A synagogue ("Judenschule") is mentioned already in 1789. The street where it was located is still called Judengasse today. The synagogue was leased to Lazarus Jacob for residential purposes in 1902 and auctioned off for 1,900 marks in 1907. The rituals and the Torah scrolls were moved to Kusel. The building still stands and is used as a residence. In the neighboring building, the remains of a mikvah were found during renovation work in the 1960s.

Last use: residential

In 1805 Jacob Elkan established a synagogue (prayer hall) in his private house. Until his death, the services of the Jewish families in Weimar were held in this private synagogue. Above the decorated entrance door of the building are the intertwined initials "J.E." for Jacob Elkan.