Due to his degree of popularity and his leading role in numerous building projects under Joachim II, it can be assumed that Theiss also designed the Grunewald hunting lodge architecturally.
Durch seinen Bekanntheitsgrad und federführende Mitwirkung an zahlreichen Bauprojekten unter Joachim II., liegt die Vermutung nahe, dass Theiss das Jagdschloss Grunewald ebenfalls architektonisch gestaltete.