Purpose. The issue settlement of building production optimizing for contracting companies is an urgent task and is becoming more acute with regard to the current dynamic transformations in building market in context of Ukrainian regions. Methodology. The leading role of optimization models lies in discretization and modernization to organizational processes of building production for contracting companies, which are the basic structures for delivery of completed building projects. The study focuses on determination of need to optimize building processes and analysis of calculating concept the implementation efficiency of optimization models in contracting company. Findings. It has been considered the current state of domestic building market on the basis of analytical and statistical data; established that conjuncture of building markets has average, mainly low competitiveness indicators, there is a non-rhythmic development and formation of domestic building sector. Originality. Analytical and theoretical foundations were developed for actualization and conceptualization to implementation of optimization models and development of fundamentally new ones. Practical value. The theoretical and methodological foundations of analysis are scientific impetus to the practical formation of innovative approaches to organization of building production at the current stage of building market development in Ukraine.