Supreme Court allows construction of Trump's White House ballroom to continue

Trump celebrated the court's decision, writing on Truth Social, 'This Building will be one of the Greatest ever constructed in Washington, D.C'
The Supreme Court justices split 5-4 and blocked lower court decisions that tried to pause the construction of the White House ballroom (AP Photo/Tom Brenner)
The Supreme Court justices split 5-4 and blocked lower court decisions that tried to pause the construction of the White House ballroom (AP Photo/Tom Brenner)

WASHINGTON, DC: The Supreme Court on Monday, August 31, gave the green light to keep building the new White House ballroom, a sprawling, 90,000-square-foot project President Donald Trump has pushed for on the former East Wing site.

The justices split 5-4 and blocked lower court decisions that tried to pause the construction. In an unsigned opinion, the court said the National Trust for Historic Preservation, which filed the lawsuit, probably didn’t have the legal right to challenge the project in the first place.

Trump administration cites national security concerns for ballroom

The majority on the court skipped over the question of whether the East Wing project is actually legal.

WASHINGTON, DC - JUNE 28: Construction of the new White House ballroom continues as crews work to break down the Ultimate Fighting Championship Freedom 250
Construction of the new White House ballroom continues as crews work to break down the Ultimate Fighting Championship Freedom 250 'Claw,' a 92-foot-tall temporary stadium on the South Lawn, on June 28, 2026, in Washington, DC (Al Drago/Getty Images)

Chief Justice John Roberts, along with the three liberal justices, dissented. He wrote that the ballroom project is “likely unlawful” and pointed out that Congress hasn’t signed off on it.

Earlier this month, Roberts let construction keep going for a while as the full court considered the administration’s urgent request.

The Trump administration asked the Supreme Court for emergency relief after a federal appeals court said the White House didn’t have the authority to move forward with the $400 million project without Congress’s approval.

Solicitor General D John Sauer argued that stopping construction now would put national security at risk, considering the project includes an underground bunker, medical facilities, and other secure infrastructure.

WASHINGTON, DC - OCTOBER 23: An excavator works to clear rubble after the East Wing of the White House was demolished on October 23, 2025 in Washington, DC. The demolition is part of U.S. President Donald Trump's plan to build a ballroom reportedly costing at least $250 million on the eastern side of the White House. (Photo by Eric Lee/Getty Images)
An excavator works to clear rubble after the East Wing of the White House was demolished on October 23, 2025, in Washington, DC (Eric Lee/Getty Images)

He pointed to recent threats against Trump as one more reason they couldn't afford delays. Sauer explained that the project was about 65% done, with a 250-person crew working nonstop, and insisted construction had gone so far that pausing it just didn’t make sense anymore.

The court’s majority leaned on sworn statements from top administration officials, the director of National Intelligence, the heads of the Secret Service, the Army, and the State Department, all saying the ballroom is essential. 

They warned that any delay could disrupt government work. The White House expects the main structure to be mostly done by November, and plans to finish the entire project by August 2028.

Reaction from both sides

Trump jumped onto Truth Social to celebrate the decision, hailing the ballroom as one of Washington’s greatest buildings and insisting the country would feel proud once it’s finished. 

"I am pleased to report that the United States Supreme Court has just ruled in favor of the Ballroom/Military Complex being built without any further contingency, doubt, or threat. We are living in the Golden Age of America, and this Building will be one of the Greatest ever constructed in Washington, D.C," he wrote. 

President Donald Trump speaks at the White House Correspondents' Association dinner at the Waldorf Astoria Washington DC, Friday, July 24, 2026, in Washington. (AP Photo/Mark Schiefelbein)
President Donald Trump speaks at the White House Correspondents' Association dinner at the Waldorf Astoria Washington, DC, on Friday, July 24, 2026, in Washington (AP Photo/Mark Schiefelbein)

On the other hand, Brent Leggs, who leads the National Trust for Historic Preservation, said the group felt let down. Still, he pointed out that the court hadn’t ruled on the project’s actual legality.

He saw Justice Roberts’ dissent as proof the group was right: a sitting president can’t just remake the White House without Congress signing off.

WASHINGTON, DC - JANUARY 20: U.S. Supreme Court Chief Justice John Roberts attends inauguration ceremonies in the Rotunda of the U.S. Capitol on January 20, 2025 in Washington, DC. Donald Trump takes office for his second term as the 47th president of the United States. (Photo by Chip Somodevilla/Getty Images)
Supreme Court Chief Justice John Roberts attends inauguration ceremonies in the Rotunda of the US Capitol on January 20, 2025, in Washington, DC (Chip Somodevilla/Getty Images)

Portions of some legal filings submitted by the Justice Department to lower courts have been written in the style of the president's social media postings, including misplaced capital letters and exclamation points, raising questions as to whether Trump himself participated in the brief-writing process. 

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