The Board of Trustees of Hazrat Sajjad (AS) Mosque and Astan Quds Razavi approved the implementation of the library at Hazrat Sajjad (AS) Mosque in February 2005 in a space with an infrastructure of 150 square meters. 
Establishing this library aims to bring patrons and those interested in books and book reading to a cultural and healthy environment filled with spirituality within the spiritual atmosphere of the mosque.
Researchers, students, and those interested in studying are served by this library, which has a capacity of 100 people per day and has over 13,000 volumes of books in various sciences.
There are more than 7500 members of this library. Interested people can access the library of educational CDs along with the required book. The Library of Hazrat Sajjad Mosque features two reading halls, a press hall, and a reference hall.
Opening hours 
Saturdays- Thursdays: 7.15- 19.00 
Evenings: for men
Address: Inside of the Hazrat Sajjad (AS) Mosque, Corner of Sajjad 21 (Amin Street), Sajjad Blvd. 
Phone: 051- 36097737