RESO Universal Property Identifier (UPI)
Property data is inconsistent when it relies upon addresses and standalone parcel numbers for identification. The RESO Universal Property Identifier (UPI) was created to simply and consistently record facts about a property against a unique identifier.
The UPI is a straightforward standard that can be built into property records. It organizes standard components into a model that can be supported by any organization: codes for country, county and subcounty (if applicable), parcel numbers, and property types.
Some of the industry’s largest MLS software and public records companies distribute the UPI in their property records API services. With the UPI in property records at the source point for new listings, downstream data consumers can accurately identify properties and attach additional information to these records consistently. | DETAILED UPI SYSTEM SPECIFICATION
The RESO UPI Workgroup
The RESO UPI Workgroup brings subject matter experts in real estate listing and public records data together to support and improve the model over time. Adoption of the standard by large public-facing real estate technology companies and B2B data providers has made the UPI a critical starting point for attaching robust real estate data to property records with these unique identifiers. | LEARN MORE ABOUT THE UPI WORKGROUP
RESO used to have a simple UPI Builder tool to help understand how a UPI is created from a parcel number. It was for sample purposes only. A true UPI implementation would involve thousands, if not millions of records. In practice, most technology companies would build the UPIs into their property records through an automated means based on something like the model below. Additional data, such as geocoding or public records, could be added to this property data with the UPI as the defining linkage.
RESO’s goal is a model that identifies greater than 90% of properties across the United States, with extensibility that allows the model to be viable internationally.
When public records information is sufficient to uniquely identify properties, services can be implemented to search for properties via the UPI.
This service would be hostable by any technology company with sufficiently available public data, address data and other filtering ability.
Since the ID itself is based on public records, any data steward should be able to provide the same ID for the same property. | UPI SYSTEM SPECIFICATION
The RESO UPI is the product of a synergetic effort from industry professionals who offered their time, vision and expertise towards the formation of this project. We are thankful for the contributions of Mark Bessett, Matt Casey, Jeremy Crawford, Tim Kramer, Jay Lee, Jon Mabe and L.D. Salmanson.
Real Estate Standards Organization
End User License Agreement
This End User License Agreement (the "EULA") is entered into by and between the Real Estate Standards Organization ("RESO") and the person or entity ("End User") that is downloading or otherwise obtaining the product associated with this EULA ("RESO Product"). This EULA governs End Users use of the RESO Product and End User agrees to the terms of this EULA by downloading or otherwise obtaining or using the RESO Product.
- RESO's mission is to develop and publish data standards, and software to certify compliance with those standards, for the real estate information industry that facilitate software innovation, ensure portability, eliminate redundancies, and obtain maximum efficiencies for all parties in a real estate data transaction.
- This EULA has been created and adopted by RESO so End Users understand their rights regarding use of RESO Products.
- Definitions: For purposes of this EULA, the following terms shall have the meanings set forth below.
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END USER OBLIGATIONS
- No claims. End User agrees that it will not bring any infringement claims based on RESO Product against Members or other End Users for any Intellectual Property End User claims to own that may be included in the RESO Product.
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Contact for notices and operations matters:Name: Sam DeBord
PO Box 10824
Raleigh, NC 27605
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Name: Mitch Skinner
Address: Larson Skinner PLLC
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