The fonds consists of operational records of the Coquitlam Foundation, including financial records, photographs, minutes, lists of board members, copies of bylaws and correspondence.

The collection consists of photographs taken in the 1990s of the Tri Branch Co-Operative at 2860 Packard Avenue. The photographs depict the exterior of the building, residents in the common areas, and holiday celebrations.

The fonds consists of records of the Champagne family, who lived and worked in Maillardville. The fonds consists of both textual records and photographs.

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 collection consists of records accumulated by Shyla Seller during her time as a student at Parkland Elementary School, Como Lake Junior Secondary School, and Centennial High School. Records also relate to Shyla’s participation the Olympics of the Mind, a competitive academic event in which participants engage in challenges that test their creative problem solving skills. The collection also includes material related to and created by other members of the Seller family, as well as material related the Hol’n’ One Donut House chain, which was owned by Shyla’s grandparents Bill and Nina Seller.

The fonds consists of two scrapbooks and one wooden name plate. The scrapbooks were put together by Dr. Thomas G. Caunt, who worked at Crease Clinic and the Provincial Mental Hospital, Essondale, starting in 1935. He created the scrapbooks for his son and daughter as a record of his employment.

The scrapbooks detail significant moments of Caunt's medical career and personal life during 1934–1968, as well as various events at Essondale Hospital, including the installation of the BC Tel telephone exchange. A significant portion of the scrapbook documents the trips Caunt took in 1949-1950 to move geriatric patients to the new Homes for the Aged in Vernon (Dellview) and Terrace (Skeenaview).

The fonds consists of ephemera and newspaper clippings related to the creation and use of Minnekhada Park.

The fonds consists of three police log books dated 1914, 1915-1917, and 1918-1919. The log books contain handwritten reports regarding thefts, accidents, murders, assaults, suicides, tramps, and dog incidents. They also contain correspondence and newspaper clippings.

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.