The Risk of Submitting Two Simultaneous Offers in Ontario

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Every offer in Ontario includes an irrevocable clause — a window of time during which the buyer cannot withdraw the offer. Typically set at 24–48 hours (sometimes shorter in competitive situations), this period gives the seller time to review and respond. Once the seller signs back an acceptance within that window, a binding contract exists. If the irrevocable period expires without a response, the offer lapses and the buyer is free. The danger with simultaneous offers is simple: if both irrevocable periods are active at the same moment, both sellers can accept — and both contracts become binding.

Ontario resale real estate has no cooling-off period. Once an offer is accepted, you are in a firm contract. If you’ve simultaneously signed two such contracts, here’s the exposure:

Deposit forfeiture — Backing out of either deal means losing your deposit, typically 3–5% of the purchase price.

Damages lawsuit — The seller can sue for the difference between your offer price and whatever they eventually sell for (often lower), plus carrying costs.

Credit and mortgage impact — Being in default on a purchase contract can affect your borrowing capacity for years.

This isn’t hypothetical. Ontario buyers have lost well over $100,000 in these situations.

The cleanest solution: submit Offer A, wait for it to expire or be rejected, then submit Offer B. Set a short irrevocable period on Offer A — 24 hours is common and reasonable. If the seller doesn’t respond, your offer lapses at the deadline and you’re completely free. In 2026’s more relaxed market, most listings aren’t moving in hours. You have time to be sequential. Patience is not weakness here — it’s sound legal practice.

A backup offer is a conditional offer submitted to a second seller, explicitly stating it only becomes binding if your first deal fails to close by a specified date. This is legally safe because the activation condition prevents both contracts from being simultaneously binding. The catch: not all sellers will sit and wait. But in a buyer’s market with a motivated seller, some will accept a backup position rather than relist. Your agent needs to communicate this structure clearly — it only works if both parties understand the condition.

Arthur’s Note

Safe Sequential Offer Flow

The balanced 2026 market means most properties won’t receive multiple offers within hours. Sequential strategies are entirely practical. That said, certain desirable detached homes still attract fast competition, and the legal risk of overlapping irrevocables doesn’t disappear just because the market is slower. The rule is simple: never have two active, non-expired irrevocable periods running at the same time. That one discipline eliminates the entire risk category.

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