Understanding Real Estate Broker Commissions: All You Need to Know Understanding Real Estate Broker Commissions: All You Need to Know 1. What are Real Estate Agent Commissions? – Real estate agent commissions are fees paid to real estate agents for their services in helping clients buy or sell a property. – The commission is usually a percentage of final sale price and is paid by seller. The commission can vary depending upon the market and on the agreement reached between the agent, the seller and the buyer. Most real estate agents are paid only if the sale is successful. The