This paper examines neighborhood decline and takes up the larger issue of formulating a strategy for regrowth. A case study of Marseille France highlights this strategy along with possible criteria for policy transfer to American cities. The strategy is designated by the author as High-Intensity Concentrated Area Development (HICAD). The HICAD strategy differs from those used in the United States and employs five basic ideas—selection, pressure, magnification (connectivity), leverage and a holistic perspective. HICAD proved to be transformative in Marseille. Over the course of 15 years it brought back densities, increased employment, rebuilt infrastructure and renewed a community. HICAD is also portable and may be used in conjunction with other strategies currently applied in American cities. Notwithstanding these benefits the strategy gives rise to issues of social equity. The French experience also enables us to understand that urban decline may differ in cause and consequence. Accordingly the strategic responses will also vary.