MLS (multiple listing service)
The shared database where local agents post listings and share offers of cooperation. Only members can enter listings; the public sees them through IDX sites.
Also called: MLS, multiple listing service, the MLS, listing service
Related terms
The MLS feed that lets agents show other brokerages' listings on their own websites. Each MLS sets display rules, like showing the listing brokerage's name.
A members-only website where registered consumers can see more MLS data than IDX shows, like sold prices. Users must sign up and agree to terms.
A NAR rule that a listing must hit the MLS within one business day of public marketing, like a yard sign or a social post. In 2025 NAR added an option for sellers to delay public marketing.
Sending listings from the MLS or brokerage to sites like Zillow, Realtor.com and Homes.com. Sellers can usually opt out.
A home that is currently for sale and taking offers. It has not yet gone under contract with a buyer.