 Remaining in the down-sized "Reichswehr" after the end of the war in November 1918, during 1919 Leeb served as a staff officer with the 4th Bavarian Field Artillery Regiment, the Detachment Hierl (Freikorps), the 24th Reichswehr Brigade, Niederwerfung des Spartacus Aufstandes in Bavaria, before a posting to the German War Ministry (1 October 1919 – 1 October 1921), an artillery regiment (1 October 1921 – 1 October 1924), and the War Academy (7th Division) in Munich (1924 - 1 October 1928).He was promoted to Major on 1 February 1925.Between 1929 and 1933, Leeb served as commander of the Mountain Transport and Observation Squadron in Landsberg.