The Final Opportunity at The Treadwell: A Crown-Jewel Penthouse on the Upper East Side
March 23, 2026
2 Min Read
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The Final Opportunity at The Treadwell: A Crown-Jewel Penthouse on the Upper East Side

By BHS New Development


The Treadwell, developed by DART Interests and Zeckendorf Development, is now nearly sold out. The last opportunity to purchase a sponsor unit is the building, designed by INC Architecture & Design, is its crown-jewel penthouse. The full-floor penthouse, the building’s only one, features 2,900-square-foot, four-bedrooms, 3.5 baths, and four terraces, allowing for seamless indoor-outdoor living and a full panoramic sweep from the treetops of Central Park and the crowns of the Midtown skyline to the East River and beyond.

















Robin Schneiderman, managing director of Brown Harris Stevens Development Marketing, which led exclusive sales and marketing for the project and collaborated with the team from pre-development planning, notes that “Treadwell was a highly successful condo sellout that outperformed market absorption in large part because we identified a hole in the Upper East Side market and delivered accordingly. We brought in INC as the architect and designer and delivered a beautiful project contextual to the neighborhood with a unit mix of one-, two- and three-bedroom condos, mostly priced below $4 million, and with protected western views over the Treadwell Historic District.”

















Designed with gracious setbacks, clean lines, and rich materials, The Treadwell’s stunning vertical silhouette is punctuated by fluted terracotta and bronze. The result is a distinctive 21st-century apartment house with subtle references to New York’s iconic Art Deco and Neoclassical architectural history. The Treadwell is located on tree-lined East 62nd Street, adjacent to the Treadwell Farm Historic District, where stately 19th-century brownstones line the street setting a distinctly tranquil tone.

















Set on the ground and second floor, The Treadwell’s light-filled indoor amenities open to beautifully landscaped outdoor spaces. The double-height lobby is staffed 24-hours-a-day to ensure personalized service and prompt attention to all requests. The two floors of amenities enhance every moment spent at home, including a Club Lounge for festive private parties, terraced Meditation Garden, Fitness Center with Sauna and Steam, Children’s Playroom and Craft Room. Residence at The Treadwell includes complimentary one-year memberships to Sollis Health.

















Check out this last, grand home at 249 East 62nd Street, anchored by a 40-foot Great Room with northern and southern terraces overlooking the East River.  The living and dining areas offer soaring 14-foot ceilings, all bathed in light from three exposures. With over 40 windows in total, this Penthouse truly elevates every gathering to new heights. 

















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