MLS = Multiple Listing Service
The MLS is the private database real estate agents use to share listings with each other. It is also the upstream feed that syndicates your home to Zillow, Realtor.com, Redfin, and the brokerage sites serious buyers search every day.
A multiple listing service (MLS) is a regional, agent-only database that powers nearly every real estate search in the U.S.
A Multiple Listing Service (MLS) is a regional database of homes for sale. Licensed real estate brokers and agents use it to share property details, commission terms, showing instructions, and offer status with each other.
There is no single national MLS. The U.S. is covered by hundreds of regional MLSs — HAR, Bright MLS, FMLS, ARMLS, and dozens of others — each serving a specific city or state. Your home is listed in the MLS that covers your property's address.
The MLS is built on broker cooperation: agents agree to share listings and split commissions when another agent brings a buyer. This cooperation is why a buyer's agent can show your home even if you do not hire them directly.
The MLS is not just a database — it is the distribution network that puts your home in front of serious buyers.
Roughly 90% of buyers work with an agent, and those agents search the MLS. Getting on the MLS is how your home enters their showing list.
The MLS syndicates to Zillow, Realtor.com, Redfin, Trulia, Homes.com, and brokerage partner sites. List once, appear everywhere.
MLS listings appear in the main 'For Sale' results buyers see by default. FSBO-only posts are filtered out or hidden in separate tabs.
One MLS listing becomes dozens of public listings — automatically.
Syndication is the automatic sharing of MLS data to public real estate websites and brokerage platforms. When your listing goes active in the local MLS, the data is sent through licensed syndication networks to partners like Zillow, Realtor.com, and Redfin.
You do not manually post to each site. You list once, and the MLS feed does the rest. This is why a flat fee MLS listing can generate the same exposure as a full-service listing — the distribution is identical.
Most listings appear on the largest portals within 24 hours. Some sites may take longer, and each portal controls how listings are displayed, filtered, and ranked. Learn how MLS listing syndication works.
Your MLS listing is the source for most of the places buyers actually search.
The largest real estate portal in the U.S.; pulls listing data from MLS feeds.
The official site of the National Association of REALTORS® and powered by MLS data.
Agent-owned brokerage and portal that sources most listings directly from the MLS.
Zillow-owned portal that receives MLS-syndicated listings and neighborhood data.
National portal with millions of listings sourced from MLS feeds and broker partners.
Coldwell Banker, RE/MAX, Keller Williams, and other broker sites display MLS listings.
The difference between listing on the MLS and posting on your own.
You do not need a full-service agent to get the MLS exposure your home needs.
Flat fee MLS is a service where a licensed broker lists your home on the local MLS for a one-time flat fee — starting at $99 with FlatFeeMLS.ai. You keep control of the listing price, showings, negotiations, and offers.
The listing is entered into the MLS exactly the same way a full-service agent would enter it. That means it syndicates to the same portals and appears in the same agent searches. The only difference is the cost: you pay a flat fee upfront instead of a percentage commission at closing.
In some states, local brokerage rules require a flat $299 listing fee. In a few states, a quick manual review is needed to confirm MLS availability and pricing. See the coverage page for the full breakdown.
What sellers ask about the MLS and flat fee listing.
One flat fee. The same MLS exposure full-service agents use. Zillow, Realtor.com, Redfin, and every buyer agent in your market.
See pricing and coverage for your state.
