Sphere National Harbor is moving closer to construction after the Prince George’s County Council in Maryland greenlit a large $200 million in tax incentives for the project. This decision, made during a council meeting on July 27, introduces the National Harbor Extraordinary Development District in Oxon Hill. Situated on an expansive 14-acre site just north of the MGM National Harbor casino resort, the Sphere will feature cutting-edge entertainment facilities supported by these large tax credits.
Defending the Financial Incentives
Sphere Entertainment, under the stewardship of the wealthy Dolan family—owners of Madison Square Garden and more—has drawn some local criticism. Residents question why a family of such wealth needs financial breaks. However, county officials stand by the tax increment financing (TIF) deal, emphasizing the proposed economic returns. Ernst & Young’s study supports this, predicting the Sphere’s $1 billion project will drive over $1.3 billion annually in economic impact, creating over 7,100 jobs. The anticipated tax benefits for Prince George’s County are notable. But eY forecasts $43.1 million in annual tax revenues, including $12.7 million from property taxes and $29.5 million from admission fees. The County Executive, Aisha Braveboy, highlighted the competitive edge offered by the incentives, with neighboring jurisdictions also vying for similar developments.
The Mechanics of TIF Financing
The financial backing isn’t a direct cash infusion. Instead, the county is issuing bonds to Sphere Entertainment, repayable through taxes generated by the project itself. It’s a bet on the project’s future success. This isn’t the county’s first rodeo with TIF—an approach previously used for the wider National Harbor development, which helped establish major infrastructure there. The Sphere National Harbor project draws comparisons to its Las Vegas counterpart—Sphere Las Vegas—which, despite a rocky start due to pandemic-driven cost overruns, now contributes to local taxes. Though still recovering financially, Sphere Las Vegas has paid roughly $20 million annually in property taxes to Clark County, demonstrating the potential long-term benefits these venues can bring.
Looking Ahead
As the Sphere National Harbor project progresses, eyes will be on its economic performance and impact. And the council’s decision underscores a major commitment to fostering large-scale development within Prince George’s County. The next major milestone will likely be the groundbreaking ceremony, anticipated in the coming months, as construction plans solidify.

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