Dalmuir Library could be moved within Dalmuir community centre under proposals to plug West Dunbartonshire Council’s £21.6 million budget gap.
Balloch, Duntocher, Parkhall and Faifley libraries also face being co-located or closed.
The Dalmuir library plans would free up £530,000 committed by the local authority to create a gallery space in the existing library and a further £700,000 set aside for building upgrades.