How a Buyer’s Agent Works: Duties, Contracts, and Payment

A buyer’s agent is a licensed real estate professional who represents you — not the seller — when you purchase a home, handling the search, offer, negotiation, and closing on your behalf. Here is how a buyer’s agent works in practice: you sign a written agreement that defines the services and the fee, your agent searches listings and tours properties with you, drafts and negotiates your offer, manages inspections and deadlines through closing, and gets paid either by the seller, by you, or by a split of the two depending on what you negotiated. Since August 17, 2024, that written agreement has to be in place before an agent working with a Multiple Listing Service can show you a single property.¹

What a Buyer’s Agent Does

The work starts before you see a home and ends when the deed is recorded in your name. In between, your agent searches for properties that fit your criteria, arranges showings, writes and submits offers, negotiates price and repair credits, coordinates inspections and the appraisal, and tracks every deadline in the purchase contract.

The thing that actually makes the role valuable is representation. A listing agent works for the seller and has a legal duty to get the seller the best possible deal. Your buyer’s agent owes that same level of duty to you. Without one, you’re relying on the seller’s representative to help you through a transaction where your interests directly conflict with theirs.

A capable agent also reads a property beyond the listing photos. They flag signs of water damage behind fresh paint, a furnace near the end of its life, or a driveway graded to send water toward the foundation. They notice the signals in the listing itself — price reductions that suggest a problem, days on market that don’t match the neighborhood, disclosures that raise more questions than they answer.

The Legal Duties Your Agent Owes You

Once you sign a buyer representation agreement, your agent takes on fiduciary duties. These are enforceable legal standards, not vague promises, and violating them can result in monetary damages, loss of the agent’s license, and in some cases reversal of the transaction.

Loyalty. Your agent must put your interests ahead of their own. If a property pays a higher commission but isn’t the right fit, the agent cannot steer you toward it.
Confidentiality. Your maximum budget, your urgency, your personal circumstances — all of it stays private, and the obligation survives the end of the professional relationship.
Disclosure. Your agent must tell you every material fact they know about a property or the transaction, including condition problems, title issues, or information about the seller’s motivations that strengthens your position.
Obedience. Your agent follows your lawful instructions. If your ceiling is $400,000, they don’t submit at $415,000 because they think you should stretch.
Reasonable care and accounting. Your agent handles the transaction competently, meeting deadlines, preparing documents accurately, and accounting for every dollar of earnest money or other funds that pass through the deal.

The most common breach buyers run into is subtle: an agent who signals your financial position to the listing side during negotiations. If your agent tells the seller’s agent you’d go higher, that confidentiality violation costs you money directly. If you suspect a breach, you can file a complaint with your state’s real estate licensing board, and in serious cases you may have grounds to recover damages in court.

The Written Buyer Agreement

Before August 2024, many buyers worked with agents informally — no signed contract, no clear terms, often no real understanding of who was paying the agent or how much. The settlement of a major antitrust lawsuit against the National Association of Realtors changed that. A signed written agreement is now required before your agent can show you a property, whether in person or on a live virtual tour.¹

The agreement has to include several specific provisions:²

A specific compensation amount or rate, from any source. It cannot be left open-ended or stated as “whatever the seller offers.”
Start and end dates. The contract runs for a defined period, and shorter is more flexible.
Geographic scope. The agreement should specify which areas your agent covers — certain neighborhoods, a county, or a metro area.
A conspicuous statement that commissions are not set by law and are fully negotiable.

Every element is negotiable.³ The services, the duration, the compensation. An agent who presents the form as take-it-or-leave-it is either uninformed or testing whether you’ll push back.

Exclusivity

Most buyer agreements are exclusive, meaning you work with one agent for the contract period. If you buy a home during that time, even one you found on your own, your agent is typically owed their fee. Non-exclusive agreements exist but are harder to find, because fewer agents will do substantial work knowing they might not be paid.

Protection Periods

Watch for a “protection period” or “tail clause.” This provision says that if you buy a property your agent showed you or introduced you to, the agent is entitled to their commission even after the agreement has expired. Tails are standard; the length is negotiable. Ninety days on a property your agent actually worked is reasonable. Six months covering every listing they ever emailed you is not.

