250_delaware_avenue | location | buffalo,_new_york_city <tsp> buffalo,_new_york_city | ispartof | erie_county,_new_york_city <tsp> buffalo,_new_york_city | leadername | byron_brown <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 
250 delaware avenue is in buffalo. new york which is a part of erie county and the leader is byron brown.the delaware north building is a mixed-use development in buffalo new york new york