Top Multiple Listing Services (MLS) in the United States

04/22/2025

Industry Insights

Multiple Listing Services (MLSs) are the backbone of real estate listings in the U.S., providing centralized databases where brokers and agents share properties for sale or lease. As of 2025, there are over 500 MLS organizations across the country, ranging from large regional systems with tens of thousands of members to small local MLSs with only a few hundred users. This comprehensive guide highlights the leading MLS platforms, starting with specialized commercial real estate MLSs, followed by major residential MLS networks, and finally international MLS platforms that feature U.S. listings. Whether you’re dealing in commercial investments, residential homes, or luxury international properties, understanding the top MLS options and how to leverage them can significantly boost your listing exposure and success.

Leading Commercial Real Estate MLS Platforms

CREXi – Primary Regions: Nationwide (U.S.); Usage: ~2 million monthly users and 500,000+ active listings; Property Types: All commercial and investment properties (for sale and lease); Website: Crexi.com
Catylist / Commercial Exchange – Primary Regions: United States (national platform aggregating 50+ local commercial MLS/CIE systems); Membership: Tens of thousands of commercial brokers via local Realtor associations (member listings are shared to a national public portal); Property Types: Commercial (office, industrial, retail, land, etc.); Website: CommercialExchange.com
CIMLS (Commercial Investment MLS) – Primary Regions: Nationwide (U.S.); Membership: 370,000+ registered members (open platform for commercial brokers and investors) with hundreds of billions in property listings; Property Types: All commercial sectors; Website: CIMLS.com
Brevitas – Primary Regions: Global (U.S. and international marketplace); Membership: 45,000+ commercial real estate professionals worldwide; Property Types: Commercial investment properties and International Investment properties; Website: Brevitas.com
TotalCommercial.com – Primary Regions: U.S. (notably the Southeast and select regions); Membership: Independent commercial listing service used by thousands of brokers; Property Types: General commercial (office, retail, land, etc.); Website: TotalCommercial.com

Major Residential MLS Networks in the U.S.

California Regional MLS (CRMLS) – Region: California (statewide coverage); Subscribers: ~110,000+ (the largest MLS in the nation); Property Types: Primarily residential (sales & rentals) with some commercial and land listings; Website: crmls.org
Bright MLS – Region: Mid-Atlantic (covers DC, MD, VA, PA, DE, NJ, WV); Subscribers: ~100,000; Property Types: Residential (sales and rentals) and limited commercial listings; Website: brightmls.com
Stellar MLS – Region: Florida (central and southwest Florida, plus Puerto Rico); Subscribers: ~75,000; Property Types: Residential (including single-family, condos, rentals) and some commercial/land; Website: stellarmls.com
MIAMI MLS (Southeast Florida) – Region: South Florida (Miami-Dade, Broward, Palm Beach via SEFMLS and BeachesMLS collaboration); Subscribers: ~60,000; Property Types: Residential (including luxury homes, condos) and commercial listings in the greater Miami region; Website: MiamiRealtors.com (MLS portal)
First MLS (FMLS) – Region: Georgia (Atlanta metro and statewide partners); Subscribers: ~57,000; Property Types: Residential (single-family, condo, rental) and commercial; Website: fmls.com
Georgia MLS (GAMLS) – Region: Georgia (statewide coverage); Subscribers: ~52,500; Property Types: Residential (homes, land, etc.) with some commercial; Website: gamls.com
Midwest Real Estate Data (MRED) – Region: Illinois (Chicagoland area, plus parts of WI and IN); Subscribers: ~47,000; Property Types: Residential (with some multi-family and land listings); Website: mredllc.com
OneKey MLS – Region: New York (serving Long Island, NYC boroughs, and the Hudson Valley); Subscribers: ~45,000; Property Types: Residential (co-ops, condos, single-family, etc.) and some commercial/multi-family; Website: onekeymls.com
MLS Property Information Network (MLS PIN) – Region: New England (primarily Massachusetts and adjacent areas); Subscribers: ~44,000; Property Types: Residential (sales and rentals) and land listings; Website: mlspin.com
Houston Association of REALTORS® MLS (HAR MLS) – Region: Houston, Texas metro area; Subscribers: ~45,000 (HAR members, one of the largest local Realtor groups); Property Types: Residential (homes, rentals) and some commercial listings in the Houston region; Website: HAR.com (consumer site & MLS portal)
Northwest MLS (NWMLS) – Region: Washington State (Seattle and Puget Sound area); Subscribers: ~33,000; Property Types: Residential (including condos, new construction) and some commercial/investment properties; Website: nwmls.com
Arizona Regional MLS (ARMLS) – Region: Arizona (Phoenix metro and surrounding areas); Subscribers: ~40,000; Property Types: Residential (sales and rentals), with land and some commercial listings; Website: armls.com
BeachesMLS (SE Florida) – Region: Southeast Florida (Palm Beach, Broward, Treasure Coast areas); Subscribers: ~43,000; Property Types: Residential (including beachfront homes, condos) and some commercial; Website: rworld.com (BeachesMLS portal)
REColorado – Region: Colorado (Denver metro and parts of Colorado); Subscribers: ~27,000; Property Types: Residential (homes, condos, rentals) and some land/commercial; Website: recolorado.com
Canopy MLS – Region: Carolinas (Charlotte, NC region and upstate SC); Subscribers: ~23,000; Property Types: Residential (with some land and commercial options); Website: canopymls.com
Note: In total, hundreds of regional and local MLSs operate across the U.S. in every state. Many mid-sized MLSs serve specific metropolitan areas or states — for example, SmartMLS in Connecticut (~21,000+ members), Garden State MLS in New Jersey (~26,000+), MLS Now in Ohio (formerly NORMLS, covering 30,000+ in multiple Ohio regions), HI Central MLS in Hawaii (Honolulu, ~16,000), and many more. The MLS landscape is gradually consolidating, as larger regional MLSs absorb smaller ones to provide broader coverage and more unified data for agents.

