This paper examines the introduction of land-use planning requirements into the regularization process of informal settlements in areas designated as “conservation land” in Mexico City. Since 1997, the government has increasingly deployed digital technologies to map and track informal settlement in conservation land in order to select those eligible for reclassification as “residential land use”: a prerequisite for other stages in the regularization process, including property titling, access to urban services and subsidised loans for home improvements. We argue that the incorporation of land use planning into the discursive and material enactments of regularization…