This dataset contains 2018 national concrete waste flows from waste-generating sectors to waste management pathways. The sectors are based on North American Industry Classification System (NAICS) 2012 codes. These dataset was generated in FLOWSA v1.3.2 (https://github.com/USEPA/flowsa/tree/v1.3.2) with https://github.com/USEPA/HIO/blob/v0.1.0/flowsa/flowbysectormethods/CDD_concrete_national_2018.yaml. The metadata text files included as a supporting document records the FLOWSA tool version and input dataset bibliographic details.