509 Madison Avenue is the quintessential midtown building. Like its distinguished neighbors, IBM, AT&T and Trump Tower, it possesses a prestigious Plaza District address. The finest restaurants, hotels, international shops and transportation are virtually around every corner. At the corner of E 53rd & Madison * Renovated attended lobby * New entrance * State-of-the-art walnut panelled elevator cabs * Corridors on each floor are accented by marble floors and mahogany moldings. * Subway access in building