Completed in the early part of the 20th century, the mosque was built in Qajar era and is adjacent to the Takht-e Foulad cemetery.

[1][2] Made out of bricks, the mosque has two doors and an entrance gate decorated with flower designs.

There are steps for the muezzin to climb onto the roof of the prayer hall, as the mosque has no minarets.

[2][1] Behind the entrance of the mosque, there is a secluded space which leads to a room that is the mausoleum for the Shi'ite clerics who belonged to the Kalbasi family.

[2][1] In the same hallway, there is a doorway on the left, which leads to a small room where the tomb of Roknolmolk himself and his wife are located.