The said buildings are the Grand Hotel, the Godfather building, The OCH (Youssoufia habitat) building and the building called Ida Jina. The latter is located in Alsace-Lorraine area.
Built in 1920, Ida Jina consists of an apartment building and a craftsman’s workshop. Buildings adorn the streets of Allal Al Fassi (eg street Reitzer), Omar Slaoui (formerly rue Chapon Marcel) and Lieutenant Bergé. Made in 1928, these buildings represent the brilliant architectural designs of the 20s.
As for Godfather buildings, they represent an outstanding example of architectural program involving properties comprising not less than nine buildings arranged around a courtyard in the heart of Casablanca.
The Grand Hotel was made around 1910 and consists of a block of apartments and shops. It was among the first buildings at the former de la Gare Boulevard that became historical artery of the city. All three buildings of the Grand Hotel property is a fine example of architectural practice in the 1920s and particular characteristics in downtown.
The OCH building is located on the Ziraoui and Zektouni Boulevards. The building was designed in 1946 and was considered very modern at the time; this building is overbuilt featuring an intramural garden, parking, fire tanks. The interior design was given emphasis particularly on the circular staircase, the presence of remarkable Zelliges on poles, wrought iron gates, and so on.
The buildings which are now declared heritage are protected from any risk of demolition and the law protects them from works of alteration or extension. The owners or operators cannot make any changes without consulting the authorities and such request must be made at least six months before the work begins.