Realization of industrial parks is an extent capital activity, having significant economic, social and environmental aspects. Therefore it is very important to deal with the moods by which the harmonization of the mentioned three aspects of their realization is ensured in preparation and approval procedures of these investment actions. Foreign and our experience show, that environmental assessment of industrial parks is specific in comparison with traditional environmental assessment. The purpose of the aim is not realization of industrial parks but only construction of necessary traffic and technical infrastructure with draft of perspective production activities. An industrial park is founded on the basis of investment activities of lured investors that can be significantly different from expected production activities. An effort of primary investor of technical and traffic infrastructure is the most effective and rapid investment payback and his effort to localize the production activities recovering primary investments is dominant.