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Real Estate Standards Organization

Streamlining Technology Through Global Collaboration
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DATA DICTIONARY

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Utilize the real estate industry’s universal language for data.
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RESO Web API

RESO Web API

Delve into the modern way to accurately and effectively share real estate data.
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RESO UNIQUE IDENTIFIERS

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Explore the sources of truth for data about people, properties and organizations.
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RESO’s Working With Real Estate Data Course Business Module (RED-B)

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Discover how data flows through real estate technology and earn your RED-B designation with the only industry education course of its kind.
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INDUSTRY SUPPORT

See how real estate’s leaders feel about their involvement with RESO.

STRONG PARTNERS

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CERTIFICATION

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Ensure compliance with standards that accelerate innovation and enhance interoperability.
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CERTIFICATION MAP

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View certified data sets from technology companies and MLSs.
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JOIN RESO

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Save time and money with RESO standards.
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RESO BLOG

AI Highlights from the RESO 2024 Spring Conference 

Artificial intelligence (AI) is likely to change how real estate and every other function in society is going to operate. The question is not “if” but “when,” and the answer, whether or not you are ready for it, is “right now.” As new AI tools and use cases enter the...

Brokers Want Access to Better Data, Less Duplication

Broker Advisory Spotlight Focuses on Broker-Specific Data Issues RESO has a major positive operational impact on Multiple Listing Services (MLSs) and the technology providers that create products for them. Since standards benefit everyone downstream of MLSs, including...

What is a Multiple Listing Service and How Many MLSs Are There?

Frequently Asked Questions About MLSs Multiple Listing Services (MLS) in the real estate industry are multi-broker organizations that increase access to housing opportunities and drive exposure for property listings. They ensure cooperation between brokers for buyers...

RESO 2024 Spring Conference Recap

By all accounts, the members, workgroup chairs, board and speakers all continue to make RESO conferences the talk of the real estate industry throughout the year by way of ongoing standards advancement and approval. From surprise appearances of RESO-specific clothing...

Announcing the 2024 RESO Award Winners

The Real Estate Standards Organization (RESO) is happy to present its latest RESO Contributor Award and Leading Edge Award winners. This year’s winners were announced at the RESO 2024 Spring Conference in Birmingham, Alabama. RESO Contributor Awards are given for...

RESO Data Dictionary Concessions Fields: Guidance

Negotiations are taking place in the real estate industry that could change the financial agreements made between real estate brokers and their clients. These potential changes could also alter the way transaction data is collected and reported within the technology...

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