"Due to the keenness of His Highness Sheikh Rashid bin Ahmed Al Mualla(mercy of Allah), to preserve the monuments and heritage in the emirate Emiri Decree No. (1) issued for 2000, in order to establish Antiquities and Heritage Department to promote its work as a body in charge of maintaining historic buildings and archaeological sites and to respect the heritage elements and to promote and educate the new generation about the importance of heritage, His Highness Sheikh Rashid parent - may God have mercy on him-, had directed to renovate ALHOSN and open it as a museum in 2000. Due to its importance in the hearts of Umm Al Quwain people, and its political importance as a government center and residence of the family, since building date goes back to 1768.
Based on directions and the care of His Highness Sheikh / Saud bin Rashid Amualla- member of the Supreme Council and Ruler of Umm Al Quwain to protect the historic archaeological sites in the emirate as a national treasure and a living witness to the region culture and history and his highness  support the department aimed  plans to  preserve the historical legacies of Umm Al Quwain, the department restored Falaj Al Mualla fort and mosque attached with , as the department is currently make an inventory of heritage buildings in the emirate and work on restoration.