Part of the castle is the oldest building in Zug. The Counts of Lenzburg, Counts of Kyburg, and Counts of Habsburg have used the castle. Local owners have included the Eberhart, Zurlauben, Wickart, Letter, Brandenberg, Landtwing, and Kolin families. 
The castle was purchased by the municipality of Zug in 1945 from the Hediger family and later renovated in 1982. Recently the castle contained the Zug town and cantonal museum's permanent collection along with other exhibits. As of 1 October 2012[update], the museum is closed for refurbishment and will re-open in November 2013 with a new permanent collection.
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