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Losing a home to mortgage default in Canada, province by province, explained

Our own foreclosure and deficiency-judgment explainer covers the U.S., where the judicial-versus-non-judicial split and the resulting deficiency exposure vary state by state. Our own Canadian vehicle-repossession explainer covers a completely different mechanism — a lender simply taking the car back. Losing a home to mortgage default in Canada runs on neither of those models: it depends on which specific legal remedy the lender chooses, and that choice carries real, checkable consequences for whether you can be sued for whatever the sale doesn't cover.

Ontario: power of sale, which generally preserves the shortfall claim

Ontario lenders overwhelmingly use power of sale rather than a court foreclosure action, under the Mortgages Act, R.S.O. 1990, c. M.40. It's a non-judicial process: after default, the lender serves a Notice of Sale giving the homeowner a statutory redemption period to pay the arrears (not the full balance) and reinstate the mortgage; if that window passes, the lender can sell the property itself, without asking a court's permission first. Selling this way doesn't automatically extinguish the underlying debt. If the sale proceeds don't cover what's owed, an Ontario lender generally retains the ability to sue the borrower for the shortfall through a separate court action — a materially different outcome from a straight foreclosure, described below, that transfers the property in full satisfaction of the debt instead.

British Columbia and Alberta: judicial foreclosure, where the remedy chosen decides the outcome

B.C. and Alberta both run their mortgage-default process through the courts rather than a lender's own non-judicial sale, but the specific court order requested is what actually determines whether a deficiency becomes possible. If the court grants a straight foreclosure order — an "order absolute" in B.C., or an order vesting title in the lender in Alberta after the applicable redemption period (generally six months under Alberta's Law of Property Act, R.S.A. 2000, c. L-7) — the property transfers to the lender in full satisfaction of the debt, and the lender generally can't come back later for a shortfall — though, in Alberta specifically, that's a statutory bar with a narrower scope than "any owner-occupied mortgage," described in the aside just below. Either court can instead order a judicial sale of the property to a third party rather than a straight transfer to the lender, and a judicial sale does generally preserve the lender's right to pursue a deficiency for whatever the sale doesn't cover — so the deficiency outcome in either province turns on which of the two remedies the lender asked for and the court granted, not on the province alone.

Alberta layers an extra protection on top for many homeowners — but it's narrower than "any owner-occupied mortgage": the Law of Property Act's anti-deficiency bar under section 40(1) applies specifically to a purchase-money mortgage on owner-occupied residential land — generally, one that actually financed the purchase of that property. A later refinance or home-equity-secured mortgage on the same home may not get the same protection. Section 43 carves a further exception back out even for a qualifying purchase-money mortgage: a "high ratio" mortgage (one where the mortgage, combined with any existing encumbrance on the same land, exceeds 75% of the property's value when the mortgage was given, as defined in the Law of Property Regulation) and a mortgage insured under the National Housing Act. Whether a specific Alberta mortgage is purchase-money, a refinance, high ratio, or NHA-insured is a real, checkable fact worth confirming directly rather than assuming either way.

Quebec: a different legal foundation entirely, with its own menu of recourses

Quebec doesn't use a common-law mortgage at all — it secures a home loan with a hypothec under the Civil Code of Quebec, and a defaulting hypothec runs through its own, separate set of remedies rather than either of the models above. A creditor can pursue "taking in payment" (prise en paiement) under articles 2782-2783 CCQ, where the creditor becomes the outright owner of the property — extinguishing the debt entirely under article 2782 — the Quebec analog to a straight foreclosure, with no deficiency available afterward. Alternatively, the creditor can pursue a sale of the property, either one it conducts itself under article 2784 or one carried out under judicial authority under article 2791 (a forced sale supervised by the court) — and choosing either kind of sale over taking in payment does preserve the creditor's right to pursue whatever the sale doesn't cover as a deficiency, expressly under article 2791 for a judicial sale. As with B.C. and Alberta, it's the specific recourse the creditor pursues, not the province's law standing alone, that decides whether a deficiency becomes possible.

Ontario power of sale
Deficiency generally available
B.C./Alberta foreclosure order
Debt generally extinguished
B.C./Alberta judicial sale
Deficiency generally available
Quebec taking in payment
Debt extinguished, no deficiency

What this means if you're facing mortgage default

This describes the general pattern in each jurisdiction, not legal advice for a specific mortgage, notice, or court order — the exact procedure, timelines, and any deficiency exposure depend on the specific mortgage document, the court order actually granted, and your own province's current law.
Related: see foreclosure and the deficiency judgment for the U.S. equivalent, vehicle repossession and the deficiency balance in Canada for the same underlying deficiency question applied to a car instead of a home, and Canadian bankruptcy and consumer proposals for how a deficiency claim itself can be discharged.

References

  1. Mortgages Act, R.S.O. 1990, c. M.40 (Ontario) — statutory power-of-sale process (notice of sale, statutory redemption period to cure arrears and reinstate) and preservation of a mortgagee's right to sue for a deficiency by separate action following a power-of-sale disposition — independently cross-checked across multiple Ontario real-estate and litigation law-firm summaries (Torys, Nihang Law, Sukh Law) describing the same non-judicial process and deficiency-suit availability.
  2. Law of Property Act, R.S.A. 2000, c. L-7, ss. 37-43 (Alberta) — judicial foreclosure process, order nisi and generally six-month redemption period for urban land, order absolute vesting title in the mortgagee, and the general bar on a deficiency judgment for a purchase-money mortgage on owner-occupied residential land under s. 40(1), subject to the "high ratio" mortgage exception under s. 43(4.1) (defined in Law of Property Regulation, Alta. Reg. 89/2004, s. 1(2), as a mortgage plus any existing encumbrance exceeding 75% of the land's value when given) and the National Housing Act-insured-loan exception under s. 43(4) — independently cross-checked across the Alberta Law Reform Institute's own published report on mortgage remedies in Alberta and multiple Alberta law-firm summaries describing the same purchase-money-mortgage scope, high-ratio definition, and NHA-insured exception.
  3. British Columbia judicial foreclosure practice under the Supreme Court Civil Rules and the Property Law Act, R.S.B.C. 1996, c. 377, s. 32 (no personal-covenant action against the borrower once an order absolute vests title in the mortgagee) versus a court-ordered judicial sale to a third party (preserving a deficiency claim for any shortfall) — independently cross-checked against the Law Society of British Columbia's own foreclosure-procedure materials, the Land Title Survey Authority's Land Title Practice Manual commentary on s. 32, and multiple B.C. real-estate and litigation law-firm summaries (Torys, WealthNorth) describing the same order-absolute-versus-judicial-sale distinction.
  4. Civil Code of Québec, CQLR c. CCQ-1991, art. 2748 (enumerating the creditor's four hypothecary recourses: taking possession to administer, taking in payment, sale by the creditor, and sale under judicial authority), art. 2758 (prior notice of exercise, contents), art. 2761 (right of the debtor to remedy the default or surrender the property to defeat the recourse), arts. 2782-2783 (taking in payment: extinguishes the debtor's obligation, and the creditor becomes owner as of registration of the notice), art. 2784 (sale by the creditor), and art. 2791 (sale under judicial authority; the creditor retains a personal recourse against the debtor for any deficiency if the sale proceeds are insufficient, and must return any surplus) — independently cross-checked across multiple independently-authored Quebec hypothecary-law summaries and guides (OACIQ's own consumer guide, Gaucher-Ross, Langlois Lawyers, CanLII Connects commentary) describing the same recourse structure and its effect on deficiency exposure.

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