The Renwick Building is a historic building located in downtown Davenport, Iowa, United States. It has been listed on the National Register of Historic Places since 1983, and on the Davenport Register of Historic Properties since 2000. In 2020 it was included as a contributing property in the Davenport Downtown Commercial Historic District. It is known locall…The Renwick Building is a historic building located in downtown Davenport, Iowa, United States. It has been listed on the National Register of Historic Places since 1983, and on the Davenport Register of Historic Properties since 2000. In 2020 it was included as a contributing property in the Davenport Downtown Commercial Historic District. It is known locally for the large painted sign on the north side of the building depicting the Bix 7 Road Race.