NBA owners authorize formal expansion study for Seattle and Las Vegas, targeting 2028 debut

Eighteen years after the Seattle SuperSonics played their final game and left for Oklahoma City—and as Las Vegas continues its transformation from gambling outpost to big-league hub—NBA team owners have taken their clearest step yet toward making both cities home to new franchises.

Owners open a formal expansion process

Meeting this week in New York, the NBA’s Board of Governors voted to authorize Commissioner Adam Silver and league officials to begin a formal process to explore expansion in Seattle and Las Vegas. The move does not create new teams, set expansion fees, or finalize a start date, but it narrows the league’s focus to two markets and opens the door to what could become the NBA’s first expansion since 2004.

“Today’s vote reflects our Board’s interest in exploring potential expansion to Las Vegas and Seattle—two markets with a long history of support for NBA basketball,” Silver said in a statement released after the meeting.

League and team executives said the working target, if expansion is ultimately approved, is for new clubs to begin play in the 2028–29 season. A second, binding vote by the owners would be required—likely in late 2026—to formally award franchises.

Why the timing is changing now

The decision caps years of public hints and private modeling by the league office and its financial advisers as the NBA waited for two key pieces to fall into place: a new collective bargaining agreement with the players and a new national media-rights package. With those long-term deals now largely set, owners have turned to a question they have pushed off for more than a decade: whether to sell two new shares of the league.

People familiar with the discussions have said league officials expect bids for new teams to reach at least $7 billion per franchise and possibly as high as $10 billion, reflecting a surge in team valuations across major U.S. sports.

At those levels, two new franchises could generate $14 billion to $20 billion in one-time expansion fees—money that would not be shared with players as basketball-related income. Split among the 30 existing ownership groups, that would amount to roughly $460 million to $650 million per club.

The windfall comes with a trade-off. Silver has repeatedly described expansion as “selling equity that dilutes current owners,” noting that each new team reduces every existing owner’s percentage of future shared revenue. But recent transactions—including a reported $6.1 billion sale of the Boston Celtics and a deal valuing the Los Angeles Lakers at $10 billion—have reset expectations for what an NBA franchise is worth and bolstered the case that the trade-off is worthwhile.

“We’ve been very focused on getting our economic house in order, completing a long-term CBA with the players and new media deals,” Silver said late last year, when he forecast a decision on expansion in 2026. “Once that was done, it made sense to take a serious look at what expansion would mean for the league, for our partners and for the game.”

Seattle’s case: history, arena readiness, and a path back

For Seattle, the Board of Governors’ vote represents the most significant development since the SuperSonics played their final game in April 2008, ending a 41-year run that included an NBA championship in 1979 and a Finals appearance in 1996. The franchise relocated to Oklahoma City after a long-running fight over public financing for a new arena, leaving lingering resentment toward both local officials and former owner Clay Bennett.

In the years since, Seattle has steadily rebuilt its case. The city now hosts teams from nearly every major domestic league, including the NFL’s Seahawks, MLB’s Mariners, the MLS Sounders, the NWSL Reign, the WNBA’s Storm, and the NHL’s Kraken.

The centerpiece of its NBA pitch is Climate Pledge Arena, a modern, mostly privately financed renovation of the old KeyArena that opened in 2021. The building was designed from the outset to be NBA-ready, with a capacity and back-of-house infrastructure that meet league standards. It already hosts the Kraken and the Storm.

Days before the owners’ meeting, Kraken owner Samantha Holloway reorganized the hockey club and related assets under a new umbrella, One Roof Sports and Entertainment, and acquired a controlling interest in the arena’s operations. Sports-business analysts say the consolidation effectively places the team, building, and associated projects under one ownership group—an arrangement well suited to an NBA bid.

On the political side, Washington Gov. Bob Ferguson has met with Silver to emphasize the state’s support for bringing the NBA back to Seattle. Local officials have also pointed to the absence of major new construction subsidies in the Climate Pledge Arena deal as evidence that the city can accommodate the league without repeating the contentious fights of the 2000s.

Seattle also retains the legal rights to the “SuperSonics” name, logos, and colors under a 2008 settlement between the city and the then-Sonics ownership group. While the NBA has not committed publicly to a branding plan, fans and many former players have assumed any new Seattle franchise would revive the Sonics name. The league’s handling of the Charlotte Hornets’ history after that franchise’s renaming in 2014 offers a precedent for how records and banners could be reassigned.

