The original structure of the mosque dates from the 11th century AD, and there remains nothing but an ancient wall of this early monument today. The brick Seljuk Minaret of the mosque is, however, extant and its Kuffic inscription gives us the date 1120 AD. In the reign of Sultan Mohammad Khodabandeh Uljaitu, the Muslim Moghol Ilkhan, other structures were added to it, including an impressive ivan built in 1317 AD by the Damghani architect. Mohammad ibn Hossein, whose name has been inscribed in Masjid-e Jam'e as well as in the mihrab of the adjoining mosque.