What Goes Into an Ontario Agreement of Purchase and Sale?

Author: Jeewan Sidhu, REALTOR® — HomeLife/Miracle Realty Ltd., Brokerage
Date reviewed: August 3, 2026

An Agreement of Purchase and Sale is not merely a way to propose a price. It sets out the parties’ proposed rights and obligations for a specific real estate transaction. If the offer is accepted according to its terms, the agreement can become a binding contract with serious financial and legal consequences.

This article is a plain-language orientation for residential buyers and sellers in Ontario, including Kitchener, Waterloo, Cambridge, and nearby communities. It does not interpret any particular agreement or replace an Ontario real estate lawyer. Forms, clauses, schedules, and property circumstances differ, so read every word and obtain legal advice when needed before signing.

The written offer and the complete agreement

The agreement is made up of more than the first page. It may include standard terms, inserted clauses, schedules, amendments, waivers, notices, and other documents. Read them together. A clause added for one transaction can change how another provision works.

Ontario’s Trust in Real Estate Services Act, 2002 requires a registrant acting for a buyer to present an offer to purchase in writing. The legislation regulates real estate professionals; it does not turn a general article into advice about your contract.

1. Correct parties and property

The agreement should correctly identify the buyer, seller, and property. Names may affect financing, title, estate planning, tax, and legal issues. Do not guess how a purchaser should be named or how title should be held. Discuss those questions with the lawyer and lender before the agreement is finalized where possible.

The property description must be sufficiently clear. Municipal address, unit and level information for condominiums, parking or locker components, and legal description details should be checked. A real estate lawyer can advise on title, easements, rights of way, restrictions, and other registered interests.

2. Purchase price and deposit

The purchase price is only one economic term. The agreement also describes the deposit: its amount, when it must be delivered, and how it is held. A deposit is connected to the buyer’s contractual obligations; it should not be described casually as a fully refundable reservation payment. The treatment of a deposit depends on the agreement and circumstances.

3. Irrevocability and acceptance

An offer normally states a time until which it is open for acceptance. This is often called the irrevocable period. It affects how long the offering party is committed to the offer under its wording and how acceptance must be communicated. Dates, times, initials, signatures, and delivery provisions must be handled carefully.

A counter-offer is not merely a discussion; it can have contractual consequences and may change price, dates, conditions, or other terms. Do not assume an earlier offer remains available after a counter-offer. Ask your lawyer about any uncertainty.

4. Conditions and their deadlines

A condition makes the transaction subject to stated wording, timing, and notice requirements. Depending on the property and buyer, an offer might address financing, inspection, insurance, a condominium status certificate, lawyer review, sale of another property, septic or well review, or another specific concern.

A condition is not a generic escape clause and does not guarantee a desired outcome. Its benefit, deadline, standard, and method of fulfillment or waiver matter. Removing a condition can change the parties’ rights. Ontario’s real estate-services legislation requires a registrant acting for a buyer to present an offer in writing, but it does not make any condition automatic or suitable for every transaction. Obtain property-specific legal and professional advice.

5. Completion date and possession planning

The completion date is the intended legal closing date, not simply moving day. The lawyers, lender, parties, and land-registration process all have work to complete. Keys or access are normally addressed after legal completion rather than at a buyer’s preferred moving time.

6. Inclusions, exclusions, and rental items

Be specific about items expected to remain or be removed. Appliances, lighting, window coverings, mirrors, wall-mounted equipment, sheds, charging equipment, smart-home devices, and other items can create disagreement when descriptions are vague. Brand, model, location, or another identifying detail may help where an item is important.

Identify equipment that is rented, leased, financed, or subject to a service contract. In Waterloo Region, water heaters and some heating, cooling, security, or energy equipment may involve ongoing agreements. Do not assume a listing description establishes the legal terms. Obtain and review the applicable contract and ask the lawyer about any obligation a buyer is expected to assume.

7. Representations, warranties, and property information

Contract wording may address the condition, use, ownership, or operation of particular property features. The duration and effect of a representation or warranty can depend on its language. A seller should not make a statement without a reasonable basis, and a buyer should not treat a general statement as a substitute for independent due diligence.

If renovations, permits, zoning, a secondary suite, environmental concerns, prior damage, or another issue matters, determine what can be verified through the municipality, records, inspection, insurer, or specialist. Kitchener, Waterloo, and Cambridge are separate municipalities, so local zoning and permit information should be checked with the correct authority.

8. Title review, adjustments, and closing costs

Agreements commonly deal with title examination, permitted encumbrances, document preparation, adjustments, and other closing matters. Property taxes, utilities, rents, condo amounts, or similar items may be adjusted between the parties as applicable. Your lawyer prepares or reviews the closing calculation and can explain title insurance, registration, funds, and legal consequences.

Buyers should budget beyond the purchase price and down payment. Ontario’s official land transfer tax resource explains the provincial tax framework, but the lawyer should calculate the transaction-specific amount and address any possible refund. New construction, investment use, non-residency, and other circumstances may require additional tax advice.

9. Notices, signatures, schedules, and changes

The agreement may prescribe how notices and documents are delivered. Email addresses and other contact details need to be accurate. Every schedule should be attached, every referenced clause should be present, and initials or signatures should be placed where required.

10. Representation and competing offers

Understand whom the brokerage represents and what services it will provide. The General regulation under TRESA sets requirements for written brokerage agreements and registrant conduct. Review the services, remuneration, duration, termination, and representation terms that apply to you.

In a competing-offer situation, the seller decides how to respond to offers. Ontario’s current general regulation under TRESA requires a seller’s brokerage to communicate the number of competing written offers to each person making one. A seller may direct the brokerage to share some offer content, subject to the regulation’s rules. Review the current Ontario regulation and obtain transaction-specific advice rather than relying on assumptions about an open or closed process.

Before signing: a practical pause

Read the agreement and every schedule from beginning to end.
Confirm names, property, price, deposit, dates, and contact details.
Make sure important inclusions, exclusions, rental items, and promises are written clearly.
Understand each condition, deadline, and notice requirement.
Check that the proposed closing date works with financing and moving plans.
Identify property issues requiring inspection, records, municipal verification, insurance, or specialist review.
Ask what has not yet been verified.
Obtain legal advice before signing where you need clarification or protection.

After acceptance

Send the complete agreement promptly to the lawyer and lender. Deliver the deposit as required, calendar every condition and closing deadline, arrange inspections or reviews, and preserve the source documents. Do not sign a waiver, fulfillment, amendment, assignment, mutual release, or other transaction document without understanding its effect.

Sources

General-information disclaimer: This article provides general educational information only and is not legal, mortgage, financial, tax, title, inspection, or other professional advice. It does not interpret any agreement or recommend clauses for a particular transaction. Laws, forms, practices, and circumstances change. Have an Ontario real estate lawyer review and advise on your agreement and obtain other qualified advice appropriate to the property and your situation.