Specialized & International MLS Platforms

The International MLS (IMLS) – Coverage: Global (100+ countries, including U.S. listings); Membership: 400,000+ agents and brokers (with property listings in 100+ countries and 90+ language translations available); Property Types: Residential and commercial listings worldwide, including new developments and luxury properties; Website: TheIMLS.com
Proxio / Collabra International MLS Network – Coverage: Global (a network connecting agents and MLSs in 120+ countries); Membership: ~750,000 agents and brokers internationally (via partnerships with brokerages and Realtor associations); Property Types: Residential and commercial (ProxioPro allows agents to share listings and referrals globally, in multiple languages); Website: proxio.com (Collabra)
My State MLS – Coverage: United States (nationwide MLS open to any licensed agent, covering all 50 states and territories); Membership: ~39,000 (combined with NY State MLS; a statewide/nationwide alternative MLS); Property Types: All types – residential, commercial, land, manufactured housing, luxury – listed anywhere in the country from a single platform; Website: mystatemls.com
ListGlobally – Coverage: International syndication network (not a traditional MLS, but a platform distributing listings to 100+ property search portals across 60+ countries); Integration: Used by MLSs like My State MLS and others to syndicate U.S. listings globally; Property Types: Residential, luxury, and commercial (as fed by partner MLS feeds, reaching overseas buyers in their local real estate websites); Website: listglobally.com
Luxury Portfolio International / Who’s Who in Luxury Real Estate – Coverage: Global (luxury real estate network of high-end brokerages in over 30 countries); Membership: 240+ luxury brokerage firms (by invitation, part of LeadingRE and LuxuryRealEstate.com networks); Property Types: Luxury residential properties and estates; Website: luxuryportfolio.com and LuxuryRealEstate.com (global luxury property MLS-style portal)
WorldProperties (International Realty Portal) – Coverage: Global (international property search portal facilitated by the International Consortium of Real Estate Associations); Membership: Participating national associations (including NAR for U.S.) share listings; Property Types: Residential and commercial listings from multiple countries (including U.S. MLS-fed listings for international exposure); Website: worldproperties.com

