OTTAWA REAL ESTATE
Capital Gains Tax When You Sell Your Home in Ontario
Capital Gains Tax
In most cases, you do not pay capital gains tax when you sell the home you live in, because Canada’s principal residence exemption shelters the gain on your primary residence. You may owe capital gains tax, though, if the property was a second home, a rental or investment property, or was partly used to earn income — or for any period it wasn’t your principal residence. Which situation you’re in determines everything, so it’s worth understanding before you sell.
This guide explains when a home sale is tax-free, when it isn’t, and how the principal residence exemption works — written for Ottawa homeowners, not as tax advice.
A note on tax rules: Tax law changes, and your situation is specific to you. The information below is general and current as of 2026; always confirm the current rules with the Canada Revenue Agency and your own accountant or tax professional before making decisions. As a REALTOR®, I help you understand the real estate side — the tax side belongs with a qualified tax advisor.
The principal residence exemption: the key to it all
The reason most Canadians pay no tax when they sell their home is the principal residence exemption. When a property qualifies as your principal residence for every year you owned it, the capital gain on its sale is fully exempt from tax. The Canada Revenue Agency explains the rules on its principal residence page.
A property generally qualifies as a principal residence for a year if you (or your spouse, common-law partner, or child) ordinarily lived in it during that year, and you designate it as your principal residence. You can only designate one property as your principal residence per year for your family unit — which is where second homes and rentals complicate things.
When you don’t pay capital gains
If the home you’re selling was your principal residence for the entire time you owned it, and you didn’t use part of it to earn income in a way that changes its character, the gain is typically fully exempt. That covers the most common situation: you bought a home, lived in it, and are now selling it. No capital gains tax applies to that gain.
This is why the everyday homeowner selling the house they live in usually has no capital gains bill. The exemption is doing its job in the background, and for most Ottawa sellers it’s the whole story.
When you do pay capital gains
The exemption doesn’t cover everything. You may owe capital gains tax when:
The property was a second home or vacation property you didn’t designate as your principal residence for all the years you owned it. A rental or investment property — capital gains generally apply to the gain on a property held to earn income. A home that was partly used to earn income or had a change in use (for example, converted from your residence to a rental, or vice versa) for part of the ownership period. Or a portion of a property that exceeds what’s considered reasonable for a principal residence in certain cases.
In these situations, all or part of the gain can be taxable. General information on how capital gains work is in the CRA’s Capital Gains guide (T4037) and on the CRA’s Line 12700 – taxable capital gains page.
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How capital gains is calculated
When a gain is taxable, the concept is straightforward even if the details get technical. Your capital gain is roughly the proceeds of the sale minus the property’s adjusted cost base (generally what you paid plus certain costs and improvements) and minus the outlays and expenses of selling.
Only a portion of that gain — the inclusion rate — is added to your taxable income and taxed at your marginal rate. For many years the inclusion rate has been one-half (50%). A proposed increase to the inclusion rate was announced in 2024, but its implementation was subsequently deferred and did not take effect, so the one-half rate has continued to apply. Because this is exactly the kind of rule that can change, confirm the current inclusion rate and calculation with the CRA or your accountant before relying on any figure.
Partial exemption and change of use
Things get more nuanced when a property was your principal residence for only some of the years you owned it, or when its use changed. In those cases, a partial principal residence exemption may apply, sheltering the gain for the years it qualified and taxing the gain attributable to the years it didn’t.
A “change in use” — say, moving out and renting the home, or converting a rental into your residence — can trigger a deemed disposition and specific rules, sometimes with elections available to defer the impact. These situations are genuinely technical and property-specific, which is precisely why they belong with a tax professional rather than a rule of thumb. The CRA’s detailed Income Tax Folio on Principal Residence covers the mechanics.
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Second homes and vacation properties
A cottage, a second home, or a vacation property is where many Ottawa-area sellers encounter capital gains. Because you can only designate one property as your principal residence per year, if you own both a city home and a cottage, a gain on the one you don’t designate is generally taxable — and the interplay of which years to allocate to which property is a real tax-planning question.
