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What Happens If a Real Estate Deposit Cheque Bounces in Ontario?

An NSF deposit cheque doesn't cancel your Agreement of Purchase and Sale. Here's what can happen legally if your real estate deposit fails to clear.

Real Estate5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • An Agreement of Purchase and Sale becomes a binding contract once it's signed and accepted, and any conditions are satisfied or waived — a bounced deposit cheque doesn't automatically…
  • If your agreement allows a personal cheque, understand that you're taking on real legal risk if it doesn't clear.
  • Consequences depend on the specific wording of your agreement and the surrounding facts, but generally can include: 1.

A firm offer is a firm offer — even if the cheque behind it doesn't clear. One of the more stressful situations in an Ontario real estate deal is discovering that a buyer's deposit cheque has been returned NSF (non-sufficient funds). The agreement doesn't just quietly disappear, and the consequences can be serious for the buyer.

The Agreement Is Still Binding

An Agreement of Purchase and Sale becomes a binding contract once it's signed and accepted, and any conditions are satisfied or waived — a bounced deposit cheque doesn't automatically cancel that agreement. The deposit is typically a term of the contract, not a condition of its existence, meaning a buyer's failure to deliver good funds is generally treated as a breach of the agreement rather than something that unwinds the deal on its own. The buyer remains legally obligated to close, subject to whatever the specific agreement and general contract law say about that breach.

Why Certified Funds Are Usually Required

This is exactly why many Agreements of Purchase and Sale require the deposit to be paid by bank draft or certified cheque rather than a personal cheque — certified instruments are drawn against funds the bank has already confirmed and set aside, making an NSF situation far less likely. If your agreement allows a personal cheque, understand that you're taking on real legal risk if it doesn't clear.

What Can Happen If Your Deposit Cheque Bounces

Consequences depend on the specific wording of your agreement and the surrounding facts, but generally can include:

  1. The seller treats it as a breach. A bounced deposit cheque is often the first sign to the seller's side that something is wrong, and it can be treated as a breach of the agreement.
  2. The seller may pursue remedies available under the contract. Depending on the agreement's terms and general contract law, this can range from demanding immediate replacement funds, to treating the agreement as at an end and pursuing damages, up to and including a claim for the deposit amount and any losses the seller suffers — for example, from having to relist and sell for less.
  3. The buyer's other conditions and deadlines don't pause. A bounced deposit doesn't extend financing, inspection, or closing deadlines — those keep running under the agreement as written.
  4. Reputational and practical fallout with the brokerage. Real estate professionals take NSF deposits seriously, and it can affect how a buyer is perceived in future transactions with the same brokerage or agents.

No outcome is automatic — what actually happens depends on the agreement's specific default and remedy clauses, how quickly the issue is corrected, and whether the seller chooses to enforce the agreement or negotiate a resolution.

If This Happens to You: What to Do

Preventing This in the First Place

Frequently asked questions

Can the seller cancel the deal just because my deposit cheque bounced?

Not automatically or in every case — it depends on the agreement's wording and the surrounding circumstances. But a bounced deposit is taken seriously and can support the seller treating it as a breach, so don't assume the deal is safe just because closing hasn't arrived yet.

Will I lose my deposit if the cheque never clears?

If the cheque never cleared, there may be no deposit funds actually held in trust — the dispute typically becomes about the buyer's exposure for breaching the agreement, not about "losing" money that was never successfully transferred. A lawyer needs to review your specific facts.

Can I just replace the cheque with a new one right away?

Often yes, and doing so quickly is usually the right first step — but replacing the funds doesn't automatically erase the fact that a breach may already have occurred. Get legal advice on managing the situation, not just the mechanics of paying again.

Does this affect my mortgage financing?

A deposit issue is separate from your mortgage approval, but delays or disputes arising from it can affect your timeline, which in turn can affect financing conditions. Keep your lender informed if a deposit issue is likely to delay any part of the process.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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