How to Evaluate and Choose the Right MLS

Coverage Area: Select an MLS that covers the geographic areas where you do business. If a single MLS doesn’t span all your markets, you may need to join multiple MLSs or a broader regional MLS. For example, an agent covering multi-state regions might opt for a statewide or national MLS (like My State MLS) in addition to local MLS memberships. Ensure the MLS’s coverage aligns with your target neighborhoods or property types.
Property Type Focus: Consider what property types the MLS supports. Most local MLSs specialize in residential listings (homes, condos, rentals). If you deal with commercial real estate, check if your MLS has a commercial section or if there’s a separate commercial MLS/CIE you should join (many commercial brokers use dedicated systems like Catylist in addition to the residential MLS). Likewise, luxury or international specialists should ensure their MLS provides appropriate exposure or look into specialty networks for those properties.
Membership Size & Activity: The size of the MLS and its member activity can impact your reach. Large MLSs (tens of thousands of members) typically mean a bigger pool of agents who can see and share your listings, and more listings for you to search. A large subscriber base can indicate robust market coverage. However, also consider the local relevance – a smaller MLS focused on your city might be more valuable than a huge MLS where most listings are outside your area. Evaluate how active and cooperative the membership is in your market segment.
Technology and Tools: Research the MLS platform’s technology. Modern MLS systems offer advanced search filters, map-based searching, automated alerts for clients, comparative market analysis (CMA) tools, integration with contract forms, mobile apps, and more. Some MLSs provide extra benefits like public-facing listing websites, lockbox services, showing scheduling tools, and integration with CRM or marketing systems. An MLS with up-to-date technology can save you time and help you better serve clients (for instance, easy client portal access, auto-emails for new listings, etc.).
Syndication & Data Sharing: Examine how the MLS syndicates listings to popular real estate portals and whether it has data-sharing agreements. Most MLSs send listings to sites like Realtor.com; many also syndicate to Zillow, Trulia, Homes.com, and others (sometimes as optional broker choices). Additionally, some MLSs have reciprocal access or data shares with neighboring MLSs, which can extend the reach of your listings to adjacent markets. If maximizing exposure is important, choose an MLS known for broad syndication and partnerships (for example, some MLSs share data through networks like Realtor Association agreements or via platforms like ListHub or ListGlobally for international reach).
Costs and Requirements: Understand the costs of joining and maintaining membership. Typically, Realtors® join an MLS through their local Association of REALTORS®, paying annual association dues plus MLS subscription fees. Some MLSs allow direct membership for non-Realtor licensees for a fee. Compare the fee structure and required commitments. If your brokerage belongs to a certain MLS, you might be obligated to join it. Weigh the cost against the value – e.g., a more expensive MLS might offer far more leads/data. Also, ensure you comply with any membership rules (like mandatory training or ethical standards) when choosing that MLS.
Support and Training: Evaluate the level of support the MLS provides. Top MLSs offer training classes, webinars, and a responsive help desk to assist with using the system’s features. They may also have committees or forums for members to voice needs. A well-supported MLS will help you stay updated on rule changes (like emerging Clear Cooperation policies or coming-soon listing rules) and make the most of the tools available. If you’re newer to real estate, an MLS with robust training and onboarding can be particularly valuable.
MLS Policies and Culture: Each MLS has its own rules (on listings, commissions, cooperation, etc.) and a culture of how agents cooperate. Before committing, you might inquire about policies like coming-soon listings, off-market/office exclusives, or whether the MLS has any unique fields (for example, a field for “listing concessions” that might give you more data). Additionally, some regions have multiple overlapping MLS options – talk to colleagues about which MLS clients and brokers prefer, as you may want to be where the majority of your market’s agents are active to ensure maximum cooperation.
Niche or Special Access Needs: If you work in a niche (e.g., land sales, business brokerage, international sales), find out if the MLS caters to those niches with specific fields or if there’s a specialized MLS you should join. For instance, land and farm specialists might join the Realtors® Land Institute’s Land MLS, and international agents might leverage The IMLS or other global networks. Choosing an MLS that aligns with your specialty can provide you with better marketing tools and a more relevant audience for your listings.

