- Name William and Arthur Zeckendorf
- Industry News
- Bio They are the brothers behind the most expensive address in the city: 15 Central Park West. They are also the owners and co-chairmen of Terra Holdings and Zeckendorf Realty, L.P., the brokerage firm that developed 515 Park Avenue—a 43-story luxury condominium in Manhattan. The building has broken records for the highest-priced residential property per square foot in Manhattan history.