How commission is structured, and who pays which side
A residential sale usually involves two brokerages: the one that lists and markets the property, and the one that represents the buyer. Each is paid a percentage of the sale price, and the two percentages together are the combined rate. On a $450,000 sale at 2.5% and 2.5%, the total is $22,500 — $11,250 to each brokerage.
Historically these were bundled. The seller agreed a single rate with the listing brokerage, which then offered a share of it to whichever brokerage brought the buyer, and that offer was published alongside the listing. Since the 2024 settlement of antitrust litigation involving the National Association of Realtors, that practice has changed in two specific ways across MLS systems that adopted the required rules: offers of compensation to buyer brokers may no longer be published on the MLS, and a broker working with a buyer must have a written agreement with that buyer before touring a home, specifying how the broker will be paid.
The practical effect is that the two sides are now negotiated separately and more visibly. A buyer's agent agrees their fee with their client in writing. Whether the seller ends up paying it is a term of the purchase contract, negotiated like any other, rather than something assumed from a published offer. This calculator therefore takes two rates rather than one rate and a split, because that is how the numbers are now agreed.
What has not changed: commission rates are not fixed by anyone, there is no standard or customary rate, and every rate is negotiable between you and the brokerage you are hiring.
The commission splits three or four times before anyone is paid
The gross commission is not what any individual earns. It divides in stages, and understanding the stages explains why agents resist rate cuts more strongly than the headline number suggests.
Stage one divides the total between the two brokerages by the rates the parties agreed — the listing side and the buyer side.
Stage two divides each side between the brokerage and the individual agent. A newer agent might be on a 50/50 split; an experienced producer might be on 70/30, 80/20 or a 100% arrangement with a monthly desk fee and a per-transaction charge instead. On the worked example, a 70% split turns the $11,250 listing side into $7,875 for the agent.
Stage three takes the agent's business expenses out of that. Licence and association dues, MLS access, errors and omissions insurance, marketing and photography, signage, vehicle costs, and in many brokerages a franchise fee skimmed off the top of every transaction.
Stage four is tax. Agents are almost always independent contractors, so the remainder is subject to income tax and to self-employment tax on the full amount, with no employer covering half of the payroll contribution.
This calculator reports the agent's share at stage two, because stages three and four are personal to the agent. The point of showing it is that on a $22,500 total commission, no single person receives anything close to $22,500.
Worked example: a $450,000 sale at 2.5% and 2.5%
You list a house at $450,000. Your listing agreement sets 2.5% to the listing brokerage. The eventual buyer's broker has a written agreement with their client for 2.5%, and the purchase contract provides that the seller pays it.
- Listing side. 2.5% × $450,000 = $11,250.
- Buyer side. 2.5% × $450,000 = $11,250.
- Total commission. $11,250 + $11,250 = $22,500.
- Combined rate. $22,500 ÷ $450,000 = 5.000%.
- Listing agent's share. 70% × $11,250 = $7,875, before their expenses and taxes.
Now compare a flat-fee listing service charging $5,000, with the same 2.5% still going to the buyer's broker:
- Flat-fee total. $5,000 + $11,250 = $16,250.
- Effective rate. $16,250 ÷ $450,000 = 3.611%.
- Difference. $22,500 − $16,250 = $6,250 in favour of the flat fee.
The break-even is worth knowing: a $5,000 flat fee equals a 2.5% listing rate when 0.025 × P = 5,000, so P = $200,000. Above that price the flat fee is cheaper and the gap widens with every dollar; below it, the percentage is cheaper. That single division explains most of the flat-fee market — it is a proposition aimed squarely at higher-priced homes, where a percentage rate produces a fee that is hard to relate to the work involved.
What to do with the number
Treat the rate as the opening position, not the price. Commission is negotiable by law and by practice, and the leverage varies with the deal: a high-priced, easy-to-sell house in a hot market is a cheaper listing to service than a low-priced rural property that will take six months. Ask what the rate buys — professional photography, floor plans, staging, print, paid placement, open houses, a specific marketing budget — and get it in writing. A lower rate with no marketing is not necessarily a saving.
