If your home was your principal residence for all the years you owned it, the gain is generally fully exempt from Canadian capital gains tax. Here's what you need to know—and why you still have to report the sale to the CRA.
When you sell your family home in the GTA, one of the first questions is often: "Will I owe capital gains tax?" The answer, fortunately, is usually no—if the property qualifies as your principal residence. But there's a critical caveat: even when your gain is fully exempt, you must file the proper forms with the Canada Revenue Agency (CRA), or you risk penalties and losing the exemption entirely.
This guide walks you through how the Principal Residence Exemption (PRE) works, what happens when you have to report the sale, when gains are taxable, and the current capital gains inclusion rate. Because tax law is complex and individual circumstances vary, we've also included a prominent disclaimer: always consult a qualified tax professional before making decisions about selling real property.
The Principal Residence Exemption: How It Works
The Principal Residence Exemption is a Canadian tax rule that fully shelters the capital gain on the sale of your home—provided the home qualified as your principal residence for all the years you owned it.
What counts as a principal residence? A property is your principal residence for a given tax year if you (or your spouse, common-law partner, or children) ordinarily inhabited it at any time during that year, and you designate it as such when you file your tax return. Here's the key: only one property per family unit can be designated as a principal residence for any given year. So if you own a cottage and a house in the GTA, you can designate only one as your principal residence in any single year.
The "Plus One" rule. The PRE includes a built-in advantage called the "plus one" factor. The formula for the exempt portion is:
Exempt Portion = (Years Designated + 1) ÷ Years Owned × Total Gain
This "+1" is beneficial: it generally means a home that was your principal residence for all but one year of ownership can still be fully exempt. For example, if you buy a new home before selling your old one, and both transactions occur in the same calendar year, the plus-one rule can allow full or near-full exemption on both properties.
You Still Have to Report It: The Mandatory Filing Requirement
Here's where many sellers get tripped up. Even if your capital gain is fully exempt under the PRE, you are required by law to report the sale on your tax return. This requirement came into effect with the Budget 2016 reforms.
What Forms Do You Need?
You must file two forms:
Schedule 3 (Capital Gains or Losses) — This form requires you to report the disposition of the property: its adjusted cost basis (original purchase price plus eligible improvements), the proceeds of sale, and the resulting gain or loss.
Form T2091(IND) — Designation of a Property as a Principal Residence by an Individual — This form designates the property as your principal residence for the years you owned it. If the home was your principal residence for all years owned, you may only need to complete page 1 of the form.
What's the Penalty for Not Reporting?
The CRA imposes a late designation penalty if you don't report the sale on time: the lesser of $8,000 or $100 per complete month from your original due date until the CRA receives your designation. For a sale closing in mid-2026, if you don't designate the property by the time your tax return is due (June 15, 2027, or later if you have an extension), penalties can accumulate quickly.
Additionally, failure to properly designate your principal residence could result in the CRA denying the exemption altogether—meaning you could owe tax on gains you thought were protected.
Bottom line: Work with your tax professional to file Schedule 3 and Form T2091(IND) as part of your tax return in the year of sale.
When Capital Gains Are Taxable: The Exceptions
The PRE doesn't apply to all properties or all situations. Capital gains on real estate are taxable (at the current 50% inclusion rate) in the following cases:
Investment or rental properties. A property you never lived in—a rental house, a duplex you own for income, an investment condo—is not eligible for the PRE. If you sell it at a profit, the full capital gain is subject to tax.
Vacation or secondary properties. A cottage, a second home, or a vacation property does not qualify as a principal residence unless you formally designate years of ownership as qualifying years. Any gain attributable to years not designated is taxable.
Partial use scenarios. If you rented out part of your home while living in it, or operated a home-based business and claimed depreciation (CCA), the situation becomes more complex. Claiming CCA on a home can trigger a "change of use" deemed disposition, which may affect your exemption.
Change of use. Converting your principal residence to a rental property—or vice versa—is treated as a deemed disposition at fair market value. The conversion itself may trigger a partial gain that is subject to tax.
Properties held for flipping. Under the residential property flipping rule (in effect since January 1, 2023), gains on properties sold within 12 months of acquisition are treated as business income, not capital gains, and are fully taxable. This rule was introduced to discourage short-term speculation on residential real estate.
The Capital Gains Inclusion Rate in 2026: What You Need to Know
As of June 2026, the capital gains inclusion rate in Canada remains at 50%.
When a capital gain is taxable, only 50% of the gain is added to your income and subject to tax. This is called the "inclusion rate." In other words, if you have a $100,000 taxable gain, you report $50,000 as income. That $50,000 is then taxed at your marginal income tax rate.
What about the proposed 66.7% rate? The federal government's Budget 2024 proposed increasing the inclusion rate to 66.67% (two-thirds) on capital gains above $250,000 annually for individuals. This change was initially proposed to take effect on June 25, 2024. However:
On January 31, 2025, the government deferred implementation to 2026.
On March 21, 2025, the proposed change was formally cancelled.
