The issue of development of integral indicator of efficiency of ICP is discussed in the research. The issue is discussed in term of construction of commercial apartment building in the form of state and private partnership. The analysis of theoretical works was carried out. The advantages and disadvantages of classic model are shown. The economic indicators and theindicator of participation are suggested to be introduced into classic model. The main dependences for particular indicators and integral indicator of efficiency of ICP are shown. The conclusion about necessity of carrying out the integral indicator of efficiency of ICP, in case of commercial apartment buildings and state and private partnership was done.