What do buyer's agents do? What are buyer agent responsibilities? For more information about buyer's agents responsibilities, visit www.homebuyerscolorado.org or www.buyeragentsearch.com. First time home buyer Sarah in Denver, Colorado describes the primary responsibilities of a buyer's agent based on her experience working with an exclusive buyer's agent in Colorado. Buyer's agent responsibilities include helping a home buyer find the perfect home, providing property evaluations and comparative property values, negotiating price and terms, and generally protecting home buyer's rights and interests throughout the home buying process.