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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Family Law & Divorce Ontario » Estate Rights of Common-Law Partners in Ontario: Why You Need a Will

Estate Rights of Common-Law Partners in Ontario: Why You Need a Will

27 Jun 2026 4 min read No comments Family Law & Divorce Ontario
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In Ontario, common-law partners have zero automatic inheritance rights under intestacy laws. If your partner dies without a valid will, their blood relatives inherit everything. Drafting a basic will with an Ontario law firm typically costs between $500 and $1,500 CAD.

Many couples living in Toronto, Ottawa, and Mississauga believe that after a few years of cohabitation, they are legally considered married. 🏠 While this might be true for filing your taxes with the Canada Revenue Agency (CRA), it is absolutely false when it comes to estate law in Ontario. Under the provincial Succession Law Reform Act, common-law couples are completely excluded from automatic property inheritance.

If your partner passes away unexpectedly without a will, you could find yourself locked out of your shared home and bank accounts. The law defaults to giving the estate to their children, parents, or siblings. To protect your family, you must take proactive legal steps. We highly recommend browsing our directory to find a local estate lawyer to draft your documents before a tragedy occurs.

Step-by-Step Process for Protecting Your Common-Law Partner in Ontario

Securing your partner’s financial future requires a combination of legal drafting and proper account management. Here is the standard process most estate professionals recommend for unmarried couples.

Step 1: Understanding Ontario’s Intestacy Rules

First, you must understand the risks of dying “intestate” (without a will). 🔍 If you die without a will, the Ontario government dictates who gets your assets. A legally married spouse gets a preferential share (currently $350,000 CAD) plus a portion of the remainder. A common-law partner gets absolutely nothing. Acknowledging this stark reality is the first step toward fixing it.

Step 2: Drafting a Legal Last Will and Testament

The most crucial step is having an estate lawyer draft a formal Last Will and Testament. In this document, you explicitly name your common-law partner as the primary beneficiary of your estate. To be legally binding in Ontario, the will must be signed in the physical or virtual presence of two witnesses. Under Section 12(1) of the Succession Law Reform Act, if a beneficiary (or their spouse) witnesses the signing, the will itself remains fully valid, but any gift to that witness becomes completely void. Therefore, to protect your partner’s inheritance, you must ensure that neither they nor their spouse acts as a witness.

Step 3: Updating Beneficiary Designations

Not all assets flow through a will. 💰 Financial products like RRSPs, TFSAs, and Life Insurance policies allow you to name a direct beneficiary. You must log into your banking portals or contact your financial advisor to ensure your partner is listed as the primary beneficiary. These assets will then pass directly to them, bypassing the lengthy probate process.

Step 4: Setting Up Joint Tenancy on Real Estate

If you own a home together in Hamilton or London, check how the title is registered. It should generally be registered as “Joint Tenants” rather than “Tenants in Common.” Under joint tenancy, if one partner dies, the legal ownership of the house automatically transfers to the surviving partner (Right of Survivorship), preventing blood relatives from forcing a sale.

Step 5: Filing a Dependant’s Support Claim (If It Is Too Late)

If your partner has already passed away without a will, you still have one legal lifeline. 📝 You can file an application at the Superior Court of Justice for “Dependant’s Support.” You must prove that you were financially dependent on your partner and that the estate failed to make adequate provision for you. This is a complex, stressful lawsuit against the estate’s beneficiaries.

How Much Does it Cost in Ontario?

Preventative estate planning is vastly cheaper than estate litigation. 💵 Here is a breakdown of typical costs in CAD for Ontario residents.

  • Basic Will Drafting: Most law firms charge between $500 and $1,500 CAD for a single will, or $800 to $2,000 CAD for mirror wills for a couple.
  • Powers of Attorney: Usually bundled with a will, or $150 to $350 CAD separately.
  • Title Search and Transfer: Changing a house title to Joint Tenancy generally costs $700 to $1,200 CAD in legal fees.
  • Dependant’s Support Litigation: If you must sue the estate, expect a lawyer retainer of at least $5,000 to $15,000 CAD.

Key Differences: Married vs. Common-Law Estate Rights

FeatureLegally Married SpousesCommon-Law Partners
Intestacy InheritanceAutomatic right to the first $350,000 CAD plus a share of the rest.Zero automatic inheritance rights.
Matrimonial HomeAutomatic right to stay in the home for 60 days rent-free.No right to stay if not on the property title.
Dependant SupportCan claim if excluded from the will.Can claim if excluded, but must prove financial dependence.

How Long Does the Process Take?

Drafting a will with a lawyer usually takes 2 to 4 weeks from the initial consultation to the final signing. Conversely, if you have to sue an estate for dependant support, the litigation process in the Superior Court of Justice can drag on for 1 to 3 years.

Frequently Asked Questions (FAQ)

How long do we have to live together to be common-law?

For family law and dependant support in Ontario, it is generally 3 years of continuous cohabitation, or 1 year if you have a child together. (Note: The CRA uses a 1-year rule for taxes, which confuses many people).

Can his children kick me out of the house?

If the house was solely in your partner’s name and they died without a will, yes. Their children will inherit the house and can legally evict you, though you may ask a court to delay it by filing a support claim.

Do we need a lawyer to write a will?

While holographic (handwritten) wills are legal in Ontario if entirely in your own handwriting, they are highly prone to errors. Using a lawyer ensures your estate plan is dispute-proof and legally sound.

What if they promised me the house verbally?

Verbal promises regarding real estate are almost impossible to enforce in Ontario courts. The Statute of Frauds generally requires real estate transfers and wills to be in writing.

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