As of mid-2026, the inclusion rate is 50% for all individuals, and there are no two-tier thresholds. Any future changes to this rate would require new legislative action. Before making decisions based on tax rates, confirm with a qualified accountant whether any changes have occurred after the date of this article.
Key Considerations Before You Sell
Beyond the capital gains picture, there are several other financial and tax factors to consider when selling your home:
Closing costs and commissions. While REALTOR® commissions are negotiable, you will incur legal fees, title insurance, land transfer tax (in most Ontario municipalities), and home inspection costs. These are not deductible from your gain for PRE purposes, but they do reduce the net proceeds you receive.
Timing of the sale. The year in which you sell determines the tax year in which you report the disposition. If you're near a significant income increase or decrease (for example, retiring or starting a new job), consult your accountant about whether the timing of the sale affects your overall tax position.
Adjusted cost basis. The ACB of your home includes the original purchase price plus the cost of capital improvements (major renovations, new roof, addition, etc.). Keep receipts for all significant improvements, as these reduce your taxable gain. Note: cosmetic repairs and maintenance do not count as improvements.
Spouse or common-law partner. If you're married or in a common-law relationship, both spouses can file a joint designation on Form T2091(IND). If one spouse lived elsewhere, or if you owned the property in one spouse's name only, the designation may differ. Discuss this with your accountant.
Multiple properties and the "plus one" rule. If you've owned multiple homes during overlapping periods, the plus-one rule can be strategically important. A tax professional can help you determine which years to designate for each property to minimize any taxable gains.
Frequently Asked Questions
Do I owe capital gains tax when I sell my principal residence?
Not usually. If the home was your principal residence for all the years you owned it, the gain is fully exempt under the PRE. However, you still must report the sale to the CRA using Schedule 3 and Form T2091(IND). Failure to report can result in penalties—even if no tax is owed.
What if I only lived in the home for part of the time I owned it?
The PRE applies proportionally using the formula: (Years Designated + 1) ÷ Years Owned × Total Gain. For example, if you owned a home for 10 years but designated it as your principal residence for only 6 years, approximately 70% of the gain may be exempt, and 30% would be taxable.
What happens if I owned two homes at the same time?
You can designate only one property as your principal residence per year. If you owned a family home and a cottage during overlapping years, you would designate one for those years and the other for different years. Gains on the property not designated for a particular year may be taxable for that period.
Is the capital gains inclusion rate really staying at 50%?
Yes, as of 2026. The proposed increase to 66.67% was deferred in January 2025 and then cancelled in March 2025. The inclusion rate is currently 50% for all individuals. Always confirm with a tax professional before making decisions, as tax law can change.
What is adjusted cost basis, and why does it matter?
Your adjusted cost basis (ACB) is the original purchase price of the home plus the cost of capital improvements (renovations, additions, new systems). When you sell, the capital gain is the sale price minus the ACB. The higher your ACB, the lower your gain. Keep receipts for all major improvements—they can significantly reduce your taxable gain if part of the gain is taxable.
Do I need a lawyer to file the principal residence exemption?
You don't need a lawyer, but you should work with a qualified tax professional (CPA or tax advisor) to ensure Schedule 3 and Form T2091(IND) are filed correctly. Tax professionals can also help you determine the most tax-efficient designation strategy if you've owned multiple properties.
What if I forget to designate my home as a principal residence on time?
You can request a late designation, but the CRA will assess a penalty: the lesser of $8,000 or $100 per complete month from your original due date. It's critical to file the designation with your tax return in the year of sale to avoid this penalty.
This content is for general educational purposes only and does not constitute tax or legal advice. Canadian tax rules are complex and individual circumstances vary. Always consult a qualified tax professional (CPA or tax advisor) before making decisions related to the sale of real property. The information herein reflects the tax code as of June 2026 and may change without notice.
Who Is Inna Gold?
With over a decade of experience in the Greater Toronto Area real estate market, Inna Gold brings a combination of strategic insight, client-focused service, and deep market knowledge to every transaction. As a REALTOR® with RE/MAX Experts, Inna specialises in helping GTA sellers navigate the complexities of preparing their homes for market, pricing competitively, and closing with confidence.
"I pride myself for being knowledgeable and invested in real estate; keeping up with market trends and having my clients' best interests at heart. I master negotiation and never push my clients beyond their comfort levels. Real estate is a true passion of mine. I want to help everyone find their dream home and have the best experience throughout the journey." — Inna Gold, REALTOR®, RE/MAX Experts
Inna Gold, REALTOR® RE/MAX Experts — 277 Cityview Blvd Unit 16, Vaughan, ON L4H 5A4 Cell: 416-500-0696 | Office: 905-499-8800 info@innagold.com | innagold.com
Seller Resources
Download Inna's Seller's Guide — A comprehensive guide to preparing, pricing, and selling your GTA home.
How to Price Your Home in the GTA — Find the sweet spot for your listing.
The Best Time of Year to Sell in the GTA — Learn when market conditions favour sellers.
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