Multiple listing service

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A multiple listing service (MLS, also multiple listing system or multiple listings service) is an organization with a suite of services that real estate brokers use to establish contractual offers of cooperation and compensation (among brokers) and accumulate and disseminate information to enable appraisals. A multiple listing service's database and software is used by real estate brokers in real estate (or in other industries, for example, aircraft brokers^[1]), representing sellers under a listing contract to widely share information about properties with other brokers who may represent potential buyers or wish to work with a seller's broker in finding a buyer for the property or asset. The listing data stored in a multiple listing service's database is the proprietary information of the broker who has obtained a listing agreement with a property's seller.