Ontario Couple with a $1.4M Toronto Home and $780,000 Muskoka Cottage: Which Property Gets the Principal Residence Exemption When One Spouse Dies in 2026

The One Rule That Makes Two Properties Expensive: One PRE Per Family Unit Per Year

Under section 40(2)(b) of the Income Tax Act, a family unit — defined as you, your spouse or common-law partner, and any unmarried minor children — can designate only one property as the principal residence for each calendar year you own it.

When a couple owns both a Toronto home and a Muskoka cottage, they must choose which property gets the designation for each year of ownership. They cannot split a single year between the two. This creates a forced trade-off: every year you designate the home, the cottage accumulates a taxable gain. Every year you designate the cottage, the home does.

During your lifetime, this trade-off is invisible — no tax is owed until you sell or die. At death, the deemed disposition under section 70(5) forces the calculation. The estate must file the PRE designation on Form T2091 for the terminal return, and whatever gain isn't sheltered by the exemption becomes taxable under the 2026 tiered capital gains inclusion: 50% on the first $250,000, 66.67% above that.

The Scenario: David and Karen, Two Ontario Properties

David's death triggers a deemed disposition of all capital property under section 70(5) of the ITA. Both properties are deemed sold at fair market value on the date of death. The estate must decide how to allocate the PRE — and whether to use the spousal rollover to defer the entire bill.

Option A: PRE on the Toronto Home (the Right Call)

The Toronto home has the larger gain: $950,000 vs the cottage's $500,000. Designating the home for all years of ownership shelters the full $950,000 gain. The cottage gain becomes taxable.

Option B: PRE on the Muskoka Cottage (the Expensive Mistake)

Designating the cottage shelters its $500,000 gain but exposes the home's much larger $950,000 gain. The 66.67% tier on gains above $250,000 makes this disproportionately costly.

The Spousal Rollover: Why Karen Doesn't Pay Any of This Yet

In David and Karen's actual situation, neither Option A nor Option B happens at the first death. Here is why.

Section 70(6) of the Income Tax Act provides an automatic rollover when capital property passes to a surviving spouse or common-law partner. Both properties transfer to Karen at David's adjusted cost base — not at fair market value. No deemed disposition. No capital gains tax. No PRE designation required.

The rollover is automatic — the executor does not need to elect into it. In fact, the executor must actively elect out of the rollover on the terminal return if they want to trigger the deemed disposition at the first death. In almost every two-property scenario, the automatic rollover is the right default.

Why deferral matters: it preserves the PRE decision

By deferring the deemed disposition to Karen's death, the spousal rollover preserves maximum flexibility:

• Karen can sell the cottage while alive and designate it as principal residence for enough years to partially shelter the gain — while keeping the home designated for the remaining years. This “split the years” strategy is only possible while alive (not on a terminal return for two properties owned simultaneously at death).
• Property values change. If the cottage appreciates faster than the home between David's death and Karen's, the optimal PRE allocation shifts. The rollover lets the family reassess when it actually matters.
• Karen can downsize. If she sells the Toronto home and moves into the cottage as her primary residence, the cottage may qualify for the PRE going forward — potentially sheltering a larger fraction of its eventual gain.

The spousal rollover doesn't eliminate the tax — it defers it. But deferral plus preserved optionality is worth six figures in a scenario like this. For the broader spousal rollover mechanics across all asset types, see our spousal trust vs direct rollover guide.

The Spousal Trust Route: Deferral With Control

If David wants the cottage to be available for Karen's use during her lifetime but wants to ensure it eventually passes to their children (not a new spouse if Karen remarries), a testamentary spousal trust is the standard tool.

The Ontario probate cost of the trust route

Property directed into a testamentary trust through the will is subject to Ontario's Estate Administration Tax. The cottage's $780,000 value flows through probate:

• Ontario EAT: $0 on first $50,000, then $15 per $1,000 above $50,000
• On $780,000: ($780,000 − $50,000) × $15 / $1,000 = $10,950

If the Toronto home also goes through the will (whether to Karen directly or into a trust), add another $20,250 of probate on the $1.4M home value. Combined probate on both properties: $31,200.

