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Quantum Meruit Claims for Caring for a Parent Before Death in Ontario

Cared for a parent on a promise of reward? Learn how unjust enrichment and quantum meruit claims work against an Ontario estate, and what you must prove.

Wills & Estates5 min readTSLBy the Treadstone Law Team · OntarioUpdated October 28, 2026
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Key takeaways
  • A child who gave years of personal care to a parent on a promise of a share of property can succeed in unjust enrichment.
  • You must prove enrichment, a corresponding deprivation and no juristic reason for the enrichment.
  • Free room and board reduces an award only if everyone understood it as partial payment for the care.
  • Estate litigation follows the ordinary civil costs regime, and costs come out of the estate only where public policy considerations apply.

Many adult children move home, cut back their work or give up years of their lives to look after a parent who is ageing or ill. Sometimes the parent says, "You will be looked after," or promises a house, a share of the estate or some other reward. Then the parent dies, the will says nothing about it, and the family disagrees about whether the caregiver is owed anything.

This article explains in plain terms how Ontario courts have approached a claim by a caregiving child against a parent's estate. It is general information, not advice. These claims turn heavily on their facts, so the details of your situation matter a great deal.

What a caregiver claim is

A caregiver claim is a request that the court order payment from the estate because you provided services that were not paid for. Instead of relying on the will, it treats the unpaid care as something of value that the parent received and the estate kept.

The Court of Appeal for Ontario has recognized that a child who provides years of personal care to a parent on a promise of a share of property can succeed in unjust enrichment. The court also noted that housekeepers have succeeded on quantum meruit claims, which are claims for the reasonable value of services provided.

In everyday terms, unjust enrichment asks whether the estate was enriched at your expense without a good reason. Quantum meruit asks a more direct question: what were your services reasonably worth?

What you have to prove

In a care-for-reward claim, the person making the claim must prove three things: enrichment, a corresponding deprivation and the absence of a juristic reason. A juristic reason is a legal justification for the enrichment, such as a contract, a gift or a legal duty.

A promise of a share of property is often central. In the case the Court of Appeal considered, the claim turned on its particular facts, including a promise of half a house. The decision does not mean every caregiver succeeds. Whether a claim against an estate in particular follows the same path depends on the facts and is worth confirming with a lawyer.

Room and board, and what the other side will say

Caregivers who lived with the parent often face the argument that they received something in return. Free room and board reduces an award only if the parties understood it as partial compensation for the services. If it was simply how the family lived, it may not reduce the claim in that way.

Mutual benefits are weighed at the defence or remedy stage. Expect the estate trustee or other beneficiaries to point to anything you received.

IssueHow it can affect the claim
Promise of rewardCan support the claim that the care was given with an expectation of payment or property.
Room and boardReduces an award only if understood as partial compensation for services.
Mutual benefitsWeighed at the defence or remedy stage.
RemedyThe court may award money rather than a share of a specific asset; in one case it awarded equitable damages of $438,113 from house sale proceeds instead of a constructive trust.

Evidence and timing

The strength of a claim usually rests on evidence from the time. Useful material can include messages or letters where the parent promised something, medical records showing the level of care needed, calendars, and statements from relatives, friends or health workers who saw what you did. Records of income you gave up can help show the deprivation.

Timing matters. The basic limitation period is two years from the day the claim was discovered. When a claim like yours is discovered, and which deadlines apply to it, depends on the facts, so get advice early rather than assuming you have time.

Costs and what to do next

Estate litigation follows the ordinary civil costs regime, and costs come out of the estate only where public policy considerations apply, such as giving effect to valid wills, ensuring estates are properly administered, or litigation caused by the testator. A caregiver claim is a claim against the estate, so you should not assume the estate will cover your costs. Courts may also make blended costs orders in which the loser pays part of the other side's costs and the estate bears the balance.

Frequently asked questions

Can I claim if the will leaves me nothing?

How this applies when the will leaves you nothing depends on your situation, so it is worth confirming with a lawyer. A child who provided years of personal care on a promise of a share of property can succeed in unjust enrichment. Whether you can succeed depends on your evidence.

What is quantum meruit?

It is a claim for the reasonable value of services you provided. The Court of Appeal noted that housekeepers have succeeded on such claims. It is one way of putting a value on care.

Does living rent-free in my parent's home cancel my claim?

Not automatically. Free room and board reduces an award only if the parties understood it as partial compensation for the services. Other mutual benefits are weighed at the defence or remedy stage.

Will the estate pay my legal costs?

Not as a matter of course. Costs come out of the estate only where public policy considerations apply. A court may also split costs, with the loser paying part and the estate bearing the balance.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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