The injustice of gentrification is often reduced to residential displacement and the loss of affordable housing. Yet, in addition to physical displacement of residents, gentrification also displaces community histories, social ties, and spaces of cultural gathering and civic action. The Neighborhood Story Project is a participatory action research intervention designed to engage residents of gentrifying neighborhoods in addressing more than the material effects of gentrification. This multi-case study of three Neighborhood Story Projects finds that participants experienced gains in (1) place knowledge and attachments, (2) social relationships, and (3) self and collective efficacy. Findings from this multi-case study suggest a broad practice model for group-level interventions to advance justice in gentrifying neighborhoods.