The fonds consists of minutes, society filings, newsletters, lists of annual Directors, correspondence, and capital grant requests.

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 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 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 fonds consists of bound copies of The Tri-Cities Now, The Now, and the Coquitlam Now newspapers from 1984 to 2015 (1986 is missing), prints of photographs from 1991, copies of the newspaper on microfiche for various years, and photographs and contents of the newspaper on CD-ROM from 2007 to 2015.

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 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 materials related to Coquitlam Search and Rescue, as well as search and rescue materials from other organizations.

The fonds consists of records from the first graduation ceremony at Centennial School in 1967 as well as assorted certificates for academic achievement. The fonds also contains a photograph of the centennial totem pole as it was being painted in 1967.

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 records relating to Russell Hellard's volunteering initiatives in Coquitlam, including his participation in the Crime Prevention Committee, the Community Policing Committee, the Mundy Park Sub Committee, the Crime Prevention Society, the BC Summer Games, the Centennial Committee, Block Watch, Vandal Watch, Court Watch, among others. The fonds also includes personal and family records, including a collection of photographs from his service in Canada and Australia during the Second World War.

The Riverview Horticultural Centre Society was established as a non-profit organization in 1992 with the goal of preserving the remaining unique horticultural features of the Riverview Hospital site, which was returned to its hən̓q̓əmin̓əm̓ name in 2021: səmiq̓ʷəʔelə, or Place of the Great Blue Heron.In December 1992, the Riverview Horticultural Centre Society was founded with a mission, “to preserve and protect the Lands and Trees of the Riverview Hospital site as a community-oriented, financially-viable centre for horticultural, educational and therapeutic activities.” One of the most highly visible and essential elements of the Society’s work is to increase awareness of and advocacy for the site’s arboretum, natural environment and heritage buildings through free public tree walks. The Society also hosted an annual Treefest celebration for twenty-five years. Volunteers from the Riverview Horticultural Society, or the “Friends of Finnie’s” have also participated in “clean[ing] up the overgrowth on the steps and walls to show their unique beauty, and the craftsmanship that created them,” remov[ing] debris from flower beds, and plant[ing] old-fashioned perennials.

The fonds consists of correspondence, scrapbooks, minutes, research materials, maps, photographs, and slides.

The fonds consists of approx. 100,000 photographs (b&w and colour negatives) and contact sheets taken by photographer Paul VanPeenen between August 1991 and December 2001 for the Coquitlam NOW.

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

The fonds consists of one panoramic photograph and one postcard. The panorama depicts the students and teachers from Our Lady of Lourdes school posed in front of the school buildings and Our Lady of Lourdes Church. The postcard from 1908 is addressed to Miss Sadie Lougheed, Coquitlam BC.

The collection consists of colour photographs and negatives of the Miss Coquitlam Pageant and related events from 1986 to 1988. The photographs feature the donor, Deborah Smyth, who was Miss Congeniality in 1986. The collection also includes some news clippings and a VHS tape containing a recording of the 1986 Miss Coquitlam Pageant.

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

The fonds consists of minute books, a ledger book, loose minutes, correspondence, an insurance policy, financial statements 1932-1951, Annual Reports 1933-1950, loose meeting minutes 1953, and an empty membership book.

The collection consists of portraits taken of the May Queens and attendants from 1940 to 1962, as well as the Roll Book which provides the name of each girl in the photographs, including the list of names for the 1971 May Day celebrations for the British Columbia centennial.

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 7 b&w photographs depicting Westwood Racetrack during the late 1950s and early 1960s. The earlier photographs depict the Mud Runs that took place in 1959, prior to the track being paved. The photographs mainly feature Geoffrey Hortin as driver, however, one photograph shows Margaret Hortin leading the pack in a 'Powder Puff' race on September 11th, 1960.

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

The collection consists of records created by the Sports Car Club of BC and collected by Ken Haywood. The records include copies of the Year Books & Rosters from 1966 to 1969; two editions of the "Pit Pass" newsletter from 1968 and 1969; several Westwood Park passes for guests, drivers, and paddock; a "Pit Pass" bulletin regarding the funeral of Bob McLean; a pocket calendar of 1966 race dates for Westwood and assorted U.S tracks; a guest employee card from 1964 for Ken Haywood; a copy of Karting World magazine from 1965; a receipt for membership dues from the Sports Car Club of BC; and a business card for the Vice President of the Canadian Automobile Sport Clubs.

The fonds consists of several photographs including two class portraits from Our Lady of Fatima School (Grade 4 French from 1959-1960 and Grade 6 French from 1961-1962); a baseball team photograph of the SO Coquitlam Allstars from 1963; and a photograph of Fernand and Julienne Filiatrault with Father Gérard Leduc and Father Denomee Trenomme from Lady of Fatima Church.

The collection consists of two original photographs of the Coquitlam Football Club from 1910-1912. The collection also includes one copy print of the first photograph (C19.001) with typed annotations and two b&w copy prints of the second image (C19.002). The photographs include the names of the players as well as the names of the various trophies that appear in the photographs.

The Hoy-Scott Watershed Society fonds consists of the records created and received by the Hoy-Scott Watershed Society and reflects its hatchery operations, salmonid enhancement and environmental stewardship programs, events, and environmental advocacy initiatives in the larger Coquitlam Watershed.

The fonds consists of administrative records, reports, correspondence, event planning files, newspaper clippings, newsletters, publications, plans, a scrapbook, promotional materials, and photographs documenting the activities of the Hoy-Scott Watershed Society and the operations of the Hoy Creek Hatchery in Coquitlam.

The fonds was arranged into four series by the archivist. See the Physical condition and Arrangement note below for more information.

The collection includes materials related to motor sports and the Westwood Racing Circuit (programs, posters, magazines), as well as municipal election pamphlets, and one audio cassette containing different versions of Coquitlam's Centennial Song, "Coquitlam, My Town."