[1] It opened its museum and research centre in the former Heidelberg Courthouse in 1979 and continues to operate these facilities with support from volunteer members.

The Old Heidelberg Courthouse was listed on the National Trust of Australia (Victoria) register in 1982 as it is 'an unusual example of Edwardian period architecture'.

The statement of significance draws attention to the 'high octagonal Court Room which has clerestory windows and a steeply pitched hipped roof (formerly slate), is surrounded by ancillary offices with a prominent entrance porch and door with a leadlight over'.

The Society collects objects, photographs, maps, business & community archives, audio-visual media, local newspapers, and electronic databases.

Recent exhibitions include: The Society is an advocate for heritage preservation in its locality[20][21][22] and works to acknowledge major civic and community milestones.

[23] It hosts public meetings at which guest speakers present information and ideas that are relevant to the history of the Heidelberg district.