Tax Implications of Separation and Divorce in Canada

For decades, Canadians could sell their primary home and pocket the profit tax-free without telling the CRA. That changed in 2016. To close loopholes, the government now mandates that ALL principal residence sales be reported on Schedule 3 of the tax return.

The Reporting Requirement

Even though the sale is likely tax-free, you must report:

The year of acquisition
The proceeds of disposition (sale price)
The address of the property

You make this designation on Schedule 3 of your T1 return. If you don't, the principal residence exemption (PRE) is not claimed, and the CRA can reassess you for capital gains tax on the sale.

The "Plus One" Rule Explained

The PRE formula is: ((1 + Number of years designated) / (Number of years owned)) × Capital Gain.

Why the "+1"? This rule exists to help people who move in the same year. If you sell your old home in 2025 and buy a new one in 2025, you own two properties that year. The "+1" rule allows you to treat both properties as your principal residence for that transition year, ensuring you satisfy the exemption for both tax-free.

New: The Anti-Flipping Tax (12-Month Rule)

As of 2023, the CRA has introduced strict rules to combat house flipping. If you sell a residential property (including a rental property) that you have owned for less than 12 months, the profit is automatically considered business income, not capital gains.

Consequences:

You cannot claim the Principal Residence Exemption.
The profit is 100% taxable (not just 50%).
It is considered active business income, taxed at your marginal rate.

Exceptions: Life events such as death, divorce, disability, or a work relocation (40km+) may exempt you from this presumptive rule.

What Happens If I Don't Report?

If you don't report the sale and designate the property as your principal residence, the exemption is technically denied. The entire gain could become taxable.

If you realize your mistake later, you can ask the CRA to amend your return. However, they can charge a penalty of $100 for each month the designation is late, up to maximum of $8,000. Don't risk an $8,000 bill for a simple paperwork error—tell your accountant if you sold any property!

Change in Use: Rental to Personal (and vice versa)

Be very careful if you convert a home from a rental to a principal residence, or from a personal home to a rental. The CRA considers this a "deemed disposition"—meaning you sold the house to yourself at fair market value.

Example: You move out of your condo (worth $500k) and start renting it out. You must report this "sale" at $500k. If you owned it as your principal residence, the gain up to that point is tax-free. But any future increase in value from $500k upwards will be taxable capital gains.

The "Election" to Avoid Tax (Section 45(2) / 45(3))

You can file a special election to ignore this change in use. This defers the tax until you actually sell the property or die.

Section 45(2) Election: Filed when you move out and start renting. It allows you to designate the property as your Principal Residence for up to 4 more years even while you don't live there. (Note: This can be extended indefinitely if you relocated for work).
Section 45(3) Election: Filed when you move back into a rental property. It defers the gain on the rental period until ultimate sale.

Warning: These elections must be filed with your tax return for the year the change occurred. Late filing involves penalties.

Can a Cottage be a Principal Residence?

Yes! A seasonal residence like a cottage or cabin can be designated. If you own both a city home and a cottage, you have to choose which one to designate for each year. You calculate the capital gain per year for each property and designate the exemption to the property with the highest average gain per year to minimize your total tax.

Selling as a Non-Resident

If you are a non-resident of Canada for tax purposes and you sell taxable Canadian property, the rules are strict. The buyer must withhold 25% of the gross purchase price and remit it to the CRA unless you provide a Certificate of Compliance (T2062). This is a complex area, and professional advice is mandatory.

Key Takeaways

You MUST report the sale of a principal residence on Schedule 3.
Failure to report can lead to an $8,000 penalty.
The "+1" rule covers you when you move and own two homes in one year.
Watch out for the new 12-month Anti-Flipping Tax.
Changing a home from rental to personal (or vice versa) triggers a tax event.
Consider the 45(2) or 45(3) election if you rent out your home temporarily.

The 2023 Anti-Flipping Rules: What Changed

Starting January 1, 2023, the federal government introduced the Residential Property Flipping Rule (often called the Anti-Flipping Tax), which changed the tax treatment of homes sold within 12 months of purchase. Under the new rule, if you sell a property you've owned for less than 365 consecutive days, the entire profit is treated as business income — not a capital gain — regardless of your intent.

This is significant for three reasons:

No 50% capital gains inclusion: Business income is 100% taxable. If you flipped a house and made $100,000 profit, the full $100,000 is added to your income (a capital gain would only add $50,000 at the current 50% inclusion rate).
No Principal Residence Exemption: Even if you lived in the property during those 12 months and it would otherwise qualify as your principal residence, the Anti-Flipping Rule overrides the exemption if held for under a year.
No loss offset against capital gains: If you lose money on a flip within 12 months, the loss is a business loss — but you cannot apply it against capital gains from other properties.

