Ontario and BC use fundamentally different models. What counts as excluded property, how debts factor in, and why pensions are the asset most people undervalue.
Dividing property is often the most financially consequential part of separation. The family home, retirement savings, pensions, investments, debts, all of it has to be accounted for. What most people don't realize is that the rules differ significantly depending on which province you're in. Ontario and BC, for instance, use fundamentally different models.
Here's how property division works, and what you actually need to know.
Across Canada, the general principle is that property accumulated during the relationship, through the efforts of either or both spouses, should be divided at the end of it. What you brought in before, and what was given to you individually by someone outside the relationship, is typically yours to keep.
The mechanics of how that division is calculated differ by province. But the underlying idea is consistent.
Ontario uses the equalization model under the Family Law Act. You don't divide each asset, you equalize the growth in each spouse's wealth over the course of the marriage.
Here's how it works in plain terms:
Spouse A's NFP is $300,000. Spouse B's NFP is $100,000. The difference is $200,000. Spouse A pays Spouse B $100,000 to equalize.
You don't have to split every asset down the middle. You can accomplish equalization by transferring one asset, the house, an RRSP, cash, rather than carving up everything. The flexibility is useful.
The family home is treated differently than other assets in Ontario. Regardless of whose name is on title, both spouses have an equal right to the matrimonial home. Neither can sell or mortgage it without the other's consent while the marriage subsists.
In the NFP calculation, there's an important asymmetry: you cannot deduct the value of the matrimonial home at marriage from your NFP if you still own it at separation. If you owned it before the marriage and lived in it as your family home, its full current value goes into your NFP, you get no credit for what you brought in. This surprises a lot of people.
Gifts and inheritances received during the marriage are generally excluded from NFP, unless they were used to purchase or improve the matrimonial home. At that point, they lose their protection.
Ontario's equalization regime applies only to married spouses. Common-law couples, regardless of how long they've been together, have no automatic property rights under the Family Law Act. They can make claims based on unjust enrichment or constructive trust, but those require a court case to establish, not a formula. This is a significant gap that catches many people off guard.
BC uses a different model under the BC Family Law Act (2013). Rather than equalizing growth, BC presumes equal division of all family property, everything owned by either spouse at the date of separation.
The key distinction is between family property (divided equally) and excluded property (not divided).
Excluded property under Section 85 includes:
The excluded property itself is kept out of division. But any increase in value of excluded property that occurred during the relationship is family property and divided equally. If you inherited a rental property worth $400,000 before the relationship and it's worth $650,000 at separation, the $400,000 is yours and the $250,000 appreciation is split.
Excluded property loses its protection if it gets mixed with family property to the point where it can't be traced. A common example: you receive an inheritance and deposit it into a joint account used for everyday expenses. Years later, can you prove the inheritance is still in there? If you can't, the protection is likely gone.
Keep excluded property separate. Document where it came from. That paper trail matters.
This is where BC differs meaningfully from most provinces. Under the BC Family Law Act, a person is a "spouse" for property division purposes if they've lived with their partner in a marriage-like relationship for at least two years. Marriage is not required.
After two years together, common-law couples in BC have the same property division rights and obligations as married couples. If you're common-law and have been together for two or more years, you're subject to the same rules.
Alberta uses the Matrimonial Property Act. The general principle is equal division of matrimonial property, but Alberta's excluded property list is somewhat different from BC's. Pre-marriage property is generally exempt from division, as are gifts and inheritances. Courts can adjust division if equal sharing would be unfair.
Common-law couples in Alberta are "adult interdependent partners", a distinct legal category. They have spousal support rights but no automatic property division rights under the Matrimonial Property Act. Property claims require unjust enrichment arguments.
People often think of property as real estate and bank accounts. Courts think more broadly. Property subject to division typically includes:
Don't overlook pensions. In many separations, the pension is the second-largest asset after the family home. Defined benefit pensions in particular are often undervalued because they don't have an obvious account balance, you need an actuarial value, which requires requesting a statement from the plan administrator. Division of a pension usually requires a court order or separation agreement plus involvement from the plan administrator.
Property division isn't only about assets. Debts accumulated during the relationship for family purposes are also on the table. Joint debts, mortgages, credit cards, lines of credit, need to be allocated.
One critical point: how you divide debt in a separation agreement does not bind your creditors. If your agreement says your former partner takes the joint credit card balance and they don't pay it, the bank can still come after you. Removing your name from joint accounts and loans is a separate and essential step, and creditors don't have to agree to it.
The first step in any property division is knowing what you have. That means pulling together:
You can't divide fairly what you haven't fully disclosed. Both sides are required to make full financial disclosure, this isn't optional, and courts take it seriously when it's done poorly or deceptively.
FairWell's asset division tools help you build a complete property inventory and understand how division would apply to your specific situation.
This guide is for informational purposes only. FairWell is not a law firm and this is not legal advice. Every situation is different, consult a qualified family lawyer in your province or state.
FairWell's asset division tools walk you through every category of property and help you understand how division would work in your province.
Use the asset division tool →Property division rules vary significantly by province. Before finalising any property division, speak with a qualified family lawyer in your province.