AbstractThe purpose of this study was to determine the form of land mastery byresidents to the railway control room land in the City of Surakarta and to knowthe rights that granted to residents who dominate the railway control room landin the City of Surakarta.This study includes in the non doctrinal legal research type or empirical legalresearch. Meanwhile, when seen from nature including in the qualitativedescriptive research, which is a study that describes the form of land masteryby residents the railway control room land in Surakarta region. In this studyused primary data and secondary data. Data collection techniques usingqualitative analysis with deductive and inductive thinking, a combination wasbased on three main components which include data reduction, datapresentation and conclusions.Based on research results can be known, that the mastery of railway controlroom land in the Surakarta region has been made since a long time and is donefor generations, and takes the form of land rent in writing between PT. KAIDAOPS 6 Yogyakarta and residents. Land rent between PT. KAI DAOPS 6Yogyakarta and land tenants performed for a year, and will be extended if ithas not been used for theactivity of PT. KAI. The landtenant rights is PTKAIobligation as weil as the obligations ofthe land tenant is the right ofPT KAIDAOPS 6 Yogyakarta. As fcr the rights ofland tenants are inaccordance withthe tenant rights in generally that accepted the land in accordance with theagreement, it is stipulated in the agreement made between the PT KAI Daops 6Yogyakarta and the land tenant.Suggestions, should be made the rules that particularly regulate about the landrent because during this time is nodetail provision in the UUPA.Keywords: land mastery, railway control, surakarta