You can find the Commandant's House between Naryshkin Bastion and Peter and Paul Cathedral. The first such building was built in 1704, it was a very simple wooden house that served only as a dwelling. However, in the 1740s, the current commandant of the fortress Stepan Ignatiev achieved the construction of a new stone building, the architectural design of which resembled Gostiny Dvor. At the same time, an additional service wing, also made of stone, appeared.

Ignatiev's house served as the basis, but in the future it was rebuilt several times. Finally, at the end of the century before last, the building acquired its current appearance. In addition to the commandant's chambers, there is also a house church, several offices and state halls, in one of which the verdict was pronounced against the rebellious Decembrists.

During the October Revolution, the headquarters of the Military Revolutionary Committee was located in the commandant's house.