Immovable property tax is not a significant tax in terms of public finances in the Czech Republic. However, it completes tax system and ensures stable tax revenues which are income of municipalities on whose territory the property is located. In the context of theoretical approaches and empirical studies the importance of this tax is often discussed topic. The aim of this paper is to describe the development of immovable property tax arrears in the context of tax imposed. The position of the immovable property tax in terms of tax revenues of municipalities is also evaluated. Based on the research results the impact of arrears on municipalities´ revenue is identified. It can be stated that the petty tax arrears are not significant for the state, but in terms of minorities, may form a substantial part of the budget.