There’s no single right answer; it depends on the relative gains and years involved. This is a case where planning with an accountant before you sell can genuinely affect your tax bill, and it’s worth doing early rather than discovering the consequence at tax time.
You still have to report the sale
Here’s a point many homeowners miss: even when the sale of your principal residence is fully exempt, you must report the disposition on your tax return for the year you sell. Since 2016, the CRA has required the sale of a principal residence to be reported to claim the exemption, even though no tax is owing. Failing to report can jeopardize the exemption or lead to penalties.
So “tax-free” doesn’t mean “nothing to do.” Keep your records — purchase documents, the costs of buying and selling, and receipts for capital improvements — and make sure the sale is reported. Your accountant handles the filing; your job is to keep the paperwork.
Records to keep
Whether your sale is fully exempt or partly taxable, good records protect you. Keep your original purchase documents, the legal and closing costs from buying and selling, real estate commission, and — importantly — receipts for capital improvements you made over the years (a renovation, an addition, a new roof), since these can increase your adjusted cost base and reduce a taxable gain. For any period the home was rented or used to earn income, keep those records too, because they bear directly on a partial-exemption calculation.
Sellers who kept nothing sometimes end up unable to substantiate the cost base or the improvements that would have lowered a taxable gain. If you’ve owned the home a long time, gather what you can now rather than at tax time. Your accountant turns those records into the correct filing; your job is simply to have them ready and organized.
This is general information, not tax advice
To be clear, because it matters: the above is general information to help you understand the landscape, not tax advice for your situation. Capital gains rules, inclusion rates, and elections change and are specific to your circumstances. Confirm everything with the Canada Revenue Agency and a qualified accountant or tax professional before you act. Provincial context on selling property is available from the Government of Ontario, and general homeowner guidance from CMHC, but neither replaces personalized tax advice.
Jason Polonski is a full-time Ottawa REALTOR® with Right at Home Realty who helps homeowners understand the real estate side of selling — pricing, timing, net proceeds, and how a sale fits their bigger move — seven days a week across Kanata, Stittsville, Barrhaven, Manotick, and the wider west end. His Bachelor of Commerce from Concordia University, a double major in Marketing and Finance, means he’s comfortable talking through the financial picture of a sale and knows exactly when to send you to a tax professional rather than guess.
He does not provide tax advice, but he does make sure the sale itself is handled expertly and that you go into it understanding the questions to ask your accountant. Drawing on work with hundreds of Ottawa buyers and sellers — many browsing and comparing on REALTOR.ca and watching the market through the Ottawa Real Estate Board — Jason keeps the parts he’s responsible for clear and correct. If you’re planning to sell, that combination of expert real estate guidance and knowing where the tax questions belong is exactly what you want on your side.
Capital Gains Tax When You Sell Your Home (FAQs)
Usually not. If the home was your principal residence for every year you owned it, the principal residence exemption shelters the gain. You may owe capital gains tax if it was a second home, a rental, or partly used to earn income. Confirm your situation with an accountant.
It’s a tax rule that exempts the capital gain on a property that qualifies as your principal residence for the years you owned it. You can designate only one property as your principal residence per year for your family unit, which matters if you own more than one.
Generally, yes, at least in part. A rental, investment, or second property you didn’t designate as your principal residence typically has a taxable gain, and the years-of-designation rules determine how much. This is a tax-planning question for your accountant.
Roughly, proceeds minus the adjusted cost base and selling costs give the gain; a portion of that gain — the inclusion rate, long set at one-half — is added to your taxable income. Because rates and rules change, confirm the current figures with the CRA or your accountant.
Yes. Since 2016, the CRA requires you to report the sale of a principal residence to claim the exemption, even when no tax is owed. Failing to report can jeopardize the exemption, so keep your records and make sure the disposition is filed.
No. This is general information to help you understand the landscape. Capital gains rules are specific to your circumstances and change over time, so confirm everything with the Canada Revenue Agency and a qualified tax professional before acting.