By contrast, if the home were held in joint tenancy with right of survivorship, it would bypass probate at the first death — saving $20,250. But joint tenancy has its own complications: Karen would become the sole owner, and the deemed disposition at her death would trigger the full capital gains bill with no further deferral options. The probate savings at the first death must be weighed against lost flexibility at the second.

For the full provincial probate breakdown, see our probate fees Canada 2026 comparison.

The Tiered Inclusion: Why Large Gains Hurt More Than You Expect

The post-2024 capital gains inclusion is not a flat rate. It's tiered:

This tiering means the effective inclusion rate rises with the size of the gain. On a $500,000 cottage gain, the blended inclusion is 58.34% — not the 50% many people assume. On a $950,000 home gain, it's 63.16%. The larger the exposed gain, the more the 66.67% tier dominates — and the more it costs to leave the bigger gain unprotected by the PRE.

This is the arithmetic reason the PRE must go to the property with the larger gain. The 66.67% rate on the marginal dollars above $250K makes the penalty for exposing a large gain non-linear. For the complete capital gains framework on inherited property, see our capital gains tax on inherited property guide.

What If They Owned Both Properties for Different Lengths of Time?

David and Karen's Toronto home has been owned since 2002 (24 years) and the cottage since 2004 (22 years). The PRE formula — Exempt gain = Total gain × (1 + years designated) / years owned — means you can split years between the two properties to partially shelter both gains.

The general rule: compare the per-year gain on each property. The property with the higher per-year gain should get more designated years. In David and Karen's case, the home gains $39,583 per year vs the cottage at $22,727 — so the home should be designated for every overlapping year.

Executor Checklist: What to Do When the First Spouse Dies With Two Properties

What the RRSP/RRIF Adds to the Terminal Return

In most Ontario estates, the capital gains on real property are only part of the bill. If the deceased also held an RRSP or RRIF, the full balance is included as income on the terminal return (unless it rolls to the surviving spouse).

Add a $400,000 RRSP to David's estate without the spousal rollover, and the terminal return income from the RRSP alone is $400,000 — taxed as ordinary income at up to 53.53% in Ontario: approximately $214,120. Combined with the cottage gain (Option A): total tax exceeds $370,000.

The spousal rollover applies to RRSPs and RRIFs as well — the entire balance can roll tax-free to Karen's RRSP or RRIF. This is why the surviving spouse is the most powerful tax shelter in the Canadian estate system. Without a surviving spouse, these accounts are fully taxable. For the RRSP-specific death mechanics, see our inherited RRSP tax rules guide.

The Planning Takeaway: What David and Karen Should Do While Both Are Alive

• Do not designate the PRE prematurely. The PRE designation is filed on the terminal return or on the sale of a property. There is no annual filing requirement. Keep the decision open as long as possible — property values change, and the optimal allocation may shift.
• Ensure both properties pass to the surviving spouse. Whether by will, joint tenancy, or spousal trust — the section 70(6) rollover eliminates the capital gains bill at the first death and preserves the PRE decision for later.
• Consider a spousal trust for the cottage if the goal is to protect it for the children. The trust adds Ontario probate cost ($10,950 on $780K) but locks in the succession plan. Without the trust, Karen could sell the cottage, give it away, or leave it to a new partner.
• Model the per-year gain on each property annually. The property with the faster-growing gain should receive more PRE years. In a rising market, the Toronto home will likely dominate. In a flat urban market with a booming cottage market, the cottage might catch up.
• Life insurance covers the second death. When Karen eventually dies holding both properties, the full capital gains bill arrives. A joint last-to-die insurance policy ensures the estate has liquidity to pay the tax without selling either property under deadline pressure.