The residence, which also functioned as a private gallery, was luxuriously rebuilt and extended in 1894 according to plans by Hubert Jacobs and Gottfried Wehling.
[7] In 1898, on the occasion of the Malkasten's 50th anniversary, Oeder, Albert Flamm and Otto Erdmann received the Order of the Red Eagle 4th class.
[8] Around 1900, Oeder, together with Paul Clemen, Heinrich Lueg and Fritz Roeber, was one of the initiators of the Industrie- und Gewerbeausstellung Düsseldorf [de].
Oeder war Stifter der Fontänenskulptur Jröne Jong by Joseph Hammerschmidt in the middle of the Runden Weihers in Düsseldorf Hofgarten[9] the marble bench made by Rudolf Bosselt in the Schmuckanlage and the Goltsteinparterre in Goltsteinstraße.
His wife Thusnelde Oeder, involved in Düsseldorf's cultural life, was a member of the Rhenish Women's Club, founded in 1905 and chaired by Minna Blanckertz.