Filed under: New York City The Most Expensive NYC Homes of the Year By Sarah Firshein Dec 27, 2010, 10:35am EST At right: the Duke Semans Mansion in NYC, which sold for $44M to Mexican billionaire Carlos Slim. It kicks off Curbed NY's list of the city's most expensive properties of the year, which goes no lower than $20M. [Curbed NY] Next Up In New York City Are New Yorkers Really Buying Cars in Droves Now? No, Manhattan Home Prices Are Not Plummeting Navigating the new MoMA How four small cities are fighting the effects of urban renewal Behold, an ‘Instagram museum’ for our environmental crises How ‘High Maintenance’ captures the challenges of finding community in the city