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Can a Co-Owner Force the Sale of a House in Ontario?

Find out how a partition and sale application works in Ontario, what a court considers when co-owners disagree, and what options you have besides a sale.

Real Estate4 min readTSLBy the Treadstone Law Team · OntarioUpdated October 28, 2026
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Key takeaways
  • Joint tenants have a prima facie right to force a sale under s. 2 of the Partition Act.
  • The person resisting the sale has the onus of showing why the property should not be sold.
  • A court will refuse only if satisfied the party seeking the sale is acting in a malicious, vexatious or oppressive fashion.
  • Courts can order a sale unless one owner buys out the other, and appeals go to the Divisional Court.

When one owner wants out of a shared home and the other refuses to sell, it can feel like a stalemate. Ontario has a legal route for these situations, usually called a partition and sale application, and it is more favourable to the owner who wants to sell than many people expect.

This article explains the basic rules, what a court looks at, and the realistic alternatives. Every case turns on its facts, so treat this as a starting point for a conversation with a lawyer.

The starting point: a right to ask the court

Joint tenants have a prima facie right to force a sale under s. 2 of the Partition Act. In plain words, prima facie means the right is presumed to exist unless the other side can answer it.

For a sale specifically, s. 3(1) of the Act allows an order only where the court considers a sale more advantageous to the parties interested. How these rules apply to owners who hold in other ways, or who are in a relationship breakdown, depends on the facts and is worth confirming with a lawyer.

What the court looks at

The onus is on the party resisting the sale to show why the property should not be sold. A court will refuse only if satisfied that the party seeking the sale is acting in a malicious, vexatious or oppressive fashion.

That is a high bar. Simply not wanting to move, or disliking the timing, is generally not the same as showing the other owner is acting maliciously or oppressively.

QuestionWhat the rules say
Who has the burden?The party resisting the sale
When will a court refuse?Only if satisfied the party seeking sale is acting in a malicious, vexatious or oppressive fashion
Does it matter if an owner is a minor or incapable?A court-ordered partition or sale binds them as effectively as a competent party
Where does an appeal go?The Divisional Court, not the Court of Appeal

Possible outcomes besides a straight sale

A court does not always simply order the house listed. The Court of Appeal has upheld an order that a house be sold unless the owner resisting the sale bought out the other owner's interest. This gives the person who wants to keep the home a chance to do so, but they must be able to pay and, usually, to finance it.

If a court order is needed to move title, land registry guidance says a vesting order should use the word 'vest' and state the full name and date of birth of the party in whom the land vests. A lawyer drafts these details.

Mortgages, spouses and other complications

What to do next

Frequently asked questions

Can my co-owner stop me from selling by just refusing?

Not necessarily. Joint tenants have a prima facie right to force a sale under s. 2 of the Partition Act, and the onus is on the person resisting to show why the property should not be sold.

What would stop a court from ordering a sale?

A court will refuse only if satisfied that the party seeking the sale is acting in a malicious, vexatious or oppressive fashion. Your own facts decide whether that could apply.

Can the other owner keep the house instead?

Possibly. The Court of Appeal has upheld an order that the house be sold unless the resisting owner bought out the other's interest.

Where do I appeal a partition decision?

Appeals from orders under the Partition Act go to the Divisional Court, not the Court of Appeal. A lawyer can confirm the steps and time limits.

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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