The club was founded on 29 April 1946. They finished in 7th position in the 2007–2008 season while playing in the Third level Regionalliga. On the last day of the 2008–09 season, TSV Hartberg finished in first position of the Austrian Regionalliga East (third division). They won the eastern title and gained promotion to the 2009–10 Second Division. In the 2010–11 season they finished at 10th and bottom position but survived by winning the relegation play-off, and in the 2014–15 season they were relegated to the third division for finishing at the same bottom position.
TSV Hartberg were promoted to Second Division after winning the 2016–17 Regionalliga Mitte without having to compete in promotion play-offs as no team from the Regionalliga West or Ost applied for promotion.[1] In the 2017–18 Second Division season, TSV Hartberg finished second to be promoted to the Austrian Bundesliga for the first time in their history, following an appeal to be granted a "license to play" in First Division.[2] In the 2019–20 Austrian Bundesliga season, TSV Hartberg finished fifth to qualify to the 2020–21 UEFA Europa League qualifying phase. In the second qualifying round of the tournament the team lost to Polish Piast Gliwice and was eliminated from the competition.[3]
Stadion Hartberg is based in the Styria Hartberg district capital. It is a multipurpose sports facility, both for football matches and it is also suitable for athletics events. In addition, the stadium for other events such as music concerts. In 2006, the stadium of TSV Hartberg was expanded to that it could seat both home and away visitors with a capacity of 6,000 increasing from 4,500.[4][5]