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 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 file consists of assorted photographs from various donors featuring Canadian Western Lumber Company reps at BC Children's Hospital; Port Coquitlam scenes; Theroux Family portraits; Lady of Lourdes school photographs; a Maillardville police detachment; May Day parades; social gatherings in Maillardville; and Maillardville's first restaurant.

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