This work consists on an analysis about the process of interpretation of the urban property law. It seeks to define its contents and limits based on the totality of the constitutional values, particularly the social function of the property, the protection of the environment and social functions of the city. The text analyzes the compensations/reparations as a result of the environmental and urbanistic aspects of the property law, considering the harmonization of constitutional principles and the preservation of the essence of the fundamental rights. Besides the adoption of this constitutional methodology, it is also aimed the inclusion of green areas and cultural possessions as factors to be considered in the moment of giving compensations/reparations. In a broader perspective, the work also presents the possibility of applying urbanistic techiniques which will be able to guarantee the essential content of the urban property law and will make the right to the city accessible to all citizens.