The estate is located at the entrance of Kurtatsch and was built in 1492.
It includes a large manor house with a tower, farm buildings, stables, a central courtyard, a chapel, and a fortified wall.
[1] In the middle of the 15th century, Heinrich Indermaur's daughter married Stephen Strele in Kurtatsch.
[2] Kaspar Indermaur built a Catholic chapel, dedicated to St. Anna, on the ground floor of the tower at Strehlburg.
Strehlburg was later owned by the von Fenner in 1763 and the Carli in 1841.