The `` Neues Stadthaus '' , which survived the bombing and had formerly been the head office of Berlin 's municipal fire insurance `` Feuersozietät '' in Parochialstraße served as the temporary city hall for the post-war city government for all the sectors of Berlin until September 1948 .
The `` Neues Stadthaus '' , which survived the bombing and had been the head office of the Berlin city fire insurance company German : `` Feuersozietät '' in Parochialstraße was the temporary city hall for the post-war city government for all four sectors of Berlin until September 1948 .