Final Remaining Sponsor Residence. Landmark atop a Landmark. Pritzker Prize winner Shigeru Ban Penthouse with 20-ft Ceilings and Wraparound Terrace.  Introducing this majestic duplex penthouse perched atop a 19th century cast iron landmark. Award winning Shigeru Ban-designed this 4-bedroom (plus den or convertible 5th bedroom), 3.5-bathroom home with sliding curtain wall windows that open onto a 1,510 sq. ft. terrace and allow for seamless indoor-outdoor living.  Northern and eastern light spills onto gorgeous white oak floors. Modern comforts include key-locked elevator access, multi-zone heating and cooling, and a laundry room with a utility sink and Miele washer and vented dryer.  Residents enter into a welcoming entry hall adorned with a coat closet and full bathroom. The home then flows into an expansive living, dining, and kitchen space saturated with natural light over limestone floors featuring radiant heat. The living area boasts soaring 20-ft ceilings and sliding glass walls that open onto a terrace perfect for sun lounging, entertaining, and urban gardening. The kitchen is equipped with an eat-in waterfall island, custom white matter lacquer cabinets, Bianco Oro countertops, and a suite of fully-integrated Gaggenau appliances. A secluded study and a bedroom with easy access to a second full bathroom complete the lower level.  A trio of large bedrooms sit on the upper level of the home. The primary suite features sliding glass windows, a windowed walk-in closet, and a luxurious en-suite bathroom with a Corian double vanity, radiant heated marble floors, a walk-in shower, and a freestanding Kaldewei soaking tub. The second and third bedrooms have private closet space and share access to a chic terrace and an immaculate bathroom with double sinks and a deep soaking tub.  Built in 1881, The Cast Iron House is a stunning boutique condominium with a prime TriBeCa address and incredible lifestyle amenities. Residents enjoy a 24-hour doorman, a state-of-the-art fitness center designed by The Wright Fit, a dance/yoga studio, a hydrotherapy spa, a steam and sauna room, a children's playroom, bicycle storage, and a Green Wall courtyard. The building is moments from trendy restaurants, bars, cafes, and shops, and it is close to the 1/6/N/Q/R/W/J/Z subway lines. Pets are welcome.  THE COMPLETE OFFERING TERMS ARE IN AN OFFERING PLAN AVAILABLE FROM SPONSOR. FILE NO. CD13-0172.