When Your Buyer Won't Close: A Canadian Seller's Options

What actually happens when a firm deal collapses, how fast each option puts money back in your hands, and why "just sue them" takes longer than most sellers expect.

You insured the house. You insured the car. You probably insured your life. The sale of your home, often the single largest financial event you will ever be part of, is the one thing you left uninsured.

Most sellers only discover that gap the day a buyer will not close. If you are searching for a buyer who won't close and a Canadian seller's options, you are already in the hard part: the deal was firm, the conditions were waived, and now the person who was supposed to wire the money has gone quiet or gone late.

Here is the honest version of what comes next. You do have options. Some of them work. None of them are fast, and the one most sellers count on is the slowest of all.

What are your options when a buyer won't close?

When a buyer defaults on a firm deal, a seller in Canada generally has three legal remedies: keep the deposit, sue for damages beyond the deposit, or ask a court to force the sale through specific performance. There is also a fourth path that has nothing to do with a courtroom, which we cover further down.

The trap is that all three legal remedies are ranked backwards from how sellers imagine them. The deposit feels instant and the lawsuit feels like the long shot. In practice, a disputed deposit can be locked up as long as a lawsuit, and the lawsuit can take years to pay a number a court may reduce.

Buyer default is not a rare event to plan around anymore. Equifax Canada's Q1 2026 report showed Ontario mortgage delinquency balances up 52 percent year over year, with missed payments rising to 0.36 percent from 0.24 percent, and Brampton highest in the country at 0.64 percent. Nationally, delinquency balances rose 32 percent. A buyer who cannot pay their existing mortgage is a buyer who may not fund yours.

Option one: keep the deposit, if you can actually get it

Keeping the deposit is the remedy sellers assume is automatic. It is not. A deposit held in a brokerage trust account can only be released by a mutual release signed by both parties or by a court order.

The moment your buyer disputes, that deposit is frozen. It can sit in trust for months, and in contested cases for years, and it can end up paid into court for a judge to decide who is owed what. The remedy you were counting on to cover your carrying costs is the first thing that becomes unreachable, precisely when the bills keep coming.

There is a second problem. On a national-average home, a deposit is a fraction of what a failed closing actually costs once you add carrying costs, a lower resale price, and legal fees. Keeping it, even if you win it quickly, rarely makes you whole.

Option two: can you sue the buyer for more than the deposit?

Yes. A seller can sue a defaulting buyer for damages beyond the deposit, and Canadian courts do award them. The most common measure is the shortfall between the original firm price and the eventual resale price, plus reasonable carrying costs and fees.

Recent Ontario decisions show this working. In Philp v. Osungade (2024 ONSC 3064), buyers walked away from a firm price of $1,035,000 and the seller relisted at $799,900, with the court awarding damages for the loss. In Mattamy (Jock River) Ltd. v. Ishola (2024 ONSC 6231), the court awarded the loss on resale along with legal and real estate fees.

The catch is time and certainty. Civil litigation in Ontario commonly runs two to five years to trial, with trial dates booked a year or more in advance. You are funding two mortgages, or a bridge loan, while you wait for a judgment that has not arrived yet.

Option three: can you force the buyer to complete the purchase?

Rarely. Forcing a buyer to complete is called specific performance, and since the Supreme Court of Canada decided Semelhago v. Paramadevan in 1996, damages are treated as the default remedy and specific performance is the exception. The party asking for it has to prove the property is unique and that damages would not be adequate.

For a seller, specific performance means asking a court to compel the buyer to pay and take title. Courts are reluctant to do this for a straightforward resale home, because money is considered an adequate substitute. Most sellers who go down this road end up back at damages anyway.

Not sure how exposed you are between firm and closing? Our free What Could Go Wrong Risk Assessment Guide walks you through where a Canadian seller is actually on the hook.

Why is legal recovery so slow, partial, and uncertain?

Because the law expects you to limit your own losses first. Under the duty to mitigate, a seller cannot sit on a collapsed deal and let the damages pile up; you are expected to relist and sell at the best price reasonably available.

The Supreme Court underlined how sharp this duty is in Southcott Estates Inc. v. Toronto Catholic District School Board (2012 SCC 51), where a damages award was reduced to a nominal amount because the plaintiff had failed to mitigate. Win the argument, lose the recovery.

Stack the three realities together and the picture is clear. The deposit can be frozen for months. The lawsuit can take years and is capped by what you could have recovered by relisting. Specific performance is rarely granted. Every courtroom option costs you carrying charges while you wait, and none of them pays you this month.

Here is a modelled example of what waiting costs. On a $600,000 mortgage balance at 5 percent, interest runs about $2,500 a month; add roughly $400 a month in property tax and about $400 in utilities and insurance, and you are near $3,300 a month. Over an eight-month relist-and-dispute window that is roughly $26,400, before any price drop on resale. These figures are illustrative and depend on your own numbers, but the direction does not change: the meter runs the entire time the legal options grind on.

How do you protect yourself as a seller if your buyer can't close?

You transfer the financial risk before the deal can fail, instead of chasing it afterward. This is the fourth option, and it is the one missing from every litigation-first list, because it is not litigation. It is home closing insurance, and the seller is the insured party.

SecureMyOffer is home closing insurance for Canadian home sellers. It protects the seller financially when a buyer defaults or delays between a firm offer and closing day, covering the gap a failed or delayed closing creates: the resale shortfall, carrying costs, legal fees, and bridge financing, up to a maximum of $250,000 per transaction.

The difference that matters here is speed. Rather than a frozen deposit or a judgment years away, the policy's Emergency Advance Payment sends up to 50 percent of the policy limit to the seller's real estate lawyer's trust account, as early as the same day, to meet immediate cashflow needs. The policy is underwritten by Accelerant Insurance Company of Canada, which carries an "Excellent" rating from AM Best.

Timing is the one hard rule. Coverage must be arranged within 10 days of the offer becoming firm, and at least 14 days before closing. A typical premium runs between $1,000 and $1,500 and is set by underwriting. The product is available across Canada except Quebec, on resale homes, and it is not title insurance, a home warranty, or CMHC mortgage insurance.

FAQ

Can a seller keep the deposit if the buyer won't close?
Sometimes, but not automatically. A deposit in a brokerage trust account is only released by a signed mutual release or a court order, so if the buyer disputes it, the funds can stay frozen for months or longer while the dispute is resolved.

Can I sue a buyer who backs out of a firm deal in Canada?
Yes. A seller can sue for damages beyond the deposit, usually the difference between the firm price and the resale price plus carrying costs and fees. Canadian courts award these, but litigation commonly takes two to five years and you must relist to limit your losses in the meantime.

Can I force the buyer to go through with the purchase?
Almost never for a typical home. Forcing completion is called specific performance, and since Semelhago v. Paramadevan (1996) courts treat money damages as the default and grant specific performance only where a property is proven unique. Most sellers end up pursuing damages instead.

What is the fastest way to recover money when a sale falls through?
The fastest recovery does not come from the courtroom. Home closing insurance can advance up to 50 percent of the policy limit to your lawyer's trust account as early as the same day, while deposit disputes and lawsuits can take months or years to pay.

Does home closing insurance replace my lawyer?
No. It works alongside your real estate lawyer. SecureMyOffer covers the seller's financial loss and takes on the burden of pursuing the defaulting buyer, so you are not funding the recovery yourself.

Want to know where your deal is exposed before you accept an offer? Start with our free Home Seller Guide for a plain-language walk through the firm-to-closing window.

A buyer who won't close leaves a Canadian seller with three slow legal options and one that moves at the speed of the bills. You insured the house. The question worth asking before closing day is who insured the sale.