US estate tax exposure for Canadians — who pays, and where?

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Answer

US real property and shares in US corporations are US-situs assets whoever holds them and wherever they are held. The obligation is decided by facts rather than by tax owing, which is why a nil position does not remove it.

The rule on who files

US real property and shares in US corporations are US-situs assets whoever holds them and wherever they are held. The amount that passes free of US estate tax for a non-resident is far smaller than for a US person, and the treaty is what closes part of that gap.

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When it does not bind you

A Canadian who never lived in the United States can still owe US estate tax — because the test is where the assets are, not where the owner was.

US estate tax exposure for Canadians — who pays, and where?
ItemAmount
Worldwide estateC$1,485,000
Assets situated in the USC$222,750
Proportion of the estate exposed15%
Relief mechanismTreaty credit, pro-rated by the same proportion

The exposure follows the 15% rather than the whole estate, and the treaty relief available to a Canadian estate is pro-rated on the same ratio. That ratio is the number to manage — through how the US assets are held, not through where the owner lives.

Example figures throughout, selected to make the rule visible, with rates and thresholds assumed for the demonstration. Your actual filing uses figures confirmed with the issuing authority for your tax year.

What to do next

The full treatment — who it binds, the deadline, the penalty and the fixed fee — is on US estate tax exposure for Canadians. Whatever you have is enough to start the conversation, including nothing but the dates.

Reviewed against current guidance for the 2025 and 2026 filing seasons by Udit Gupta, Cross-Border Tax Expert, Legal Quotient Consultants. Published as general information. For a position on your own file, call the 24-hour helpline.

US expat tax — what this page covers

The search that brings most people to this page is US expat tax. It is answered here for US estate tax exposure for Canadians: what creates the obligation, which filings discharge it, and the fee agreed before the work starts.

What these engagements turn on

Case study 1

Mapping a couple's US exposure before either of them died

A Canadian couple owned a US vacation property and a portfolio containing US-listed shares, and had no US filing history of any kind. We built an inventory separating US-situs assets from the rest, expressed the exposure as a proportion of the worldwide estate, and set out how the treaty relief available to a Canadian estate is pro-rated on that same ratio. The engagement produced a documented position and a written brief for their executors, so the question would not be discovered during administration.

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Case study 2

Reconstructing an estate's situs inventory during administration

The US question surfaced only after probate had begun, when a broker asked for US paperwork. We worked from statements, the will and the schedule of assets to establish what the estate actually held at the date of death, separated US-listed holdings and US real property from everything else, and documented the basis for each classification. The work produced a dated situs inventory the executor could rely on, and a clear view of which assets could be distributed and which had to wait.

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Case study 3

Advising against a US holding company that solved nothing

A client had been told that placing a US rental property inside a US corporation would take it outside the estate tax regime. We set out why shares in a US corporation are themselves US-situs assets, so the plan exchanged one exposed asset for another while adding annual filings and a second layer of tax on the income. The engagement produced a written analysis the client could weigh against the other reasons for incorporating, and a decision recorded on the facts rather than on the slogan.

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Case study 4

Sorting US-situs holdings across registered and taxable accounts

A retired client held US-listed securities across several accounts, some registered and some not, and assumed the registered ones were outside the picture. We reviewed every holding, identified which were shares in US corporations regardless of the account holding them, and produced a schedule showing the exposed sub-total against the worldwide estate. The work produced a written summary of where the exposure sat, and a list of the holdings whose classification the executors would need evidence for at the time.

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Case study 5

Separating the estate's exposure from where the beneficiaries live

In a family with children on both sides of the border, the assumption was that a US beneficiary somehow created the estate's US exposure and a Canadian one avoided it. We separated the two questions: what the estate held and where those assets were situated, which decides the exposure, and the beneficiaries' own positions, which is a different analysis entirely. The engagement produced a documented exposure measured on the assets alone, and a note on each beneficiary's questions for their own advisers.

