PANORAMIC SKYLINE VIEWS. LANDMARK PREWAR ARCHITECTURE. CONDOMINIUM LOFT. Perched high above the heart of Downtown Manhattan, Residence 15B at 150 Nassau Street is an extraordinary corner three-bedroom, three-and-a-half-bathroom loft within the iconic American Tract Society Building—one of New York City's most celebrated Beaux-Arts landmarks. Blending authentic prewar character with sophisticated contemporary design, this exceptional 2,353+/-square-foot residence offers grand proportions, remarkable volume, and breathtaking panoramic views spanning the Manhattan skyline, East River, Brooklyn, and beyond. The expansive corner great room, measuring approximately 33' x 22', is anchored by a gas fireplace and framed by spectacular skyline vistas that transition effortlessly from sunlit mornings to dazzling city evenings. Seven oversized double-hung windows with coveted northern and western exposures flood the space with natural light, highlighting soaring 10-foot ceilings, dramatic steel columns, and timeless architectural details that define true loft living. The thoughtfully designed split-bedroom layout provides an ideal balance between elegant entertaining and everyday comfort while maintaining exceptional privacy. The chef's kitchen is beautifully appointed with bespoke walnut Boffi cabinetry, an oversized island designed for casual dining and entertaining, Carrara marble and stainless-steel countertops, and a suite of professional-grade Viking, Sub-Zero, and Miele appliances. Thoughtfully planned for both functionality and style, the kitchen integrates seamlessly with the living and dining areas, creating an inviting setting for intimate gatherings or larger-scale entertaining. The serene primary suite is a private sanctuary overlooking the East River, Brooklyn Bridge, and Manhattan Bridge. A generous sitting area, custom walk-in closets, and a spa-inspired five-piece marble bath featuring a deep soaking tub, glass-enclosed shower, double vanity, and premium fixtures create an atmosphere of refined luxury. Two oversized secondary bedrooms each feature luxurious ensuite baths and abundant custom storage, offering comfort and flexibility for family or guests. A gracious gallery foyer, elegant powder room, walk-in pantry, in-home laundry, rich hardwood flooring, custom lighting, and central air conditioning complete this exceptional residence. Originally designed in 1896 and thoughtfully converted into an exclusive condominium in 2003, 150 Nassau Street offers an exceptional blend of historic grandeur and modern luxury. Residents enjoy white-glove service with a 24-hour doorman, live-in resident manager, state-of-the-art fitness center, and a beautifully landscaped rooftop terrace showcasing sweeping views of Lower Manhattan, the East River, and Brooklyn. Perfectly positioned moments from Tribeca, the Seaport, Brookfield Place, acclaimed restaurants, luxury shopping, waterfront parks, and virtually every major subway line, Residence 15B presents a rare opportunity to own a distinguished loft in one of Downtown Manhattan's most architecturally significant and highly coveted condominium residences. **The real estate taxes reflect an assumed 17.5% reduction pursuant to the Cooperative/Condominium Abatement (Real Property Tax Law §467-a). Purchasers should consult with their tax advisor regarding eligibility and applicable requirements. Seller makes no representation or warranty as to the availability, continuation, or applicability of the abatement.