The collection consists largely of research materials and notes created in the preparation of Boire's book "With Hearts and Minds" published in 2016. The remainder of the collection consists of materials collected by Boire from Caisse Populaire Maillardville Credit Union, as well as accumulated material pertaining to Boire’s involvement in several community initiatives, such as the Maillardville Residents' Association, Maillardville revitalization and planning, and Place Maillardville.

Materials include correspondence, photographs, administrative records, interviews, reports, handwritten notes, clippings, advertising and professional materials, newsletters, research materials, prints, postcards, ephemera, a map, embossing seals, a lid from a glass milk bottle, and other documents. The collection also includes a manuscript copy of “With Hearts and Minds”.

The subseries consists of assorted miscellaneous photographs collected by the Coquitlam Heritage Society, depicting houses in Maillardville, people, activities and events in the Maillardville area, including May Day, and the renovations of Mackin House.

The fonds consists of correspondence, financial ledgers, manuals, personnel files, photograph prints, and slides relating to the Canadian Western Lumber Company Limited., its predecessor, subsidiary, and successor companies (e.g. Crown Zellerbach and International Forest Products).

The collection consists of photographs collected by the City of Coquitlam Archives that are not part of a specific fonds or collection.

The collection consists of material accumulated by the Coquitlam Heritage Society over the course of its existence. The collection includes the following: records related to Fraser Mills (later the Canadian Western Lumber Company, then Crown Zellerbach) including ledger books, journals, statements, photographs, and various other records; records related to the lumber industry in Coquitlam; photographs of historic Coquitlam; glass plate negatives by W.J. Moore and Richard Broadridge; material related to the administration of the Coquitlam Heritage Society itself; and miscellaneous records related to Coquitlam's history

The fonds consists of the operational records of the Coquitlam Teacher Librarians' Association from 1964 to 2017. The records include the constitution, meeting minutes, grant and funding information, award information, statistics, contacts lists, and records relating to annual conferences.

The fonds consists of photographs (prints and negatives), as well as textual material produced or accumulated by Craig Hodge as part of his various functions. Series 01 includes photographs and textual material accumulated as part of his duties on the Pioneer Tales Book Committee, which produced "Coquitlam 100 Years: Reflections of the Past" in 1991. Series 02 includes photographs taken by Hodge during the opening ceremonies of the BC Summer Games in 1991. Series 03 includes photographs taken by Hodge in his capacity as staff photographer for the Columbian Newspaper in the 1970s and 1980s.

The series documents the activities that Cunnings was involved with and led during his tenure at the District of Coquitlam Parks and Recreation Department and the development of the Department over time.

The series is arranged into files according to subject, and consists of textual records, photographs, ephemera, and newspaper clippings detailing sports, recreational programs and classes, parks and facility development, and events and initiatives undertaken by the Department, such as BC Summer Games, and Coquitlam Centennial celebrations.

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 three 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 third series consists of photographs and other media.

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

The series consists of records produced and accumulated by ArtsConnect in the course of planning, organizing, and mounting arts and culture exhibitions and events. ArtsConnect organized many exhibitions covering a wide range of media: painting, sculpture, photography, performing arts, decorative arts, and video art. Annual exhibitions featured in the series include Works in 3D, Faces of the World Arts and Culture Festival, Vernissage, and Innovations. The series also includes the media coverage of events and exhibitions.

The resulting records are largely textual in form and include correspondence with artists and exhibitors, press releases, art and artist lists, exhibition proposals, application forms, internal memos and scheduling documents, installation records, artist CVs, contracts, didactics, artists' statements, promotional materials, invitations, condition reports, loan agreement forms, and newspaper clippings. Some audio and visual material, including photographs, installation plans, cassette tapes, and magnetic tapes, are also present.

The collection consists of seven class portraits from 1960 to 1966 and two from the 1920s, as well as four additional photographs including a portrait of Joseph William Harris and his family ca. 1912 ; two photographs depicting two separate properties in Coquitlam, and a photograph of the Coquitlam float in the 1945 May Day Parade in New Westminster. The collection also consists of a certificate granted to Wilfred Harris for the McLean Method and two completed building permit applications from Wilfred Harris to the District of Coquitlam.

The series consists of photographs, newspaper clippings, speeches, certificates, programs, family tree diagrams, and other family records collected by Walter Bruce MacDonald for his biography of R.C. MacDonald.

The series consists primarily of photocopied materials accumulated by Boire relating to the history of Maillardville as well as the research notes he created during the process of writing and publishing his book, "With Hearts and Minds."

Record types include newspaper articles and clippings, newsletters, printed materials, correspondence, recorded interviews, reports, biographies, inventories, handwritten notes, photographs, a map, a thesis, and digital records. The series also includes manuscript copies of "With Hearts and Minds."

The fonds consists of textual material relating to Margaret Krenbrink's involvement in several organizations and associations in Coquitlam including the Ranch Park Ratepayers Association and the Coquitlam Teacher's Association. The fonds also includes some personal advocacy correspondence and a copy of the 1980/1981 Voter's List for the District of Coquitlam.

The fonds consists of nineteen colour photographs of various locations around Coquitlam.

The series consists of records created and accumulated by Cunnings and reflect his personal and professional interests. These records were accumulated by Cunnings for the purposes of reference and posterity rather than documenting the activities of the District of Coquitlam Parks and Recreation Department during his tenure.

The personal records consist of a letter of appointment as well as a selection of documentaries used by Cunnings as reference. His professional records contain photographs, ephemera, and correspondence generated in the course of Cunnings' positions as a gymnastics teacher at Our Lady of Lourdes, the Division Head of Essondale's Crease Clinic Recreation Therapy Department, and as a founding member of Coquitlam Search and Rescue (SAR).

The series consists of photographs from various photographers donated to the Coquitlam Heritage Society by various donors. The photographs feature the following: early life in Maillardville; workers, housing, and machinery at Fraser Mills; renovations of Mackin House; events at Mackin House; houses in Maillardville; and various locations around British Columbia (taken by photographers W.J. Moore and Richard Broadbridge).

The file consists of two photographs including a photograph of a school in Coquitlam taken in 1964 and a photograph of the centennial totem pole as it was being painted and prepared for installation as part of the 1967 Canadian centennial celebrations.

The series consists of seven class portraits from 1960 to 1966 and two from the 1920s, as well as four additional photographs including a portrait of Joseph William Harris and his family ca. 1912 ; two photographs depicting two separate properties in Coquitlam; and a photograph of the Coquitlam float in the 1945 May Day Parade in New Westminster.

The series consists of records related to Roderick Charles (R.C.) MacDonald's political career as Reeve of the Corporation of the District of Coquitlam (1924-1941), as a Member of the Legislative Assembly for the Dewdney riding (1941-1952), and as Minister of Mines (1946-1949) and Minister of Municipal Affairs (1949-1952). The records include speeches, newspaper clippings, election materials, and two large scrapbooks that were prepared by staff in his constituency office. The scrapbooks include newspaper clippings, photographs, invitations, programs, pamphlets, and other assorted records.