What Is an Option to Purchase?Ontario Buyer’s Complete Guide
Arthur Zhao · AZ Real Estate Partners
AZ AZ Real Estate Partners Buying Process · Contract Guide
AZ Real Estate Partners
What Is an Option to Purchase?Ontario Buyer’s Complete Guide
An option gives you the right to buy a property without the obligation — but that flexibility comes at a cost you need to understand before you sign.
Option Fee
APS vs Option
Buyer Strategy
What exactly is an Option to Purchase?
An Option to Purchase is a contractual agreement where a buyer pays an option fee to secure the exclusive right to purchase a specific property at a fixed price within a defined period. The seller cannot sell the property to anyone else during that period. However — and this is critical — only the seller is legally obligated to wait. The buyer is not required to proceed. Under Ontario contract law and real estate practice, an unexercised option simply expires, with the fee retained by the seller as compensation.
How an Option to Purchase Works — Step by Step
Sign the option agreement and pay the option fee
Both parties sign the Option to Purchase agreement. The buyer pays the agreed option fee — which can range from a few thousand to tens of thousands of dollars depending on the property value and option period. The agreement immediately binds the seller to hold the property exclusively for the buyer during the option period.
Buyer uses the option period to make a final decision
During the option period (commonly 30–90 days for residential transactions), the buyer can arrange financing, sell their existing property, complete a home inspection, or conduct any necessary due diligence. The purchase price is locked in — market fluctuations during this period do not change the agreed price.
Exercise the option — it converts to a binding APS
If the buyer decides to proceed, they formally exercise the option before the deadline (usually with written notice per the contract). The agreement then becomes a binding Agreement of Purchase and Sale. In many cases, the option fee is credited toward the purchase price or applied as the deposit.
Option expires unexercised — fee stays with seller
If the buyer does not exercise the option before the deadline, it expires automatically. The seller keeps the option fee as compensation for having held the property off the market. The seller is then free to list the property again. The buyer walks away with no further obligation — but the fee is gone.
Key Takeaways
- Buyer has the right, not the obligation — only the seller is bound during the option period
- Price is locked in — market appreciation or depreciation doesn’t change the agreed price
- Option fee is the cost of flexibility — treat it as a sunk cost when evaluating the strategy
- Deadline is firm — a missed exercise window means the option is gone; you cannot force the purchase afterward
Option to Purchase vs. Standard APS
| Factor | Option to Purchase | Standard APS |
|---|---|---|
| Buyer’s obligation | No obligation to purchase | Must complete the transaction |
| Seller’s obligation | Cannot sell during option period | Must complete the transaction |
| Upfront payment | Option fee (usually non-refundable) | Deposit (held in trust) |
| Price flexibility | Fixed for the option period | Set at time of signing |
| Best use case | Buyer needs time to confirm financing or sell existing home | Buyer is ready and committed to purchase |
When Does an Option to Purchase Make Sense?
Bridge between properties
You want to buy before selling your current home, but need flexibility in case your sale takes longer than expected
Financing still in progress
Mortgage approval or fund consolidation isn’t finalized yet, but you don’t want to lose the property to another buyer
Lease-to-own arrangements
A tenant who is renting a commercial or residential property wants the right to purchase it before their lease expires
Pre-construction reservations
Developers sometimes use option arrangements to allow buyers to reserve a unit before the formal purchase process opens
Risks You Need to Understand
- Option fee is typically non-refundable — if you don’t proceed, the seller keeps it as compensation for holding the property
- Vague exercise notice requirements — contracts that don’t clearly specify how to exercise the option can lead to disputes
- Market downside risk — your price is locked in; if values drop significantly during the option period, you’re still buying at the agreed price
- Seller breach risk — if the seller violates the agreement and sells to someone else, enforcement requires legal action
My Professional Take
An Option to Purchase is one of the more underused tools in Ontario real estate — and also one of the most frequently misunderstood. In my experience, buyers sometimes approach option agreements thinking of them as a “soft commitment” that gives them a free pass to walk away. That’s true — but the option fee you pay is real money, and it’s almost never coming back.
Before signing any option agreement, I always encourage buyers to ask three questions: Why can’t I just write a firm offer with conditions? What’s my realistic plan to complete the purchase within the option period? Have both my agent and lawyer reviewed every term in the contract?
When used correctly — especially in bridge scenarios or lease-to-own situations — options are genuinely powerful. When used carelessly, they’re an expensive way to delay a decision you could have made sooner. If you’re evaluating whether an Option to Purchase makes sense for your specific situation, reach out and let’s talk through it.
Frequently Asked Questions
What is the difference between an Option to Purchase and an APS in Ontario?
An APS obligates both parties to complete the transaction. An Option to Purchase only obligates the seller — the buyer pays an option fee to secure the exclusive right to purchase within a set timeframe, but is not required to proceed. If the buyer doesn’t exercise the option, the fee typically stays with the seller.
Is the option fee refundable if I decide not to buy?
In most cases, no. The option fee is consideration paid for the exclusive right to purchase — it’s not a deposit in the traditional sense. If you let the option expire without exercising it, the seller keeps the fee. Some agreements allow the fee to apply toward the purchase price if you proceed, but this must be explicitly stated in the contract.
When does an Option to Purchase make sense in Ontario?
Common scenarios include buyers needing to sell their existing home first, commercial tenants wanting the right to buy the property they’re leasing, buyers needing time to secure financing, or pre-construction situations where a developer offers options before the formal sales launch.
How long does an option period typically last in Ontario?
Option periods are negotiable. In Ontario residential real estate, 30 to 90 days is most common. Longer option periods typically require a higher option fee since the seller is assuming more uncertainty. Commercial options may extend to 6–12 months.
Do I need a lawyer for an Option to Purchase agreement?
Yes — strongly recommended. Option agreements involve complex terms around how and when the option must be exercised, what happens to the fee, price lock provisions, and the seller’s obligations during the option period. A real estate lawyer can protect your interests and ensure the contract is enforceable.
Professional Guidance
Thinking About Using a Purchase Option?
Let’s assess whether this strategy fits your buying situation — and make sure your contract terms are airtight before you sign anything.
Arthur Zhao · Real Estate Broker · FRI · ABR · SRS · MCNE · E-PRO · CLHMS & GUILD Elite · REAIS
VP & Branch Manager, Bay Street Group Inc.
Arthur Zhao
Real Estate Broker · FRI · ABR · SRS · PSA · MCNE · E-PRO · CLHMS & GUILD Elite · REAIS
VP & Branch Manager, Bay Street Group Inc.
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