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Case study 6

Evidencing a mortgage on a US property before it was needed

A Canadian client held US real property with borrowing secured against it, and had assumed the debt simply netted off. We established how the borrowing was documented, who was liable on it, and what an executor would need to evidence the position to a US authority. The work produced a file holding the loan agreement, the security documents and the payment history, and a written note of what was missing, while the client was still there to be asked about it.

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Case study 7

US Estate Tax on Assets a Canadian Did Not Know Were Exposed

US shares and US real estate sit inside the US estate tax net regardless of where the owner lives. The treaty provides relief that is proportionate rather than automatic, and the calculation depends on the worldwide estate.

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Case study 8

Documentation Built to the US Standard

The US requirements differ from the OECD-aligned ones in what has to exist at the time of filing, and a file prepared for one regime can leave the other unprotected. The engagement builds to whichever governs.

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Asked next about US estate tax exposure for Canadians

I am Canadian and own a US condo — will my estate owe US estate tax?

It is exposed to the regime, which is not the same as owing tax. US real property is a US-situs asset whoever holds it, so the test is met by the property itself. What then matters is the value of your US-situs assets, the much smaller amount that passes free of US estate tax for a non-resident compared with a US person, and the treaty relief that closes part of that gap. A Canadian who has never lived in the United States can still be inside these rules.

Do US shares held in my Canadian brokerage account count?

The account's location is not the test. Shares in US corporations are US-situs assets wherever they are held and whoever holds them, so US-listed holdings in a Canadian account can form part of the exposed estate. This surprises people who assume the custodian decides the answer. The practical step is an inventory: go through the holdings and separate what is US-situs from what is not, because the exposure is measured against that sub-total rather than against the whole portfolio.

I have never lived in the United States — why does US estate tax apply?

Because the test is where the assets are, not where the owner was. Residence, citizenship and time spent in the country do not enter into it for these purposes. If the estate includes US real property or shares in US corporations, those assets are within the regime, and the fact that the deceased never set foot in the United States changes nothing about their situs. Residence does matter for how much passes free of tax and for treaty relief, but not for whether the rules reach you at all.

Does the Canada–US treaty remove US estate tax for Canadians?

It softens the position rather than removing it. The amount that passes free of US estate tax for a non-resident is far smaller than for a US person, and the treaty is what closes part of that gap. Relief is proportionate to the exposure rather than a flat exemption, so the ratio of US-situs assets to the worldwide estate is the figure to understand and, where possible, to manage. Treating the treaty as an answer rather than as partial relief is how estates arrive unprepared.

Will holding the US property through a company solve the problem?

Not if that company is a US corporation. Shares in US corporations are themselves US-situs assets, so this exchanges one exposed asset for another and adds a layer of filing. Holding structures are sometimes useful for other reasons, and they change who holds title, the income tax treatment and the administration on death. But the situs question has to be answered for whatever the estate ends up owning. Ask what the estate will hold, then ask where that asset is situated.

Who actually pays US estate tax, my estate or my beneficiaries?

The charge falls on the estate, and in practice it is the executor who has to establish the position, file and settle it before assets are distributed. That has two consequences worth planning for. The first is liquidity: if the US-situs asset is real property, there may be nothing cash-like in the estate to pay from. The second is timing, because a distribution made before the position is settled leaves the executor personally exposed to an obligation they can no longer fund.

What does "received a distribution from a foreign trust" mean on my return?

It is asking whether the trust conferred anything on you during the year — cash, property, or the use of trust property, including rent-free occupation of a house and, in some circumstances, a loan. Answering yes brings an information return, and where the distribution includes income accumulated in earlier years the tax computation can carry an interest charge for the delay. Trust accounts showing the composition of the distribution are what keep that computation from defaulting against you. See Form 3520.

How do I report the sale of a foreign property?

On your residence-country return, as a disposition, with proceeds and cost base converted at the rates for their own dates. Separately, the country where the property sits may require its own return and may hold back tax at closing until a clearance or certificate is issued — Canada does this for a non-resident vendor, and the United States withholds on a foreign seller of US real property. Those steps have their own deadlines, often before closing. See clearance certificates on a property sale.

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