In recent years, much attention has been trained on Greater Boston’s tight housing market and the increasingly severe difficulty residents have finding affordable housing in the region. There is much less awareness of the very different challenge faced by residents of weak market neighborhoods, where housing is much less expensive but conditions are physically, socially, and economically challenging. Produced in partnership with the Massachusetts Association of CDCs, this report calls attention to Massachusetts’ “other housing problem.” The product of collaborative discussion among researchers, practitioners, and policymakers, it offers fresh thinking about how to strengthen and safeguard the older housing stock in these vital neighborhoods.