In 1984, the city bought the office tower and the connecting wing with swimming pool and shop gallery for 32 million D-Marks.

[6] At the end of 2021, the city handed the building over to the buyer after the municipal offices located there had moved to the new Technical Town Hall near the main train station in the Glückstein quarter in the Lindenhof district.

One of the features of the BdA exhibition “Endangered Species – Preservation vs. Demolition” is a design by an architecture student in which she shows, as part of her master’s thesis, what a conversion of the office tower into a residential building could look like.

But of course we would like to see architects, investors and developers rethink their approach.” (Martin Hahn, State Monuments Office Stuttgart).

"Karl Schmucker created a number of important buildings in our city that have shaped the cityscape," said Cultural Mayor Michael Grötsch, praising the outstanding achievements of the architect Karl Schmucker and also his great construction commitment and his services in documenting the architectural history of Mannheim.

[18] In 2024, Deutsche Wohnwerte withdrew from the purchase, citing increased construction costs due to the corona pandemic and the Ukraine war, high interest rates for construction financing, but also project-related factors such as the required high number of parking spaces and the integration of rent-reduced housing in accordance with Mannheim's social quota.

It was built on the site of the Mannheim tram depot on Collinistrasse, which was closed in 1971, on the occasion of the 1975 Federal Garden Show and the associated urban development concept.