It was converted into a mosque by the Izmit customs officer Kuru Ahmed Efendi, by adding a minbar.
In 1940, the mosque was decommissioned and after 20 years of ruin, it was rebuilt on its old foundations with the support of the public in 1962 and opened for worship in 1977.
Prominent Features:
Its founder, Canbaz Mustafa Bey, is buried in the mosque of the same name in Kocamustafapaşa.
The exterior of the mosque is made of stone, while the interior is covered with wood and tiles.
Its mihrab, minbar and preacher’s pulpit are made of white and colored marble.
There are two rows of rectangular windows on each wall.
The women’s gallery is built on four concrete pillars. There is a narthex.
The base of the minaret is old and seven-sided, made of cut stone, while the body is made of brick and the balcony is decorated with muqarnas (drop model).
In the adjacent graveyard, people of importance such as Seyyid Vehbi, the famous poet of the Tulip Period, and Keçecizâde İzzet Molla, one of the last representatives of Divan Literature in Turkish poetry, are buried.