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Selling Property Owned by a Minor in Ontario

A minor can't legally sign away their interest in Ontario real estate. Here's why court involvement is usually required, and how the process generally works.

Real Estate5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • Parents can make many decisions for their children, but signing away a legal interest in real property isn't automatically one of them.
  • A minor inherits an interest in a home or cottage under a will or on an intestacy.
  • Selling a minor's interest in real property in Ontario generally requires a court application seeking approval of the sale.

It comes up more often than people expect: a child inherits a share of a house, is added to title as part of a family arrangement, or ends up co-owning a cottage passed down through a family. Then, years or even months later, someone wants to sell — and discovers that selling property owned by a minor in Ontario isn't as simple as getting a parent to sign on the child's behalf.

A minor doesn't have the legal capacity to sign a valid transfer of real property or give an enforceable discharge of their own interest in land. That single fact changes the entire process, usually adding a court step that an ordinary resale transaction never touches.

Why a Parent Can't Just Sign for a Minor

Parents can make many decisions for their children, but signing away a legal interest in real property isn't automatically one of them. A minor's ownership interest in land is protected in a way that requires independent oversight before it can be sold or encumbered — the law doesn't treat a parent's consent alone as sufficient, even where the parent is acting in obvious good faith and the sale is clearly in the child's interest.

How This Situation Comes Up

The Court Approval Process, in General Terms

Selling a minor's interest in real property in Ontario generally requires a court application seeking approval of the sale. In many cases, someone will need to be appointed or recognized with authority to act on the minor's behalf for the purpose of the transaction — sometimes a parent acting as litigation guardian, sometimes with independent involvement from Ontario's Office of the Children's Lawyer, which can be engaged where a minor has a property interest at stake.

The court's focus is on protecting the minor's interest, not simply approving whatever the adults involved have already agreed to. That typically means the court will also want assurance about what happens to the minor's share of the proceeds — commonly, proceeds attributable to the minor are held in trust or otherwise protected until the minor reaches the age of majority, rather than paid out directly.

Who's Typically Involved

Timing: Build In Extra Room

A sale involving a minor's interest takes longer than a typical resale closing, because it depends on a court process running in parallel with (or ahead of) the real estate transaction itself. If you know a minor holds any interest in a property you're planning to sell, raise it with your lawyer immediately — ideally before you list, and certainly before you sign an Agreement of Purchase and Sale with a tight closing date.

Frequently asked questions

Can a parent sign a purchase agreement on behalf of their minor child?

A parent can often sign as part of the process, but that alone doesn't complete the transaction — court approval is generally still required before a minor's interest in real property can actually be conveyed.

What happens to the sale proceeds that belong to the minor?

They're typically protected in some form — often held in trust — until the minor reaches the age of majority, rather than paid directly to a parent or guardian. The exact mechanism depends on the court's order in your specific case.

Does this apply even if the minor only owns a small percentage of the property?

Yes. Any legal interest a minor holds, however small, generally triggers the same requirement for court involvement before that interest can be sold.

How long before closing should I start this process?

As early as possible. Court timelines don't move at the same pace as a real estate transaction, so this is one of the first things to flag to your lawyer if you're aware a minor has an interest in the property.

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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