How Your Agent Gets Paid Now

Compensation is where the most has changed. Under the settlement, sellers and listing agents can no longer advertise buyer agent compensation through the MLS. Any offer of compensation to a buyer’s agent has to be communicated outside the MLS, by phone, email, or showing instructions. And you have to agree in writing to your own agent’s fee before touring homes, as a specific number or clearly determinable rate.²

Buyer agent fees currently average around 2.5% to 3% of the sale price, though they’re fully negotiable and some agents work for flat fees. Payment usually breaks down one of three ways:

The seller pays. The seller still offers compensation to the buyer’s agent in many transactions, just off-MLS. If the seller’s offer matches or exceeds what you agreed to pay your agent, you owe nothing extra.
You pay the gap. If the seller offers less than your agent’s agreed fee, you cover the difference. This can be folded into the purchase contract by asking the seller for a concession.
You pay the whole thing. If the seller offers no compensation, you pay your agent’s full fee from your own funds at closing.

You Cannot Finance the Commission Into Your Mortgage

Under current rules from Fannie Mae, Freddie Mac, and FHA, buyer agent commissions cannot be added to your loan balance.⁴ If you’re responsible for your agent’s fee and don’t have extra cash on hand, you’ll need to negotiate a seller concession or adjust your offer price to account for it.

Retainers and Administrative Fees

Some agents now charge a small upfront retainer when you sign the buyer agreement. The retainer is typically credited toward the total commission at closing, but if you don’t end up buying, the agent generally keeps it. Ask about refundability before you sign.

Separate from the commission, many brokerages charge a flat administrative or transaction fee for paperwork and file management. These range from a couple hundred dollars to nearly $2,000 and are often disclosed late. Ask upfront, because they’re negotiable and sometimes waivable.

Offers, Negotiation, and Closing

When you find the right property, your agent drafts a purchase offer built around your price, terms, and risk tolerance. Most offers include contingencies that protect your earnest money: a financing contingency if your loan falls through, an inspection contingency so you can renegotiate or walk away based on findings, and an appraisal contingency if the home doesn’t appraise at the purchase price.

In competitive markets, your agent might recommend an escalation clause that automatically raises your bid above competing offers up to a cap you set. These can work, but there’s a real tradeoff: the seller immediately learns the maximum you’re willing to pay, which undercuts your leverage if negotiations continue.

After the seller accepts, the pace picks up. Your agent coordinates inspections, monitors the appraisal, and tracks every deadline. Missing a contingency deadline can mean forfeiting your earnest money or waiving your right to negotiate repairs. In the final days, your agent arranges a walkthrough so you can verify the property’s condition matches what you agreed to buy. At closing you sign the loan and transfer documents, the deed is recorded, and the home is yours.

Dual Agency

Dual agency happens when the same brokerage, or the same agent, represents both you and the seller in the same transaction. About eight states ban it outright. Most states allow it with written disclosure and consent from both sides.

The practical problem is simple. An agent representing both sides can’t fully advocate for either. They can’t tell you the seller is desperate to close quickly, and they can’t tell the seller you’d pay more than your initial offer. Some brokerages use “designated agency,” where two different agents inside the same firm each represent one side, which preserves individual advocacy but still creates a potential information leak in the same office.

If dual agency comes up, usually because you fall for a home listed by your own agent’s brokerage, you have the right to refuse. You can bring in an outside agent for that transaction or proceed with limited representation. No one can force you into dual agency without your written consent.

Getting Out of the Agreement

If the relationship isn’t working, the cleanest path is mutual termination in writing. Most agents will agree rather than force someone to keep working with them, since an unhappy client rarely closes well.³

Read the termination clause before you sign. Some agreements let you end with written notice and no penalty. Others require payment for services already rendered or impose conditions you’ll want to understand ahead of time. And remember the protection period: if your agent already showed you specific properties, they may still be owed a commission on those homes even after you part ways.

Choosing the Right Agent

The written-agreement rule actually helps here, because it forces you to think about who you’re hiring before anything starts. Interview at least two or three agents before signing. Ask how they handle multiple-offer situations, how many buyers they’re currently working with, and whether they have backup coverage when they’re unavailable. Ask for examples of how they’ve analyzed disclosures or negotiated repairs on past deals.

Verify the license through your state’s real estate licensing board — every state has a public lookup. Pay attention to how the agent talks about money. Someone who clearly explains their fee, what it covers, and how seller contributions might offset it will be transparent on the rest of the process too. Someone who gets evasive about money will get evasive about other things.

1
National Association of REALTORS®. What the NAR Settlement Means for Home Buyers and Sellers
2
National Association of REALTORS®. Written Buyer Agreements 101
3
National Association of REALTORS®. Consumer Guide to Written Buyer Agreements
4
National Association of REALTORS®. NAR Facts and Financing FAQ