Real Estate Standards Organization
Streamlining Technology Through Global Collaboration What We DoGet Started – Visit Our Knowledge Base
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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WORKING WITH REAL ESTATE DATA COURSES
Discover how data flows through real estate technology and earn your RED-B (Business), RED-CA (Canada) or RED-T (Technology) designation(s) with the only industry education course series of its kind.
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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
Update on RESO and CMLS Discussions
After nearly a year of thoughtful exploration, RESO and CMLS have concluded discussions and made the shared decision not to move forward with forming a new combined organization. This decision reflects a disciplined evaluation of how best to serve our...
RESO Analytics Offers New Easy-to-Access Insights in Update
The latest RESO Analytics update (v4.0.0) provides an upgrade across multiple aspects of RESO’s certification and analytics offerings. User guides and help screens add insights. Tool tips provide quick guidance to site functions. Six new virtual tours offer more...
5 Reasons to Attend the RESO 2026 Spring Conference in San Antonio
Registration is open for the RESO Spring Conference in San Antonio, Texas, April 20–22, at the JW Marriott San Antonio Hill Country Resort and Spa. Prices increase February 28. [maxbutton name="Hotel Reservation Spring...
RESO Accomplishments and Goals
RESO closed 2025 as a stronger, more capable and more globally relevant organization, marked by measurable financial growth and meaningful progress across standards, education and international collaboration. The Books RESO continued a seven-year trend line of annual...
2026 RESO Board of Directors Announced
Raleigh, NC, December 11, 2025. Nine open seats on the Real Estate Standards Organization (RESO) 2026 Board of Directors have been filled after an election by RESO’s membership. Director appointments and the board’s Executive Committee have also been selected for the...
RESO’s RED-T Technical Course Arrives January 7
Working with Real Estate Data – Technical (RED-T) Course In today's results-driven world, data serves as the building blocks for informed decision-making. The real estate industry is currently undergoing one of its many industry-shifting transformations, and RESO is...
