Castle in Toszku was probably built in the tenth century. In the twelfth century, was established here Castellan, which certify records of 1222, and the subsequent listing of three castellans: James, Jaksa and Zwigora. Stone castle was built at the turn of the fourteenth and fifteenth century, when built perimeter walls surrounding the irregularly fairly large area of ​​the plateau of the hill. From the north and west ran perpendicular to each sections of the wall, and on the south and east courtyard was closed wall running along the arc. The entrance led from the east, where he dug a moat was bridged over it. The gate was placed in the extended considerably towards the moat przedbramiu. Other buildings were then probably wooden. Castle for a time was the seat of the dukes of the Piast Opole line, who ruled from here udzielnym principality.

During the Hussite invasion of the castle was damaged in 1429 years, but overhaul lived only in the second half of the fifteenth century, when it belonged to the Duke Przemysław of Oświęcim. In the sixteenth century it belonged to the Habsburgs and then Redern. In 1570 the castle erupted fire that destroyed much buildings. Redernowie undertook the development of assumptions in the Renaissance style. It was created when adjacent to the entrance gatehouse south house with two cylindrical towers. In place of the old entry erected a new building with a vestibule entrance. Entering further strengthened small bailey surrounded by a wall with four bastions - two on the corners and two at the new gate.

When in the seventeenth century Toszek passed in the Colonna family they extended the period 1650-1666 Redern residence. From the outside, they dostawili to the walls of the castle from the west residential building, and to the south the castle stables. The new building on the corners of the courtyard had czterokondygnacjowe square towers, one of which has survived to this day. Also, the building gatehouse dostawiono two towers. To one of the bastion at the entrance to the bailey was built another small building housing the apartment burgrave now.

When in 1811 a fire destroyed the buildings, the castle was completely abandoned, and the owners moved to "the lower court." For over 100 years the remains of the castle decay, in 1927, the first architectural study took Bodo von Ebhardt, but only after the Second World War 1956-1963 part of the buildings were renovated, and the remaining walls were secured as a permanent ruin.