Introduction. Having the main problem of flooding, design of architectural transformation aligned with “Citarum Harum” government plan to improve the watershed is needed. This plan will occupy an area of 3.4 hectares in RW 14, Citeureup Village, Dayeuhkolot. The form of transformation is carried out in the form of the creation of a combination of low-rise social house, mosques, public areas, and social and public facility.