The article analyses system issues of the investment and construction complex under crisis conditions. Factors that have the effect on preference of this or that form of relations between members of the investment and building complex are not fully determined. The need in evaluation of construction risks and in taking measures for their decreasing is explained. It has been stated that the investment and building complex as the system consists of functional, institutional and industrial elements. Conclusions obtained may be used during development of anti-crisis measures for the investment and construction complex.