Real Estate Standards Organization
Streamlining Technology Through Global Collaboration What We DoGet Started – Visit Our Knowledge BaseJoin Us This Fall in Colorado Springs!
Members $900 | Nonmembers $1,200
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
Fannie, Freddie and RESO: Fuller Listings, Faster Closings and Broker Benefits
At RESO’s Fall Conference, October 19–21, in Colorado Springs, Colorado: Fannie Mae and Freddie Mac will explore how better listing data can strengthen appraisals, lending confidence, on-time closings and the mortgage market. Craig Cheatham of The Realty Alliance will...
From the Desk of the CTO: 10 Tech Topics to Engage in at the RESO Fall Conference
The pace of work in RESO’s workgroups and in its internal technology development continues to accelerate. Here’s what the crowd in Colorado Springs will be buzzing about: Machine-Readable Usage Rights. A framework for hierarchical AI governance and machine-readable...
First Look at New Faces Speaking at RESO
We are less than a month away from the 2026 RESO Fall Conference, October 19–21, in Colorado Springs at the new Hotel Polaris. RESO conferences attract forward-thinking organizations, and this year we’re bringing fresh voices with sharp perspectives on solving...
International Expansion Is Driving RESO’s Growth
RESO’s influence continues to expand domestically and internationally. Members from four new countries outside of North America have joined so far in 2026. There are now 43 countries involved with RESO, and that number stands to increase after the next International...
6 Compelling Reasons to Do Business in Istanbul at the International MLS Forum
The 4th International MLS Forum is heading to Istanbul, Türkiye, on November 16–17, 2026. If you are a decision-maker in real estate technology, association leadership or brokerage management, this is a must-attend conference for you. Here are six reasons to join us...
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,...
