250_delaware_avenue | location | buffalo,_new_york_city <tsp> 250_delaware_avenue | buildingstartdate | january, 2014 <tsp> 250_delaware_avenue | floorcount | 12 <sep> the delaware north building is a mixed-use development in buffalo, new york the 12-story, 330,000-square-foot mixed-use building features class a office space, a 120-room westin hotel, ground level retail, a 7,000-square-foot outdoor courtyard, and an adjacent structured parking ramp delaware north's world headquarters anchors the building 
january 2014 was the start date of building 250 delaware avenue which has 12 floors in buffalo. new york.the buffalo new york 12 is a mixed-use building in buffalo, new york