Three multiple listing services in California, Nevada and Oregon have put a name and a working product on a cross-border data project they have been building together. On Sept. 23 they announced the Orion Real Estate Data Exchange, a shared repository that lets subscribers of each service search the others’ listings without joining them.
The participants are MetroList, which covers Central and Northern California; Northern Nevada Regional MLS; and Oregon Data Share, a wholesale cooperative serving Southern and Central Oregon and the Klamath Basin. The announcement, issued from Sacramento, describes Orion as the next phase of a multi-state initiative the three have been building together rather than a new organization replacing any of them.
What it does now, and what it is meant to do later
In its first phase, Orion gives members of the three services access to listings across all participating markets through a professional user environment powered by Rapattoni, the MLS software vendor. The exchange functions as a shared data repository that each MLS can draw on. A later phase, according to the release, is intended to feed that data directly into each organization’s own primary MLS system β the difference between looking up an out-of-state listing in a separate tool and having it appear in the system an agent already works in all day.
“We’re starting with practical access today while building the infrastructure for a much deeper level of data sharing tomorrow,” said George Pickard, chief executive of Northern Nevada Regional MLS.
Dave Howe, MetroList’s president and chief executive, framed it in competitive terms: “Orion breaks down MLS data barriers and promotes collaboration among our organizations in different states, creating new opportunities for real estate professionals.”
Tina Grimes, chief executive of Southern Oregon MLS, and Casie Conlon, chief executive of Cascades East MLS, who represent Oregon Data Share, said in a joint statement that “naming the initiative Orion Real Estate Data Exchange reflects our mutual vision for a borderless, data-informed real estate ecosystem.”
The migration argument
The case the three organizations make for linking their databases is a movement of people rather than a movement of data. Citing U.S. Census Bureau figures, the release says roughly 129,000 people moved between California, Nevada and Oregon in 2024, with nearly 85,000 of them leaving California for one of the other two states.
That flow is what makes the boundaries awkward for practitioners. An agent in Sacramento working with a client relocating to Reno has historically had to find a cooperating agent or a separate subscription to see what is for sale; the same is true in reverse for a Central or Southern Oregon agent whose buyer is coming from the Bay Area. Orion’s stated purpose is to remove that step for the listing-search portion of the job.
The scale is uneven. MetroList, which has operated for more than four decades, covers nearly 20,000 square miles through 12 regional administrative centers and describes itself as California’s largest MLS. Northern Nevada Regional MLS serves approximately 4,000 brokers, agents and appraisers across seven Nevada counties, including Reno, Sparks and the eastern communities around Lake Tahoe. Oregon Data Share has about 4,000 subscribers.
Where it fits
MLS data access has been one of the industry’s most contested subjects for the past two years, mostly in the form of fights over who may use listing data and on what terms β Zillow’s licensing negotiations over artificial intelligence guardrails, litigation over pre-marketing rules such as the Northwest MLS settlement with Compass, and brokerages building private inventory of their own.
Orion is a quieter category of project: MLSs cooperating with each other to widen the pool their own subscribers can see, in the same vein as the technology upgrades larger services have been making to the tools agents open first, including the workspace rebuild at the nation’s largest MLS. It does not change listing rules, commission practices or who owns the data; each MLS keeps its own system, its own membership and its own governance.
What the three organizations have not said is how far the model is meant to extend β whether Orion is intended to remain a three-state arrangement or to serve as a template other regional MLSs can plug into. For now the exchange covers a corridor defined by a single well-documented migration pattern, and the deeper integration its executives describe remains a stated plan rather than a shipped product.
