Legal challenge mounts against Trump’s proposed monument in Washington, D.C

The lawsuit, submitted to the U.S. District Court for the District of Columbia on Saturday, represents the newest obstacle for the proposed 250-foot arch intended for Memorial Circle, situated along the Potomac River. The administration anticipates groundbreaking within a week.

The attorneys general of Virginia and Washington, D.C., allege the project violates several laws and statutes, including a failure to secure necessary congressional approval and exceeding the permitted height for buildings in the capital. The proposed structure’s height is “nearly double” the legal limit.

Legal representatives for the plaintiffs stated, “Perhaps recognizing that the project is legally indefensible, Defendants have made clear that they will attempt to outrun judicial review.”

A recent court filing from the Department of Justice indicated construction could begin as early as November 5, 2026, contingent on approvals from the National Capital Planning Commission, the National Park Service, and the Interior Department.

The plaintiffs expressed concern that the administration would attempt to delay legal proceedings by initiating construction and then claiming halting it would cause irreparable harm.

They warn that proceeding with the project would inflict “irreparable harm” on both Virginia and Washington, D.C., potentially increasing traffic and pollution during the estimated three-year construction period.

The arch, designed to resemble the Arc de Triomphe in Paris and feature gilded statues and an observation deck, has already faced multiple legal challenges.

A separate lawsuit filed by Vietnam War veterans argues the monument lacks congressional approval and would obstruct views of Arlington National Cemetery, where hundreds of thousands of U.S. service members are buried. Arlington County, Virginia, also filed a lawsuit earlier this month.

Protests have occurred at Memorial Circle over the past year.

The Trump administration has previously argued that plaintiffs lack the legal standing to challenge the project. Officials have also asserted the arch’s completion is vital for national security.

Defense Secretary Pete Hegseth stated in a court filing, “The Arch is a generational national defense opportunity to mitigate these evolving threats. It will be utilized as a dual-purpose structure: a major national monument that also incorporates military utility to support Homeland defense.” He added that the monument would house “counter sniper personnel.”

The president has described the arch as a commemoration of the 250th anniversary of the Declaration of Independence. When questioned about the arch’s purpose, he responded, “Me — it’s going to be beautiful.”

At 250 feet, the monument would surpass the U.S. Capitol Building, the Lincoln Memorial, the White House, and even the Arc de Triomphe. Trump stated in February, “I’d like it to be the biggest one of all. We’re the biggest, most powerful nation.”

The project’s cost remains unclear, with the White House suggesting a combination of public and private funding. The National Endowment for the Humanities has allocated $15 million.

An April Ipsos survey revealed that 52 percent of Americans oppose the arch, while 21 percent support it.

The lawsuit arrives shortly before Election Day, as voters prepare to elect representatives to Congress amid concerns about gas prices, the Iran war, and Trump’s low approval ratings.