Actual problems of evolution of reconstruction of city building of Petrozavodsk are considered. Evolution of city building from the organizational and constructive points of view is studied. It is noticed that the basic stage of reconstruction comes to the end to the XX-th century middle, in many respects as a result of necessity to compensate the destructions put by war whereas purposeful modernisation of a historical part of a city comes to an end in 70th of a XIX-th century.

Keywords: The building organisation; city reconstruction; management of the project