There are exceptions: if you sell within 12 months due to a life change — death, disability, separation, job relocation requiring a move of more than 40 km, threat to personal safety, or insolvency — you may still be exempt from the Anti-Flipping Rule. These exceptions must be documented and declared on your tax return. They do not apply automatically; you must actively claim them.

The Non-Resident Buyers and Sellers: Specific Implications

Several overlapping policies now govern non-resident property ownership in Canada, creating a complex web of obligations that go beyond the standard Principal Residence Exemption:

Foreign Buyers' Ban (2023-2025): The Prohibition on the Purchase of Residential Property by Non-Canadians Act, extended through 2025, restricts most non-residents and non-citizens from purchasing residential property in Canada. Certain exemptions apply (refugees, foreign nationals with work or study permits meeting residency requirements, etc.).
Underused Housing Tax (UHT): Non-resident, non-Canadian owners of residential property may be subject to an annual 1% Underused Housing Tax on the property's assessed value, unless one of several exemptions applies (e.g., the property is occupied by a qualified tenant or the owner, or it's a vacation property in a prescribed area used by the owner). Even exempt owners may need to file a UHT return. Penalties for non-filing begin at $5,000 for individuals.
Withholding on Sale: When a non-resident sells Canadian property, the buyer must withhold 25% of the gross purchase price and remit it to the CRA. The seller can reduce this withholding by obtaining a Certificate of Compliance (Form T2062) before closing, which requires the CRA's approval and proof of the calculated gain and taxes owing. Failure to manage this process properly can cause significant closing delays and financial complications.

Principal Residence and Estate Planning on Death

When a homeowner dies, the CRA deems a disposition of all assets at fair market value on the date of death — including the principal residence. This is known as the "deemed disposition at death." The good news: the Principal Residence Exemption can still be claimed on the deemed disposition, potentially eliminating all capital gains tax on the home in the estate.

However, the estate must file the deceased person's final tax return (T1 return) and properly designate the property as the principal residence for all years it qualifies (using Schedule 3 and Form T2091). Estates that miss this designation may lose beneficial tax treatment on the largest asset in the estate.

For married couples, the situation is often simpler because assets can transfer to the surviving spouse on a tax-deferred "rollover" basis — even the principal residence. This means the deemed disposition at the death of the first spouse is deferred until the second spouse sells the home or dies. Proper estate planning, including a co-habitation or marriage agreement that clearly documents the principal residence designation, is essential for couples who own multiple properties (e.g., a city home and a vacation cottage).

Partial Principal Residence Exemption: When You Rented the Property

Many Canadians use their home as a rental for some years before or after living in it. In these cases, the Principal Residence Exemption can be prorated using the following formula:

Capital Gain Excluded = Total Capital Gain × [(Years Designated as Principal Residence + 1) ÷ Total Years Owned]

The "+1" in the numerator is a government bonus that ensures you're covered in the year where you both buy one home and sell another. Example:

You bought a condo in 2010 and lived in it until 2017 (7 years as principal residence).
You then rented it out from 2017 to 2026 (9 rental years).
Total years owned: 16
Formula: (7 + 1) ÷ 16 = 50% of the gain is exempt.
The remaining 50% is a taxable capital gain, at the 50% inclusion rate.

If you made a 45(2) election when you started renting in 2017, you could extend the principal residence years by up to an additional 4 years — meaning up to 11 years of designation (7 lived + 4 extended) out of 16 total, making 75% of the gain exempt. This is a powerful planning tool for accidental landlords.

Additional Detailed FAQs

Q: What if I inherited a property that was someone else's principal residence?
A: If you inherit a property at fair market value (as recorded in the estate), your adjusted cost base is set at the inherited FMV. Future gains from that point forward are fully taxable, unless you yourself occupy the property as your own principal residence going forward. The deceased's principal residence exemption was used at the time of their death for their estate — you cannot apply it to your future gains.

Q: Can a trust claim the Principal Residence Exemption?
A: Only certain trusts can claim the PRE — specifically, "reversionary" trusts, spousal/common-law partner trusts, and other qualifying trusts where the beneficiary ordinarily inhabited the property. Most discretionary family trusts cannot claim the PRE. If you hold a home in a trust, confirm the trust structure with a tax lawyer before sale.

Q: My ex-spouse got the home in our divorce. Does that trigger tax for me?
A: Generally no. Property transferred between spouses or common-law partners on separation or divorce is transferred at cost (no capital gain triggered), provided you elect to use the "interspousal rollover" rules (Section 73 of the Income Tax Act). This means the receiving spouse takes on your adjusted cost base, and any future gain at ultimate sale is their tax liability.

Q: I added my adult child to the title of my home. Does this affect my exemption?
A: Adding someone to title (while you continue to live there) can be treated as a partial disposition of the property. The CRA may deem you to have sold a portion at fair market value, potentially triggering capital gains. This is a common estate-planning misstep — speak to a lawyer before changing property title, even within a family.