 In the course of administrative restructuring in Rhineland-Palatinate, Glan-Münchweiler became the seat of a "Verbandsgemeinde" in 1972 into which both the municipality's current centres were grouped.Steinbach am Glan had already been newly formed on 7 June 1969 from the municipal areas of Frutzweiler and Steinbach as part of this administrative restructuring.In 2005, a new building area was opened.