This mosque is located in beside of Kalvan Husseinieh and along the way which ends to Kalvan Gate. According to loval people, this mosque had been the fisrt jam’e Mosque of Naein in beginning Hijri centuries. The building of the mosque is very simple. There is just a columned shabestan which is repaired and reconstructed. There are some rooms and awnings also in the other three sides of the courtyard. There is a winter shabestan under the summer or upper shabestan which its photo is fulfilled by the contrived holes on the surface of the summer shabestan which are covered with marble stone. The access way to this shabestan is from the roofed alley which is located behind of the mosque. the building has two simple entrance gates.