Real Estate Standards Organization
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DATA DICTIONARY
Utilize the real estate industry’s universal language for data.
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RESO WEB API
Delve into the modern way to accurately and effectively share real estate data.
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RESO UNIQUE IDENTIFIERS
Explore the sources of truth for data about people, properties and organizations.
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MASTER INDUSTRY STANDARDS THROUGH REAL ESTATE DATA (RED) COURSES
Hands on courses that help you work smarter: join the growing number of professionals earning RED designations.
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DATA INSIGHTS
Access deep data reporting that aligns and empowers real estate technology.
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INDUSTRY SUPPORT
In 2020, real estate industry leaders came together to champion the great work of RESO and to rally the industry to grow its support and to bring greater efficiency to all stakeholders in real estate transactions through standards.
CERTIFICATION
Ensure compliance with standards that accelerate innovation and enhance interoperability.
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CERTIFICATION MAP
View certified data sets from technology companies and MLSs.
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RESO BLOG
International MLS Forum Heads to Istanbul as FIABCI Joins the Global Data Exchange
We are pleased to announce that the 4th International MLS Forum (IMLSF) will take place in Istanbul, Türkiye, on November 16–17, 2026. As an industry increasingly defined by borderless connectivity, Istanbul serves as the perfect backdrop. Connecting continents,...
Achieve Liftoff at the RESO 2026 Fall Conference
If you work in real estate, you work in real estate technology. Attending the RESO 2026 Fall Conference at Hotel Polaris on the doorstep of the Air Force Academy is the perfect way to keep your organization flying ahead in the industry. Here are five itinerary...
Join RESO at Blueprint at a $300 Discount: September 22–24, 2026
Blueprint returns to Las Vegas, September 22–24, and RESO is once again partnering with the premier event that is shaping the future of the built world to offer RESO members a $300 discount on registration at BlueprintVegas.com/RESO. With 3,500+ attendees, 300+...
Sign Up for the RESO Summer Camp Webinar Series
Four new RESO summer webinars are here. Whether you are new to the industry or a seasoned veteran, there is a session for you. Share this information with colleagues, or better yet, sign up your whole team! Introduction to the RESO Data Dictionary Are you new to the...
Build the Standards That Power Your Tech: Join RESO Workgroups
RESO workgroups offer not just a front-row seat to the evolution of real estate technology but a hand on the steering wheel. These volunteer-driven groups direct every major standards advancement in our industry. They turn ideas into specifications, pain points into...
A New Era for the RESO Data Dictionary
RESO’s Data Dictionary has a new home – and it’s a big step forward for anyone who works with real estate data standards. We have officially cut over from the long-running Data Dictionary Wiki to our new, streamlined platform at dd.reso.org. And with that move, we’re...