MLS Integration with Brevitas: Boosting Visibility & Lead Generation

Brevitas is a modern commercial real estate marketplace that complements traditional MLS exposure by connecting listings with a global investor audience. If you’re a commercial agent or broker, integrating your MLS listings with Brevitas can greatly amplify your reach and lead generation. Brevitas has partnered with numerous MLSs and associations to allow seamless syndication of commercial listings. Here’s how this integration benefits you:

Expanded Audience Beyond the MLS: When your MLS is integrated with Brevitas, any commercial listing you input can be automatically syndicated to the Brevitas platform. This means your property is not just visible to local MLS members, but also to thousands of Brevitas users worldwide. For example, a retail center listed on a local MLS in Georgia can gain exposure to an investor in California or even overseas via Brevitas. This wider audience increases the chances of finding interested buyers or tenants, especially for unique or high-value properties that attract national/international interest.

Seamless Syndication & Time Savings: MLS integration with Brevitas removes the need for double entry of listings. Agents don’t have to manually re-create the listing on multiple platforms – the data (photos, property details, price, etc.) flows directly from the MLS to Brevitas. Any updates made in the MLS (price changes, status updates, new photos) will sync to Brevitas, ensuring consistency. This automation saves time and reduces errors, allowing you to focus on client interactions and negotiations rather than repetitive data management.

Boosted Listing Visibility and SEO: Brevitas acts as an additional marketing channel for your MLS listings. Listings on Brevitas are indexed on a popular, highly trafficked site, which can improve online visibility. In addition, Brevitas often has strong SEO presence for commercial property searches; by having your property on Brevitas (in addition to the MLS), you increase the likelihood of appearing in search results when buyers search for properties like yours. This dual presence (MLS plus Brevitas) means more eyeballs on your listing.

Lead Generation Tools: Brevitas provides integrated lead capture and marketing features that complement the MLS exposure. For instance, Brevitas offers custom property landing pages you can share, email campaigns to a targeted list of investors, and analytics showing how many people viewed or inquired about your listing. When your MLS listing is on Brevitas, you can leverage these tools to engage potential buyers. Every inquiry that comes through Brevitas is a new lead that might not have found you through the MLS alone. The platform’s focus on investment properties means the leads are often qualified investors actively looking for deals.

Partnerships and Credibility: Brevitas is an official partner with organizations like the National Association of REALTORS® (as a commercial listing platform) and works with MLSs such as the Miami Association of Realtors, NY State MLS, Bright MLS, and others for commercial syndication. This partnership ecosystem means that when your listing is on Brevitas, it’s benefiting from a network effect — Realtors® across different regions can discover it, and it lends credibility to your listing through association branding. In practical terms, integration can often be as simple as checking a syndication box in your MLS listing input (for participating MLSs) to have it fed to Brevitas.

Faster Deals and More Exposure: Ultimately, more exposure can lead to faster deals. An MLS integrated with Brevitas ensures that your commercial listings gain maximum exposure with minimal extra effort. By tapping into Brevitas’s audience (which includes domestic and international investors, and even users of partner platforms that Brevitas syndicates with), you increase the likelihood of receiving multiple offers or inquiries. Many agents find that difficult-to-sell properties gain new life when exposed to a broader pool of prospects. Brevitas’s integration can be a game-changer for lead generation, especially for properties that benefit from out-of-area buyers (such as specialized assets or investment portfolios).

In conclusion, the U.S. real estate market relies on a vast network of MLSs to power cooperation among agents. Knowing which MLSs are most prominent for your area of practice — and how to choose the right one — is crucial for success. By also leveraging MLS integrations with platforms like Brevitas, you can transcend the limitations of any single MLS and tap into a global marketplace. This comprehensive approach ensures your listings achieve maximum visibility, and it provides you with a competitive edge in generating leads and closing transactions in today’s interconnected real estate environment.