The series includes financial statements prepared by a number of different chartered accountants on behalf of the District of Coquitlam for the years 1971-1991. Starting in 1981, the reports were called Annual Reports but continued to reflect the same information. The reports include a municipal directory, the Municipal Treasurer's Report, the Auditor's Report, and financial statements.

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 the Annual Reports, Statements of Financial Information, and Consolidated Financial Statements for 1992 to 2018. The Annual Reports vary slightly throughout the years but generally include a civic directory, a message from the Mayor, a Treasurer's report, an Auditor's report, maps, photographs, an organization chart, and financial statements. For the years 1994 to 2002, and 2008-2009 the series includes the Annual Report and a separate Statement of Financial Information. For the years 2010-2013 the series includes Consolidated Financial Statements.