- An estate trustee is a fiduciary, which means they must act in the best interests of the estate and its beneficiaries, not their own.
- - Simply disagreeing with a discretionary decision the executor was legally entitled to make - The estate taking longer than the beneficiary would like, without more - An executor’s…
Yes, a beneficiary can sue an executor (formally called an estate trustee) in Ontario, but not simply because they are unhappy with how long things are taking or disagree with a decision the executor made. Courts give estate trustees real discretion to administer an estate, and a beneficiary needs an actual legal basis, not just frustration, to succeed.
Understanding what that basis looks like, and what remedies are actually available, helps set realistic expectations before you spend money pursuing a claim.
What an Estate Trustee Is Legally Required to Do
An estate trustee is a fiduciary, which means they must act in the best interests of the estate and its beneficiaries, not their own. That role comes with specific obligations:
- Collect and protect estate assets promptly
- Keep estate property completely separate from personal property
- Keep accurate, organized records and accounts of everything that comes in and goes out
- Distribute the estate according to the will, or the intestacy rules if there is no will
- Act impartially between beneficiaries, even if some are easier to deal with than others
Grounds That Can Support a Claim
| Ground | What it typically looks like |
|---|---|
| Breach of fiduciary duty | Self-dealing, favouring one beneficiary, undisclosed conflicts of interest |
| Mismanagement of assets | Careless investment, failure to protect or insure estate property |
| Failure to account | Refusing to provide records or explain where estate funds went |
| Unreasonable delay | No meaningful progress toward distributing the estate over an extended period |
| Improper distribution | Paying assets to the wrong people, or before debts and taxes are resolved |
What Beneficiaries Generally Cannot Sue For
- Simply disagreeing with a discretionary decision the executor was legally entitled to make
- The estate taking longer than the beneficiary would like, without more
- An executor’s compensation on its own, unless the amount claimed is genuinely excessive relative to the effort involved
The Usual Paths a Claim Can Take
- Request an informal accounting first. Many disputes start, and end, with a clear written request for records and an explanation.
- Application to compel or pass accounts. If the executor will not account voluntarily, a beneficiary can ask the court to order a formal passing of accounts, where the executor’s conduct is reviewed line by line.
- Application to remove the estate trustee. In more serious cases, a beneficiary can ask the court to remove the executor entirely and appoint someone else.
- Claim for damages. Where mismanagement caused real financial loss to the estate, a beneficiary may seek compensation for that loss.
What Courts Generally Consider
Courts weigh the seriousness of the conduct, whether the estate or beneficiaries suffered actual harm, and whether a less drastic remedy, such as ordering an accounting, would fix the problem before resorting to removal. Removing an estate trustee is not something courts do lightly; it typically requires clear evidence, not just friction between family members.
Before You Go to Court
Court proceedings against an estate trustee take time and cost money, and those costs are not automatically covered by the estate. A judge can order costs to be paid from the estate, personally by the estate trustee, or by the beneficiary who brought the claim, depending on how the proceeding unfolds and who is found to be at fault. Before filing anything, it is worth:
- [ ] Putting your concerns in writing and giving the executor a real chance to respond
- [ ] Gathering whatever documentation you already have, such as correspondence or account statements
- [ ] Getting a lawyer’s assessment of whether your concern is a genuine legal claim or a discretionary decision the executor was entitled to make
Frequently asked questions
What is the difference between an "executor" and an "estate trustee"?
They mean the same thing. "Estate trustee" is the modern, formal Ontario court term; "executor" (where there is a will) and "administrator" (where there is not) are the familiar names most people still use.
Do I need to go to court to get an accounting?
Not always. A well-worded written request, sometimes backed by a lawyer’s letter, resolves many accounting disputes without a court application. Court is generally the option when informal requests are ignored.
Can I remove an executor just because I don’t get along with them?
No. Personal conflict alone is not a legal ground for removal. Courts look for actual misconduct, mismanagement, or a genuine failure to carry out the executor’s duties, not personality clashes.
What if the executor is also a beneficiary and seems to be favouring themselves?
That combination is common and not automatically improper, but it does raise the stakes if favouritism becomes real. An estate trustee who is also a beneficiary must still treat all beneficiaries impartially and account for their decisions like anyone else in that role.
This is a wills & estates question
Start a file online — flat, published fees, reviewed by a licensed Ontario lawyer before a dollar is owed.