934 Acfred, Count of Carcassonne, donated the area of Moussoulens to the Abbey of St Jean de Mallast.
1175 Roger, Vicount of Carcassonne, allowed the inhabitants of Moussoulens to rebuild their village on the top of the mound, adding a fortress.
1194 Bernard de Mossolencs was one of the witnesses of the signing over of the Château of Ferran to the Abbey of St Jean Vallis Sicarij.
1261, March, The Seneschal of Carcassonne received four letters from the Inquisition. He was ordered to send the following: a sixth of the harvest, certain lands, "neighbours rights" and a ninth of the legal receipts collected from Moussoulens.
1355 November "Previous quarrels were quashed following the instruction of "the King's service and blood ties".
The "Black" Prince, having taken Castelnaudary, pillaged and burned the Château de Moussoulens.
The land and the domain of Moussoulens changed hands several times between 1296 and 1935 :
1st The Voisins family from 1296 to 1592
2nd The Saint-Jean family from 1592 to 1705 ;
3rd A branch of the Ducup family up to 1782 ;
4th A branch of the De Fournas de Fabrezan up to 1935 .
1935 The Château was bought by the Claustre family (father and grandfather of the present owners).
The interior of the Château was redesigned to create 8 rural gîtes. These contribute to the Château upkeep and help to perpetuate its role as a place of welcome.
The owners occupy the left wing.
They are vigilant in their aim to preserve and restore the Château's authenticity.
The Château of Moussoulens, after having been destroyed and pillaged in 1355, was rebuilt and has never since been unoccupied. To the South there is an undisturbed view of the low plaines and the Pyrenees. To the West, looking out over a cliff 40m. high, one can see over to Lauragais. The Château is a guardian to the North, protecting Cabardès and the "Black" Mountain areas. Part of the Château ramparts on the East and North sides can still be seen today. A barbican facing North is also visible.
In the archives, a bill for the provision of stones dated 1790 was found. These stones were used for the construction of the entrance to the central part of the Château and for the oven in the main wing on the ground floor, where the kitchen used to be.
A poem, written in 1790, mentions 2 towers at the Château of Moussoulens. The East tower has been lowered to roof level and the West tower has been incorporated into consequent extensions.
The carriage entrance was built in 1890.