After an initial period of financial instability, the club advanced steadily through the lower leagues until it earned promotion to the Bezirksliga Rhein-Saar in 1931, but only played for a single season at that level before descending again.

The combined squad was dissolved at the end of the conflict and SG Sandhausen was reestablished as an independent club late in 1945.

Negotiations held in late 2005 and early 2006 to merge Sandhausen with TSG 1899 Hoffenheim and FC Astoria Walldorf to create FC Heidelberg 06 were abandoned due to resistance to the idea on the part of both Sandhausen and Walldorf, and the failure to agree on whether the new side's stadium should be located in Heidelberg.

Bundesliga season in a relegation position but was saved when MSV Duisburg was refused a licence and played a much stronger[according to whom?]

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.