Real Estate Standards Organization
Streamlining Technology Through Global Collaboration What We DoGet Started – Visit Our Knowledge BaseDATA DICTIONARY
Utilize the real estate industry’s universal language for data.
READ MORE ABOUT THE DATA DICTIONARY
RESO WEB API
Delve into the modern way to accurately and effectively share real estate data.
READ MORE ABOUT THE RESO WEB API
RESO UNIQUE IDENTIFIERS
Explore the sources of truth for data about people, properties and organizations.
READ MORE ABOUT RESO UNIQUE IDENTIFIERS
WORKING WITH REAL ESTATE DATA COURSES
Discover how data flows through real estate technology and earn your RED-B designation with the only industry education course of its kind.
LEARN MORE AND REGISTER TODAY
DATA INSIGHTS
Access deep data reporting that aligns and empowers real estate technology.
READ MORE ABOUT RESO ANALYTICS
INDUSTRY SUPPORT
See how real estate’s leaders feel about their involvement with RESO.
CERTIFICATION
Ensure compliance with standards that accelerate innovation and enhance interoperability.
FIND OUT MORE ABOUT RESO CERTIFICATION
CERTIFICATION MAP
View certified data sets from technology companies and MLSs.
CHECK OUT THE INTERACTIVE MAP
RESO BLOG
RESO Ramps Up Global Initiatives
RESO was built for growth. That’s why, as U.S. Multiple Listing Service (MLS) certification reached near ubiquity, the RESO Board made global expansion a top priority in 2024. In 2025, RESO’s international presence continues to expand through mission and invitation. A...
A Global Array of Speakers Announced for 3rd International MLS Forum
The third annual International MLS Forum will be held at the Westin Harbour Castle in Toronto, September 25–26, bringing global real estate leaders together to shape the future of property data worldwide. Speakers from leading global organizations are lining up,...
RESO Summer Camp: Explore RESO’s Courses, Data Dictionary and Analytics/Alignment Reports
Registration is open for RESO Summer Camp! This year's real estate data survival skills include sessions on RESO’s Working with Real Estate Data (RED) courses, RESO Analytics & Alignment Reports (RA&AR) and Data Dictionary (DD). Register for: RED | RA&AR |...
6 Solid Reasons to Attend the 2025 International MLS Forum
At the International MLS Forum in Toronto, global real estate leaders will come together to shape the future of property data worldwide. Whether you are a leader in the technology industry, association management, MLS, brokerage, law or government, you will not want...
RESO Roundtables: RENEW Provides Opportunities to Grow
RESO Roundtables – informal, hourlong, small-group conversations – have been a regular feature during RESO spring and fall conferences for many years. Roundtables are rarely held around tables anymore, let alone round tables, but the term is meant to convey the spirit...
120,000 Active Paris MLS Listings Certified as Part of RESO Global Vision
An important exploration of RESO’s global growth was published this week by Real Estate News. Its headline touted the first European MLS to be certified on RESO standards. In reiterating that story, let’s dive deeper into the international growth of RESO’s effects on...
