The title of this legal writing is legal certainty for the landowner in the development and
transmigration settlement area in Sorong Regency the Province of West Papua. The research was
aimed at identifying, reviewing and analizing whether the landowner in the development and
transmigration settlement area in Sorong Regency the Province of West Papua has acquired legal
certainty. The method of the research was the empirical legal research and the file obtained was
analyzed qualitatively. Based on the analysis, the researcher then drew the conclusion with the
inductive method. The result of this legal writing indicated that the transmigrant and population
which is not transmigrant in the development and transmigration settlement area has acquired legal
certainty in the form of a certificate of land. The researcher suggested the development and
transmigration, the land office and the notary in Sorong Regency should coordinate each other so
there there would be no transfer of the land as mentioned in article before ten years since the land
was registered for the population which is not transmigrant.