Las Vegas’s case: momentum, infrastructure—and betting scrutiny

If Seattle’s case is rooted in history and civic repair, Las Vegas’s argument is about momentum and market potential.

A decade ago, the city had no franchises from the NFL, NBA, NHL, or MLB. Since 2017, it has added the NHL’s Vegas Golden Knights, who won the Stanley Cup in 2023, the relocated Las Vegas Raiders of the NFL, and a planned move of the Oakland Athletics, whose proposed ballpark is aiming to open by 2028. The NBA has staged its summer league in Las Vegas for years and recently chose the city to host the semifinals and final of its new in-season tournament.

Silver has said on multiple occasions that Las Vegas and Seattle stand out as “unique in terms of available markets in the U.S. right now,” citing both fan interest and the existing infrastructure to support teams.

Still, the infrastructure question in Las Vegas centers on where an NBA team would play and who would control the building. T-Mobile Arena, a 17,500-seat venue just off the Strip that opened in 2016, already hosts the Golden Knights and major concerts. Bill Foley, the Golden Knights’ owner, has said he would consider adapting the facility to host an NBA franchise on a permanent basis, though no formal deal is in place.

Competing with that option is a proposed $3 billion-plus arena and resort complex south of the Strip being developed by Oak View Group, whose executives have repeatedly described the project as “NBA-ready.” The effort has faced site changes and executive turnover, but the company maintains that Las Vegas needs a new arena tailored to professional basketball and entertainment.

Other investor groups, including a consortium linked to Magic Johnson, have also expressed interest in a Las Vegas team in discussions with Nevada officials, according to people briefed on those conversations.

Public funding is likely to be contentious. Leaders of the Las Vegas Convention and Visitors Authority have said they do not expect to use room-tax or other public funds for another major sports facility after the subsidies granted to the Raiders and the Athletics. Some local advocates and economists are skeptical, pointing to previous projects that began as privately financed and later sought public assistance.

A Las Vegas franchise would also further intertwine the NBA with the legal sports betting industry. The league, which once fought to block the spread of legal wagering, now has partnerships with major sportsbooks and allows in-arena betting lounges and heavy advertising. Advocates for responsible gambling and integrity in sports have warned that placing a full-time NBA team in the nation’s best-known betting destination will require robust safeguards, particularly as leagues confront point-shaving and insider-wagering investigations across college and professional sports.

What happens next: owners, arenas, and league structure

In the near term, the NBA’s expansion exploration will focus on more immediate questions:

• Ownership groups: Which bidders can demonstrate sufficient capitalization and league-ready governance structures.
• Arena economics: What long-term lease and revenue arrangements are available at prospective venues.
• League integration: How two new teams would be incorporated into the NBA’s current 30-team structure.

Adding franchises in Seattle and Las Vegas would give the Western half of the country 18 NBA teams, creating a likely need to shift at least one current Western Conference club to the East to balance the conferences at 16 teams each. That realignment would affect travel, television windows, and potentially competitive balance—and has already prompted quiet lobbying from some ownership groups that see advantages in moving eastward.

The league would also need to negotiate expansion-draft rules with the National Basketball Players Association, outlining how many players each existing team could protect and what kinds of contracts and salary-cap exceptions would be available to the newcomers. When the Charlotte Bobcats entered the league in 2004, existing clubs were allowed to shield up to eight players, with the expansion team filling its roster from the unprotected pool.

For the players’ union, expansion represents both risk and opportunity. It would create roughly three dozen new standard roster spots, plus two-way contracts, but could dilute talent in the short term and affect how salaries and roles are distributed across the league.

Silver has cautioned repeatedly that expansion is “not a foregone conclusion” even with the exploratory vote. But by explicitly limiting the current process to Seattle and Las Vegas and attaching a rough timeline, owners and the league office have signaled that the next few years are likely to reshape the NBA’s geographic and financial map in ways not seen since the early 2000s.

For fans in Seattle and Las Vegas, the vote marks the start of a new phase: less about rumors and wish lists, more about ownership filings, arena deals and—if the process stays on track—a draft night in 2028 when two new teams begin to take shape.