Key keywords: US appeals court, Trump ballroom project, Mar-a-Lago, Supreme Court appeal, Palm Beach zoning regulations, historic preservation law, Florida real estate litigation, private property rights The 11th U.S. Circuit Court of Appeals issued a 2-1 ruling last week that halted former President Donald Trump’s planned 10,000-square-foot private ballroom at his Mar-a-Lago Club in Palm Beach, Florida, removing the last lower-court legal barrier for Trump’s legal team to escalate the case to the U.S. Supreme Court. First proposed in 2022, the ballroom project was designed to host large-scale weddings, political fundraisers, and private corporate events with a maximum capacity of 400 guests. Trump’s legal team argued that the expansion fell under the club’s existing use permits, and that Palm Beach County’s zoning restrictions targeting historic properties violated his constitutional right to private property, amounting to an unfair taking without compensation. Palm Beach local officials first rejected the project in early 2023, citing a 1993 historic preservation agreement that Trump signed when he purchased the 17-acre oceanfront estate. The agreement explicitly limits new construction on the landmarked property to minor renovations that do not alter its historic architectural character. Local planning commissioners also added that the proposed ballroom would bring severe traffic congestion to the upscale residential neighborhood, and violate existing noise ordinances that ban large, loud events in the area after 10 p.m. Trump first filed suit against the county in Florida state court, before moving the case to federal court after a state judge ruled in favor of the county’s zoning enforcement decision. The 11th Circuit’s majority opinion, written by Judge Jill Pryor, held that the 1993 preservation agreement is fully legally binding, and that the county’s construction restrictions do not qualify as an unconstitutional taking, as Mar-a-Lago still retains full rights to host events in its 3 existing event spaces. The dissenting judge, a Trump appointee, argued that the ruling sets a dangerous precedent that allows local governments to arbitrarily restrict use of landmarked private properties without providing fair compensation to owners. Legal analysts note that Trump’s legal team has 90 days from the ruling date to file a petition for certiorari with the Supreme Court. Given the Supreme Court’s 6-3 conservative majority, which has repeatedly ruled in favor of private property rights in recent years, many legal experts believe there is a significant chance the court will agree to hear the case. A ruling in Trump’s favor could have far-reaching implications for historic preservation laws across the U.S., potentially limiting local governments’ authority to enforce construction restrictions on thousands of landmarked private properties nationwide.