ฺBusiness owner apartment in Manhattan, New York City. He said the growth of the business can increase sales by continuing. in 2014, The average apartment price in Manhattan hit a record $ 1.72 million and when compared to the year 2013 was up 15 percent from a year ago. But,In 2014 while sales volume is slowing, prices continue to rise in New York as strong demand competes for historically low supply.