For nearly two decades, the NBA has remained a 30-team league, a stable ecosystem that has seen explosive growth in valuation and global reach. However, the era of “standing pat” is officially drawing to a close. This week, the NBA Board of Governors is expected to take the most significant step toward growth in twenty years: a formal vote to begin the exploration of league expansion.

The move comes on the heels of the league securing a massive new multi-billion dollar media rights deal, which Commissioner Adam Silver long cited as the necessary precursor to adding new franchises. With the financial landscape settled, the focus shifts to the “where,” “when,” and “how much” of the NBA’s next chapter.

The Frontrunners: Emerald City and the Entertainment Capital

While the league will technically undergo a formal process to vet potential cities, it is the worst-kept secret in professional sports that Seattle and Las Vegas are the overwhelming favorites to land the 31st and 32nd franchises.

Seattle has been longing for the return of the SuperSonics since the franchise relocated to Oklahoma City in 2008. With a ready-made home in the renovated Climate Pledge Arena and a basketball-starved fan base, the city represents a “correction of a historical wrong” for many league purists. On the other hand, Las Vegas has rapidly transformed into a premier sports mecca, already hosting successful NHL, NFL, and WNBA teams. The presence of T-Mobile Arena and the NBA’s established relationship with the city through Summer League make “Sin City” an irresistible destination for ownership groups.

The Five-Billion-Dollar Question

Expansion is not merely about geography; it is a monumental financial transaction. Experts estimate that the expansion fees for new teams could reach as high as $4 billion to $5 billion each. This revenue would be distributed among the current 30 owners, providing a massive short-term windfall.

However, the Board of Governors must weigh this immediate cash injection against the long-term dilution of basketball related income (BRI). Bringing in two new teams means splitting the media rights pie 32 ways instead of 30. The “exploration” phase will involve deep financial modeling to ensure that the new markets add enough value to the league’s overall brand to justify the permanent addition of two more mouths to feed.

The Logistics of Realignment

Adding two teams in the West—Seattle and Las Vegas—creates a significant geographic imbalance. To maintain two 16-team conferences, at least one current Western Conference team would need to move to the Eastern Conference.

The Minnesota Timberwolves, Memphis Grizzlies, and New Orleans Pelicans are the most logical candidates for a move East. Minnesota, in particular, has long sought a move to the Eastern Conference to align its travel schedule with more proximal Midwestern rivals like Milwaukee, Chicago, and Detroit. This logistical shuffle will be a key point of discussion during the league’s expansion committee meetings.

The Ownership Race

With a multi-billion dollar entry fee, the pool of potential owners is exclusive. In Las Vegas, LeBron James has been vocal about his desire to head an ownership group once his playing days are over. In Seattle, the interest is expected to be equally high, likely involving a mix of local tech billionaires and private equity giants.

The NBA’s task will be to vet these groups not just for their capital, but for their ability to build sustainable, competitive organizations that enhance the league’s product on the floor.

Conclusion: A New Era Awaits

While a vote to “explore” expansion doesn’t mean tip-off in Seattle is happening tomorrow, it signals that the finish line is in sight. The process is expected to take several years, with a potential target for new teams to begin play in the 2027-28 or 2028-29 seasons.

For fans in the Pacific Northwest and the Nevada desert, the wait has been long. But as the NBA Board of Governors convenes this week, the dream of a larger, more inclusive league is finally transitioning from a “what if” to a “when.”