4 West 21st Street Flatiron District Apartment For Sale

More Elevated / Luxury-Forward Version Sophisticated Flatiron loft living begins at 4 West 21st Street. This sun-filled two-bedroom, two-bath residence blends downtown character with refined modern finishes in one of Manhattan’s most sought-after full-service buildings. With 9.5-foot ceilings, floor-to-ceiling south-facing windows, and an expansive open layout, the home offers a seamless balance of volume, light, and style. The oversized living and dining space flows into a beautifully appointed chef’s kitchen with Poliform Varenna cabinetry, Pied Auberge stone counters and backsplash, Sub-Zero and Miele appliances, and a large island designed for both entertaining and everyday use. The tranquil primary suite features an enormous walk-in California Closet and a spa-caliber bath with radiant heated floors, a deep soaking tub, frameless glass shower, and double vanity. A spacious second bedroom offers excellent flexibility for guests, a nursery, or a polished work-from-home setup. Additional features include dark oak floors, generous storage, a vented washer/dryer, and a second full bath. Designed by acclaimed architect Hugh Hardy, 4 West 21st Street is a coveted Flatiron condop offering a 24-hour doorman, fitness center, parking garage, landscaped courtyard, children’s play area, and live-in superintendent. With no board approval required and policies that allow pets, unlimited subletting, pieds-à-terre, co-purchasing, gifting, and parents buying for children, this home offers a rare level of flexibility in a prime Manhattan location near Madison Square Park, Union Square, Chelsea, and NoMad. Capital assessment: $894.31/month through June 2027. CONTACT US TODAY FOR A PRIVATE TOUR.