Principal Residence Exemption After Separation in Ontario

When a couple separates, the family home is usually the biggest asset and the biggest tax question. If one of you sells, or moves out and the other stays, you may wonder whether the gain on the home will be taxed.

This article explains in general terms how the principal residence exemption works for separated spouses, based on Canada Revenue Agency guidance. It does not replace advice from an accountant or lawyer, because the answer depends on dates, who lived where and what your agreement says.

What the principal residence exemption does

The exemption can reduce or remove the tax on the gain when you sell a home that is designated as your principal residence. It is claimed by designating the property for the years it qualifies. The formula counts 1 plus the number of tax years ending after the acquisition date for which the property was designated, so the exemption covers all but one of the years you owned it.

To qualify for a year, the housing unit must be ordinarily inhabited in that year by the owner or by a spouse, former spouse, common-law partner, former common-law partner or child. That wording matters after separation, because the person living in the home may not be the owner.

One property per family unit, and how separation changes it

For tax years after 1981, only one property per family unit can be designated as a principal residence. For a couple who owned a house and a cottage, that means they cannot both be designated for the same year.

Separation changes who is in the family unit. A spouse who is living apart under a judicial separation or a written separation agreement is excluded from the family unit for the year. In practice this may allow each spouse to designate their own home for that year, but whether it applies to you depends on your dates and documents, so confirm it with an accountant.

Informal separation is a grey area. The guidance refers to a judicial separation or a written separation agreement, so having a signed agreement in place can matter for tax as well as for property division.

Common situations after separation

On that last point, where the spousal rollover applied on a transfer to a former spouse, the transferee can be treated as having owned the property for the transferor's period of ownership. That can affect how many years count toward the exemption.

Dividing the home and the tax result are separate questions

Family law and tax law answer different questions. Under Ontario guidance, married spouses generally split property acquired during the marriage equally, and the family home must be divided equally unless the spouses agree to a different split. That equal split does not decide who claims the principal residence exemption.

This means a fair settlement on paper can still produce an unexpected tax bill if nobody considered designation. Spouses can vary the default property rules by a domestic contract such as a separation agreement, and it is sensible for that agreement to deal with who lives in the home, who sells, and who will make the designation.

What to do next

• Write down the date you separated, who moved out and when, and who has lived in each property since.
• List every property either of you owns, including cottages and rentals, with purchase dates.
• Find out whether you have a written separation agreement or court order, since it affects who is in the family unit.
• Ask an accountant how many years can be designated and whether designating one property costs you the exemption on another.
• Ask a lawyer to build the tax points into your separation agreement before anyone sells or transfers the home.

Because the result depends on exact dates and facts, review your situation with an accountant and a family lawyer before you list the home for sale.

Frequently asked questions