The museum is housed in a Council-owned building located at 49 Main Street, Ōtaki.

The building is a two-storied concrete building with polished wood floors, pressed steel ceilings and has a Heritage New Zealand Pouhere Taonga Category 2 listing.

[3] The Otaki Heritage Bank Preservation Trust was formed in 2003 with the goal of collecting, preserving and sharing Ōtaki's history through a programme of changing exhibitions of stories, images and other artefacts.

[4] In 2003, the Kapiti Coast District Council leased the building to the Trust and the Museum has occupied the premises since that time.

The Museum's collections include:[citation needed] The records and collection of the Otaki Historical Society are housed in the Museum.