Ranking NYC’s top office buildings

In an “unscientific survey,” the New York Observer asked real estate experts which of the city’s commercial buildings would fetch top dollar if they went on the market. Most of the experts polled said they believed properties like the GM Building, 240 Park Avenue and Rockefeller Center would all certainly sell for more than the record-breaking $1.8 billion paid for 666 Fifth Avenue this January. The GM Building is considered the most valuable building in the world and is valued at over $4 billion. more [NYO]