The slowdown in economic growth highlights the problem of developing tax capacity at various levels, therefore the article is devoted to the consideration of practical aspects of the assessment of the tax potential. On the example of the Belgorod region, trends in the development and increase of the tax potential were identified, measures of activation of the elements of the structure of the potential, which are essential for the budget, were proposed.The paper uses methods of comparative analysis, analysis of key indicators of tax and non–tax revenues. Conclusions are made on the need to prioritize areas for the development of tax capacity, to increase the region's independence and to create tax conditions for conducting entrepreneurial activity in the territory.