436 W 20th St

The Chelsea MansionA rare and remarkable Seminary Block mansion, 436 West 20th Street dates to 1835 and occupies land once owned by Clement Clarke Moore, author of "'Twas the Night Before Christmas. " Fully gut renovated while preserving the grandeur of its historic setting, this approximately 10,160-square-foot, 25-foot-wide residence unfolds across six levels as an exceptional single-family home in the heart of Chelsea. Known as The Chelsea Mansion, the property combines the scale and architectural presence of a 19th-century townhouse with the sophistication and precision of contemporary design. Seven bedrooms, eight full bathrooms, three powder rooms, eight fireplaces, and a n