wills for each jurisdiction is often the most practical solution. A Canadian will governs your Canadian assets; a US will governs your US assets. The key is making sure the two documents are coordinated so they do not conflict with or revoke each other.
Powers of attorney need to work across borders. If you become incapacitated, someone needs the legal authority to manage your finances and make healthcare decisions on your behalf. A power of attorney that is valid in Canada may not be recognized in a US state. Planning for this in advance — while you are healthy — avoids serious complications later.
Executor selection matters more than most people realize. Naming an executor who lives in another country can create logistical challenges, bonding requirements, or legal obstacles depending on the jurisdiction. This is worth discussing with a cross-border estate planning attorney.
Retirement Accounts and Registered Plans
Accounts like RRSPs, RRIFs, IRAs, and 401(k)s all require careful attention in a cross-border estate plan.
RRSPs and RRIFs can pass to a surviving spouse on a tax-deferred basis in Canada. But if your spouse is a US person — or if your beneficiaries live in the US — the tax treatment on their end can be complicated. US beneficiaries receiving Canadian registered plan proceeds may face US income tax on those funds without proper treaty elections.
IRAs and 401(k)s left to Canadian beneficiaries may be subject to withholding taxes and require specific treaty positions to shelter growth inside the account. Without planning, a Canadian heir can find themselves owing tax in both countries on the same inherited account.
Naming the right beneficiaries, in the right order, with the right documentation is a critical step that often gets deferred until it is too late to optimize.
US Estate Tax for Canadians with US Assets
This is one of the most financially significant issues for Canadian residents who own US property.
If you are a Canadian resident who is not a US citizen or green card holder, and you own US-sited assets at death, the US federal estate tax applies to those assets above a $60,000 USD exemption. This can include:
- Real estate in the US (a vacation property in Arizona or Florida, for example)
- US stocks held in a non-registered account
- Interests in US business entities
The Canada–US Tax Treaty provides a credit mechanism that can significantly reduce or eliminate this exposure for estates that are large enough to benefit — but the rules are complex and the planning needs to be done proactively, not after the fact.
Strategies to address this include holding US real estate inside a Canadian corporation, using life insurance to fund the potential estate tax liability, or restructuring ownership to reduce US-sited exposure. The right approach depends on the value of the assets, how you use them, and your overall estate plan.
What a Coordinated Cross-Border Estate Plan Looks Like
A well-constructed cross-border estate plan typically includes:
- A full asset inventory — identifying everything you own, where it is held, and how it is titled in each country
- Coordinated wills — either a single will with cross-border provisions, or separate jurisdiction-specific wills designed to work together
- Updated beneficiary designations — reviewed to ensure they achieve the intended outcome in both countries
- Powers of attorney — valid and enforceable in each jurisdiction where you have assets or may need care
- Registered plan strategy — a clear plan for how RRSPs, RRIFs, IRAs, and 401(k)s will be handled at death and who receives them
- US estate tax analysis — if you hold US-sited assets, a clear picture of potential exposure and the steps to address it
- Coordination with legal professionals — we work alongside your estate planning attorney or attorneys in both countries to make sure the financial and legal pieces align
Getting Started
Estate planning is one of those things that feels urgent when something happens and easy to defer when everything is fine. For families with ties to both Canada and the United States, the cost of not planning — in taxes paid, probate fees incurred, and family stress created — can be significant.
You do not need to have everything figured out before you start. You need a clear picture of what you own, where it is, and who you want to receive it. From there, we can help you identify the gaps and build a plan that protects your family on both sides of the border.
If you would like to talk through your situation, book a complimentary consultation with Lucas Wennersten at 49th Parallel Wealth Management.
