The town has its own railway station on the Munich-Regensburg line, and lies on Landesstraße (state road) 2350 between Freising and Moosburg.

Its boroughs are Amperhof, Asenkofen, Großenviecht, Kleinviecht, Niederhummel, Oberbach, Oberhummel, Oftlfing, Rast, Schmidhausen und Windham.

It belonged to the Landgericht (regional magistracy) of Kranzberg, in the Rentamt [bar; de; es] (financial administrative district) of Munich.

Until its 1803 secularization, the bishopric of Freising was the Langenbach district's most important landowner.

In 2009 the Langenbach train station received new, elevated platforms and a pedestrian underpass.