The subject of the study is the peculiarities of pricing in the service sector, in particular the process of justifying the standard cost of developing a design project in the domestic pricing system. The object of the study is methods for justifying the cost of developing a design project, used in domestic design practice both in the development of projects financed by public funds and projects financed by a private investor. The purpose of the work is a comparative analysis of domestic methods to justify the cost of developing a design project. The authors consider such aspects of domestic pricing methods as the mathematical apparatus, the price level, basic and current, the possibility of using the methodology to justify the value of the cost when replicating a project or its processing by making minor changes to the parameters, the level of qualifications of development specialists, etc. The research methods used are induction and deduction, analysis and synthesis, the method of analogy, logical and historical analysis, scientific abstraction, comparison and classification, theorization, idealization, formalization, positive and normative analysis, verification. The practical significance of the research results lies in the analysis of existing methods of regulatory pricing in the field of design, in the formulation, within the framework of the study, of their advantages and disadvantages, in the development of directions for their improvement. The authors’ special contribution to the study of the topic of pricing in the field of design is the substantiation of the main direction for improving existing domestic methods – the symbiosis of methods of state regulation of pricing in design and recommendations developed by the professional community, which will improve quality by increasing the scientific validity of calculations and taking into account the specifics of the development of design projects.