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Universal Property Identifier (UPI) Workgroup

The Universal Property Identifier (UPI) Workgroup develops a model to apply a distinct identifier to any real property, allowing consumers of property records to more accurately store, track and utilize real estate data. The group leverages existing models from public records and other data standards organizations to build an efficient standard for the real estate industry.

The benefits of a UPI include easier parcel identification across market boundaries, the unification of public records from multiple sources in one display and faster updates to physical property characteristics records.


UPI Repository

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, a service 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 UPI Workgroup meets on the 4th Wednesday of every month at 3:00 pm ET / 12:00 pm PT. | JOIN A RESO WORKGROUP


Mark Bessett

UPI Workgroup Chair – Mark Bessett, SmartCode FX, LLC
Mark has more than 20 years of experience in real estate technology. In addition to a successful C-suite career in the MLS space, he has held senior positions at Microsoft, Lockheed Martin and Honeywell. Mark is a tech-centric but business savvy engineer-leader who loves building as well as ideation.

Matt Casey

UPI Workgroup Vice-Chair – Matt Casey, President & CEO, CRS Data
Matt has garnered extensive technical and management experience in the property records space, including involvement in data acquisition, data analysis, and the delivery of data and mapping solutions. At CRS Data, he is part of an expert team that designs and delivers reliable property data services. Matt collaborates closely with MLSs of all sizes to bring value to their membership through thoughtful, customizable data products and services.


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