1922 built the church together with the wooden goods works präg gmbh in präg the e-werk wacht, which then supplied the wood works and all residents of the community with electric energy. 1934 four independent municipalities of bernauer valley, bernau-innerlehen (with riggenbach and schwendele), hof, bernau-dorf with goldbach and bernau-except feudal united (with the imperial house, altenrond, oberlehen, gass, unterlehen and weierle) to the community bernau. since then the town was essentially unchanged, using the baden-württemberg territorial reform in the 1970s away. the renaming in "bernau im schwarzwald" was carried out on 1 january 1999.