According to the inscription on the porch of Jame Mosque, this building was built in 796 AD ordered by Amir Jamshid Ghareni. Thus, Qaen Mosque is among the works built in the late Ilkhani era and the early Timurid era. This work has some components such as courtyard, veranda, porch, rooms, entrance, stairway landing and sun clock. Mosque porch is the most characteristic architectural elements. The major decorations used in the building include front porch brickworks, painting on the interior surfaces of portico and decorations used in its dual altars.