Most Expensive Homes November 7, 2013 The most expensive homes: Woolworth Mansion in New York City At the turn of the 20th-century retail magnate Frank Woolworth hired famed architect Charles Pierpont Henry Gilbert to build three adjacent townhomes on the Manhattan’s Upper East Side for his daughters, and this is the middle one, 4 East 80th Street. It contains 10-bedrooms and 12-bathrooms and is asking $90 […]