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Buying · Apr 10, 2026 · 6 min read

Ontario · Home Buying

Your Buyer’s Agent Works for You —
But Their Commission Works Differently

TRESA · Fiduciary Duty · BRA · Commission Structure — fully explained ↓

📋 TL;DR — 3 Key Takeaways
  • Under Ontario’s TRESA, a buyer’s agent who signs a Buyer Representation Agreement (BRA) with you has a legal fiduciary duty — including loyalty, confidentiality, and full disclosure on your behalf.
  • “Best interest” doesn’t always mean the lowest price — in a competitive market, an informed, timely offer at fair value often serves you better than repeatedly low-balling and losing.
  • Commission is paid by the seller as a percentage of the sale price, creating a structural tension you should understand — and know how to work with.

A client once asked me directly: “Who are you really working for — me or yourself?” It’s an honest question, and one that more buyers should ask. The relationship between a buyer and their agent is defined by law in Ontario, but the legal framework doesn’t automatically eliminate conflicts of interest. This article lays out the legal obligations your agent has toward you, explains the commission structure and where tension can arise, and gives you practical tools to protect your own interests throughout the buying process.

1
The Legal Framework: TRESA and Fiduciary Duty

Ontario’s real estate industry is governed by TRESA (Trust in Real Estate Services Act), which replaced REBBA in 2023. Under TRESA, once you sign a Buyer Representation Agreement, your agent owes you a full fiduciary duty — a legal standard requiring them to put your interests above their own. This includes:

Loyalty: your interests come first, even over the agent’s own financial benefit. Confidentiality: your budget ceiling, urgency, and motivations cannot be disclosed to the seller or their agent. Full Disclosure: the agent must tell you everything material they know about a property. Diligence: actively working to find properties that fit your needs and criteria.

2
Commission Structure: The Built-In Tension

Here’s what you need to understand about how agents get paid: buyer’s agents are typically compensated by the seller, at a rate pre-set in the listing agreement — usually 1% to 2.5% of the sale price. This means a higher purchase price results in a higher commission for your agent. It also means closing quickly is financially better for the agent than a prolonged search.

Since 2024, TRESA requires agents to disclose their compensation structure in writing before providing services. But disclosure alone doesn’t eliminate the tension — it just makes it visible. Before signing any agreement, ask your agent directly: “How much commission will you earn on this transaction? Are there any bonuses or incentives from the seller’s side?” A good agent will answer without hesitation.

3
What “Best Interest” Actually Means in Practice

Many buyers assume their agent’s job is simply to get the lowest price. That’s a misunderstanding. Best interest is a holistic judgment that includes: securing the right property at a price supported by market data, protecting you with appropriate conditions (inspection, financing), avoiding properties with undisclosed defects, and timing the transaction to match your actual needs.

In a competitive multi-offer environment, a buyer who insists on lowballing every property may lose 5–10 suitable homes before finally paying over asking on one they’re less enthusiastic about. That’s not a win. A skilled agent uses CMA data to identify fair value, advises you on when to compete aggressively and when to walk away, and structures offers that protect you even when bidding above list price.

4
Red Flags: Signs Your Agent May Not Be Acting in Your Best Interest

Watch for these warning signs that your agent’s interests may be taking priority over yours: pressuring you to submit an offer quickly without providing comparable sales data; failing to disclose known material defects or issues with a property; consistently recommending properties above your stated budget without clear justification; steering you toward specific lawyers, inspectors, or mortgage brokers with unexplained urgency.

How to protect yourself: always request a written CMA (Comparative Market Analysis) before finalizing any offer price. Independently verify recent sold prices through publicly available TRREB data. Choose your own home inspector and real estate lawyer through independent research. These steps don’t signal distrust — they’re standard practice for informed buyers.

💡 Arthur’s Advice

The healthiest agent-buyer relationship is one where you understand the structure, stay actively involved in decisions, and trust the agent’s expertise without outsourcing your judgment entirely. Before signing a BRA, spend 10 minutes discussing commission, service scope, and your expectations openly. Ask how the agent has handled situations where their advice was something the buyer didn’t want to hear. That conversation will tell you more about whether this is the right agent than any credential or review.

Establishing a Buyer-Agent Relationship ↓
① Interview: credentials + commission structure

② Sign BRA: define scope, term, and compensation

③ Search phase: require written CMA for each offer

④ Offer: data-driven decision, not verbal pressure

❓ Frequently Asked Questions
Q: Can I view homes without signing a BRA?
A: Under TRESA (2024 amendments), agents must have a signed written agreement before providing services. However, you can negotiate a short-term or property-specific agreement rather than a long exclusive contract. Read every clause carefully — particularly the exclusivity period and how commission is structured if you find a home independently.

Q: Is multiple representation (dual agency) legal in Ontario?
A: Yes, with written consent from both parties. But when one agent represents both buyer and seller, they cannot provide full fiduciary service to either side. My strong advice: avoid multiple representation as a buyer. The savings, if any, are rarely worth the reduced protection.

Q: What if I’m unhappy with my agent and want to switch?
A: Review the termination clause in your BRA — most agreements allow termination with written notice. For serious concerns about agent conduct, you can file a complaint with RECO (Real Estate Council of Ontario). To avoid this situation entirely, negotiate clear termination rights before signing.

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Arthur Zhao
Broker · SRS · ABR · MCNE | AZ Real Estate Team
📞 416-888-6161 | arthurzhao.realtor

#BuyersAgent
#FiduciaryDuty
#TRESA
#OntarioRealEstate
#BuyerRepresentation
#RealEstateCommission
#HomeBuyingGuide


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作者简介About the author
Arthur Zhao
Real Estate Broker · FRI · ABR · SRS · PSA · MCNE · E-PRO · CLHMS & GUILD Elite · REAIS
VP & Branch Manager, Bay Street Group Inc.

为大多伦多地区客户服务的双语经纪。专注于为首购、投资者和跨境家庭提供有结构的策略。先看透,再落笔。Bilingual broker serving the Greater Toronto Area. Specialty: structured strategy for first-time buyers, investors, and cross-border families. Knowledge before commitment.

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