The series consists of Assessment and Collector's Rolls from 1892 to 1957. There is a gap in the records between 1895 and 1909, as some records were lost prior to the establishment of the Archives.

The series includes financial statements prepared by a number of different chartered accountants on behalf of the Corporation of the District of Coquitlam for the years 1912 to 1970. Earlier documents include boiler plate information about elected officials and department heads while later documents provide statistics and other information about the municipality as well as a selection of photographs in a few cases.

The series consists of records relating to the amalgamation of the Corporation of the District of Fraser Mills and the Corporation of the District of Coquitlam. It includes draft agreements, correspondence, and newspaper clippings.

The series consists of records created by the Corporation of the District of Coquitlam.