There is interesting! The mansion includes two interior, exterior and other parts. The mansion complex has 5 mansions, Sardar mansion, Mushir al-Dawla mansion, dining hall, pool house, Seyed Javadi mansion, and all kinds of art can be seen in this mansion. These arts include tiling, plastering, murals, calligraphy and exquisite decorations, as well as spatial divisions with various functions.

The existence of 7 inscriptions in this historical collection has added to its validity and importance. Of these inscriptions, one has an inscription on the front door of the carriage, and the other two inscriptions have been installed on the main entrance.

In this historical monument, the mansions of Divan Khaneh, Mushir al-Dawla mansion, Mushiri courtyard, backyard mansion, backyard, mansion in front of the carriage, dining room, courtyard of Seyed Javadi, mansion of Seyed Javadi, mansion in front of the sidewalk and crazy garden house are among the parts. They are considered to be the main building of Masoudiyeh and there are also new buildings in it.

Also, another important feature of the Masoudiyeh mansion in Tehran is that many of the country's cultural buildings were built in the Masoudiyeh mansion, one of which is the first national library and museum in Iran, which was created in a corner of this mansion. About the formation and history of the first library in this place, it is said that the Education Association used one of the mansion rooms as a library in 1304, and thus the first official library of Iran was formed and the library started its work. It was the cornerstone of the National Library. Masoudiyeh mansion is a building related to the Qajar period, which is located in Tehran's Baharestan Square. The garden of Masoudiyeh mansion was built by the order of Massoud Mirza, nicknamed Zol-e-Sultan, son of Nasser al-Din Shah, in 1295 AH, on a land with an area of ​​about 4000 square meters, composed of exterior (court house) and interior and other additions.

Masoudiyeh mansion along with Bagh Negarestan, Lalehzar Garden and Sardar Irvani Garden is one of the places that was built in the northern area of ​​Shah Tahmasbi fence in Tehran in the Naseri era and as it has the characteristics of Iranian gardens, it is decorated with motifs and elements of French architecture. The name of this mansion is derived from the name of Massoud Mirza and is known as Masoudiyeh and the architect of this building is Master Shaban Memar Bashi.

Masoudiyeh mansion complex includes 5 mansions of Divankhaneh, Sofrekhaneh, Hozkhaneh, Seyed Javadi mansion, Mushir al-Molki mansion and Sardar mansion, full of plastering, tiling, calligraphy, murals and in general exquisite decorations, spatial divisions and various functions. This historical complex has 7 inscriptions, two inscriptions on the main entrance, one inscription on the door of the carriage, two inscriptions in the mansion of the madhouse and two inscriptions in the mansion of Moshiria.