Tradition of collecting antiques in S. There are more than 150 years. At the initiative of Engineers. Jerka Bauer 29 March 1942nd in Sisak was established for "Museum and Library Sisak" with the purpose of "collecting historical art objects and design museum collections and libraries." On the occasion of the founding meeting was organized exhibition of objects that forms the core of the museum inventory. In 1951. Street King Tomislav number 10 decorated "Memorial locksmith shop" where Josip Broz Tito learned the trade and annexed to the City Museum. Based on the ruling of the Municipal Assembly of Sisak 15, December 1964. The merger comes to the City Museum and the Museum of the Revolution, and archives into a single museum institution - the Museum of Sisak. The Museum of January 1, 1965th to 31 prosinca 1967th year of the heritage, which includes the following municipalities and area municipalities Kutina, Ivanic Grad and Novska.

In line with this development and spatial extension Sisak Museum complex is formed as a local history museum with collections: numismatics with archaeological, ethnographic, cultural - historical, a gallery, a collection of the labor movement and the collection of the National Liberation War and socialist construction, and supporting activities: Conservator workshop, professional library and photo-appetite and photo lab. In accordance with the socio-political changes in 1990. The collections were combined: the labor movement, the National Liberation War and socialist construction and formed a collection of recent history and modernity. The new Statute and internal organization and work, the 1995th year changed its name to the City Museum of Sisak, and determined, and a new area of ​​its operation. Throughout the last fifty years of research, buying, gifts and donations were collected and expertly processed more than 25 000 items of museum inventory numbers. The museum is actively involved in the cultural and educational life of the city by organizing permanent and temporary museum and gallery exhibitions are accompanied by printed posters, catalogs and brochures, occasional lectures, conferences, and as a publisher and co-editor of several anthologies, monographs and calendars.