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 fonds consists of records made or received in the course of conducting the operational business of the City of Coquitlam and its various departments.

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 consists of photographic negatives taken by staff and contract photographers for the Tri-City News..

The fonds consists of records created and accumulated by Don Cunnings, documenting his involvement in sport and recreation in Coquitlam. The archivist arranged the fonds into two series. One series documents the activities of Cunnings during his tenure at the District of Coquitlam Parks and Recreation Department. The second series consists of personal and professional records accumulated by Cunnings, documenting his various professional positions for reference and posterity.

The records include photographs, newspaper clippings, newsletters, correspondence, recorded documentaries, two scrapbooks, and assorted textual records and ephemera.

The fonds consists of photographs (b&w and colour negatives) taken by staff and contract photographers of the Tri-City News, and the Sunday News. The fonds also includes 133 bound volumes of copies of the Tri-City News from 1990 to 2018, as well as 6 microfilm reels containing copies of the Tri-City News, the Maple Ridge News, and the Sunday News from 1985 to 1986. Finally, the fonds includes several loose special editions in print form.

The series consists of copies of the Tri-City News from 1990 to 2018 printed and bound in large volumes, arranged by month and year. The series also includes microfilmed copies of the Tri-City News from 1985 and 1986.

The collection consists of records relating to School District No. 43 and schools in Coquitlam. The records include formal class portraits, staff portraits, scrapbooks, newspaper clippings, school publications and newspapers, school annuals, and an assortment of crests.

The fonds consists of the District of Fraser Mills Letters Patent, council minutes, financial records, correspondence, municipal government records, police commission meeting minutes, declarations and assessment rolls, and assorted textual records.

The fonds consists of the operational records of the Burquitlam Community Association, including minutes, agendas, correspondence, and documents related to programs, projects, and committees. The fonds also includes photographs of the Burquitlam neighbourhood and a Burquitlam Community Association meeting from 2004.

The item consists of one 1975 City of Coquitlam Street Map.

The fonds consists of an album containing photographs of a visit from a sister city delegation of the Tochigi Prefecture in Japan that took place in August, 1996.

The item consists of a map of Coquitlam and Surrey that shows the pipeline (in red) from Coquitlam to New Westminster. The map depicts the Westminster Bridge but does not have the Patullo Bridge, putting it somewhere between 1904 (when the Westminster Bridge was constructed) and 1937 (when the Patullo Bridge was constructed).

The collection includes two City of Coquitlam Gender Equity reports from 1999 and 2000; a paper regarding Gender Equity policy from 2001 written by Fiona A.E. McQuarrie entitled "What Makes an Equity Program Successful?: Lessons from an Example in Sport" which was presented at the 2001 Administrative Sciences Association of Canada at the University of Western Ontario; and the text for a presentation entitled "The City of Coquitlam Gender Equity Program" given by Fiona A.E. McQuarrie to the National Conference on Women, Sport, and Physical Activity in Hamilton Ontario in 2000.

The collection consists of assorted maps of the Coquitlam area that have been donated or transferred to the City of Coquitlam Archives and are not part of a specific fonds or collection.

The fonds consists of research materials created and accumulated by Edmund and Garry May Colchester in the 1970s. The material was created and accumulated in the preparation of a final report entitled "Contrasting Philosophies in Workers' Housing in Two Mill Villages: Fraser Mills Townsite and Maillardville - A Brief History”. The fonds also contains several versions of the final reports, as well as other academic writing.

Materials include photographs of houses in Maillardville and Fraser Mills, aerial photographs of Fraser Mills, maps (hand-drawn and copies), promotional materials for Crown Zellerbach, as well as other materials accumulated during the research process.

The item consists of a map of the north of the District of Coquitlam including Westwood Racetrack.

The series consists of property records relating to Fraser Mills including land sales, Jack Cewe Park, rental memos, and survey plans.

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 collection consists of records gathered by Walter Bruce MacDonald as research materials and content for a biography of Roderick Charles (R.C.) MacDonald. Records include collected photographs of R.C. MacDonald and his family as well as newspaper clippings, photographs, pamphlets, programs, scrapbooks, reports, speeches, certificates, drawings, correspondence, and copies of the book and digital manuscripts for Walter Bruce MacDonald's biography of R.C. MacDonald entitled, "Catch-as-catch-can."

The item consists of a scrapbook containing photographs that depict life in the construction camp for the second phase of the Coquitlam Dam between 1912 and 1913. The photographs show the camp, the bridge, Coquitlam Lake, salmon jumping in the lake, panoramic vistas, and social activities like rat catching, boating, and picnics.

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.

The subseries consists of records created as part of the Coquitlam 125 anniversary celebrations that took place over the course of 2016. The subseries includes PDF copies of stories that were submitted to the coquitlam125.ca website, as well as photographs and videos taken by a group of artists (Artists Rendering Tales Collective Inc.) commissioned by the City of Coquitlam to document events throughout the year.

The collection consists of three photographs of the 1948 flood at Fraser Mills.