Trump’s Arch Clears Key Hurdle in Height Limit Debate

President Donald Trump’s proposed 250-foot triumphal arch cleared another regulatory milestone on Thursday, as the National Capital Planning Commission (NCPC) voted 8-1 to approve preliminary site and building plans for the structure. But the commission deferred the most consequential question — whether Washington D.C.’s century-old Height of Buildings Act applies to the project — setting the stage for a contentious debate at its next meeting in September, according to NPR.

Commissioner Evan Cash cast the sole dissenting vote, while three members voted “present.” The decision moves the arch — which would stand on Memorial Circle at the Virginia end of the Arlington Memorial Bridge, steps from the main entrance to Arlington National Cemetery — one step closer to reality.

The Height Debate

At the heart of the controversy is whether the 1910 Height of Buildings Act (HBA), which generally limits structures in the nation’s capital to 130 feet, applies to federal construction. The proposed arch would soar to 250 feet — more than twice the height of the Lincoln Memorial (99 feet) and nearly half the height of the Washington Monument (555 feet).

The Department of the Interior’s Office of the Solicitor submitted a four-page memo arguing that the HBA is “just a local zoning ordinance and does not apply to the United States,” citing an 1899 version of the law that exempted federal buildings. The Interior Department contends that exemption survived the 1910 revision, as reported by NPR.

Will Scharf, the NCPC chair who also serves as White House staff secretary, signaled his support for that interpretation. “I believe, speaking personally, that the Height of Buildings Act is not applicable to federal construction,” Scharf said during the meeting, contradicting what he acknowledged was the “long-held” view of the commission he has led for the past year.

But Meghan Hottel-Cox, the commission’s general counsel, warned that abandoning the HBA would have far-reaching consequences. “Since 1938, NCPC has operated with the understanding that the HBA was intended to bind federal projects,” she wrote in a staff memo. Changing that interpretation, she added, “could fundamentally reshape the city’s architectural fabric, the balance of local vs. federal authority, and the visual character of the nation’s capital.”

Public Opposition and Legal Challenges

The meeting drew intense public opposition. Over 40 people spoke against the arch, and the commission has received nearly 2,000 written comments opposing it, with protesters rallying outside the hearing, NPR reported.

Kristopher Reichert, a D.C. resident and co-chair of the local chapter of Principles First, told the commission: “Our greatest memorials emerged through time, public consensus, and history’s judgment, not the preferences of those holding office. No administration, regardless of party, should claim the privilege of reshaping America’s monumental core without first demonstrating the restraint that has defined our republic for nearly 250 years.”

Meanwhile, a federal lawsuit filed in February by three Vietnam War veterans — Shaun Byrnes, Jon Gundersen, and Michael Lemmon — and architectural historian Calder Loth continues to wind through the courts. Represented by Public Citizen, the plaintiffs argue the arch violates the Commemorative Works Act and requires congressional authorization, according to NPR. The judge has not yet ruled on the project’s legality.

“There are other important monuments to our best presidents in Washington,” Byrnes, 83, told NPR. “They were all constructed not at the direction of those great men, but after they had passed away by our citizens as a way of honoring them and keeping their memories alive. This current arch does not check any of those boxes.”

A Proposed Compromise

NCPC staff offered a potential workaround: lower the arch’s structural height from 166 feet to the maximum 130 feet allowed under the HBA, while increasing the height of the gold statues on top — a winged woman flanked by two eagles — to 100 feet. Combined with a 20-foot habitable penthouse permitted under a 2014 tweak to the law, the overall height would remain 250 feet, but with dramatically different proportions.

Elizabeth Morton, a planning and urban design consultant who lectures at George Washington University, expressed skepticism about the redesign. “From an architectural point of view, if you’ve got a really big statue, there’s a solid base at the bottom that psychologically holds it up,” she told NPR. “The function of [an arch] is as a gateway … and having a very large vertical element on top is really distracting and unsettling.”

Broader Implications for D.C.

The legal argument advanced by the Interior Department represents a significant departure from nearly a century of NCPC practice. If adopted, it could fundamentally alter Washington’s skyline, affecting not just this arch but all future federal construction in the capital.

Sara Bronin, a George Washington University Law School professor specializing in property and land use law, told The Independent that exceptions to the Height of Buildings Act have been rare. “There hasn’t been one in decades, as far as I know,” she said, adding that the back-and-forth between federal agencies “suggests that this may be a matter that will show up at some point in court.”

Evan Cash, the sole commissioner to vote against the arch, made an impassioned case for maintaining the height framework. “I’m not willing to lend my vote to plans that could have the effect of upending decades of [commission] practice and the century-old height framework, all without congressional authorization or a commemorative works process, for a project that — as far as I can tell — has only one real advocate, and that advocate is not Congress,” he said.

What’s Next

The NCPC’s next meeting in September 2026 will be pivotal. The commission must decide whether the Height of Buildings Act applies to the arch, whether to grant final approval, and what conditions to impose. The project team has also been asked to return with a justification for the proposed height and to address concerns about air traffic, pedestrian safety, and construction noise near Arlington National Cemetery.

A White House official told NPR that the administration does not believe the Height of Buildings Act restricts the project, adding: “We expect the Arch proposal to proceed as-is.” White House spokesperson Davis Ingle said the arch “is going to be one of the most iconic landmarks not only in Washington, D.C., but throughout the world,” and would enhance the visitor experience at Arlington National Cemetery.

As the regulatory process moves forward, the federal lawsuit and public opposition continue to cast uncertainty over the project’s future. The Guardian noted that the arch is one of several major construction projects Trump is pursuing in the capital, including a $400 million ballroom at the White House, reflecting pool resurfacing, and renovations to the Kennedy Center — all part of an ambitious effort to reshape the nation’s monumental core.