Compare on dollars, not on percentage points. Half a percentage point sounds trivial and is $2,250 on a $450,000 sale, which is real money to a seller and roughly a fifth of the listing side to an agent. That asymmetry is why the conversation is often tense.
Consider what the buyer side buys you. A seller is no longer obliged to offer buyer-broker compensation, but declining to do so narrows the pool: a buyer whose agreement requires them to pay their own agent has to fund that out of pocket, on top of their down payment and closing costs, and many cannot. The realistic choice is often between paying the buyer side and accepting a lower price, because a buyer who must pay their own broker will price that into their offer.
Check the whole net, not just the commission. Commission is the largest line on a seller's settlement statement but not the only one — transfer tax, owner's title policy, escrow fees, prorations, concessions and the mortgage payoff all sit alongside it. The seller net sheet calculator assembles the complete picture.
Total commission dollars by price and combined rate
| Sale price | 4% | 5% | 6% |
|---|---|---|---|
| $250,000 | $10,000 | $12,500 | $15,000 |
| $400,000 | $16,000 | $20,000 | $24,000 |
| $500,000 | $20,000 | $25,000 | $30,000 |
| $750,000 | $30,000 | $37,500 | $45,000 |
| $1,000,000 | $40,000 | $50,000 | $60,000 |
Each percentage point of combined rate costs the seller 1% of the sale price — $2,500 at $250,000 and $10,000 at $1,000,000. That linearity in price, against work that scales far less than linearly, is the whole argument for flat-fee and discount models.
Rates are negotiated, never set
No trade body, MLS or government agency sets or recommends a commission rate, and any suggestion that a particular rate is standard, customary or required should be treated as a negotiating position. Rates are agreed individually between a client and a brokerage, and coordinating rates between competing brokerages is an antitrust violation.
Both sides of the agreement are now normally documented in writing before work begins: a listing agreement for the seller, and a buyer representation agreement for the buyer that states how the buyer's broker is compensated. Read the compensation clause, the term, the cancellation provision and any protection period that keeps a fee payable after expiry.
Details that change what you actually pay
- Dual agency. If the listing agent also represents the buyer, one brokerage collects both sides. Some agreements reduce the total rate in that event; many do not, so ask before signing.
- A protection or holdover period. Commission can remain payable for a stated period after the listing expires if the buyer was introduced during the term. Check the length and the requirement to register names.
- Transaction and administration fees. Some brokerages add a fixed charge on top of the percentage. It belongs in your comparison.
- Commission on a reduced or credited price. The fee is calculated on the contract price; a repair credit given after inspection reduces your proceeds but usually not the commission.
- Referral fees. Where a relocation company or another agent referred the client, a share of the side leaves before the brokerage split — it lowers the agent's take, not the seller's cost.
- New construction. Builders often set the buyer-side compensation themselves, and it may differ from anything you would negotiate on a resale.
- Who pays the buyer side. It is now a contract term rather than an assumption. If the seller declines, the buyer pays it under their representation agreement, and that changes what they can offer.
Where commission sits among the costs of selling
Commission is the largest cost of a typical sale but rarely more than half of it. Add transfer or excise tax, the owner's title policy where the seller pays it, escrow or attorney fees, prorated property tax, HOA transfer charges, buyer concessions and repair credits, and the payoff interest on your mortgage through the closing date. The seller net sheet calculator totals all of them and returns the figure that actually reaches you.
If you are dividing a commission inside a brokerage — between agent and broker, between co-listing agents, or across a team with a lead and a showing agent — the commission split calculator handles the multi-stage arithmetic including caps and referral deductions.
For a buyer, commission is not usually a line on your Closing Disclosure when the seller pays it, but it is not free either: it is embedded in the price you negotiate. Your own out-of-pocket costs are modelled by the closing costs calculator, and where your representation agreement requires you to pay your broker directly, add that to the cash you need at the table.
For an investor, commission belongs in every exit assumption. A flip's profit is measured after the sell-side commission, which the fix and flip profit calculator deducts explicitly, and a long-term hold's eventual sale carries the same cost — one of the reasons a buy-and-hold strategy compares favourably to frequent trading of property.