Urban informality is one of the most hotly debated concepts in the fields of geography and urban studies. However, one narrative that has assumed hegemony and dominated conventional scholarship is the view that it is peculiar to the urban poor or subaltern group. In this paper, I contend that little to no empirical attention has been paid to an essential piece of the conceptual mosaic of informality. I reflect on housing informality by elites or upper-income urbanites and highlight its associated Janus-faced governance approach. I argue that the deliberate disregard and legitimization of elite informal developments pose crucial sustainability implications.