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Abstract The government-funded retreat of homeowners from flood-prone housing is a globally ascendant policy of climate adaptation. Yet, we still know relatively little about some fairly basic questions involving its participants: e.g. How much risk do homeowners tolerate before retreating? Where do they move? Does that move reduce their future flood risk? And, to what extent do answers to these questions vary by the type of racial and ethnic communities in which they live? To answer these questions, we combine novel address-to-address residential history data with future flood risk estimates and indices of local context to better understand how retreat is unfolding across the United States. Results indicate that, when voluntarily undertaken, retreat is a highly local process that yields notable reductions in household flood risk. These movements, however, are racially segmented, with homeowners in majority-White communities being more likely to stay in the face of higher risk and less likely to relocate to nearby areas that are not also majority-White. 

Abstract Flood risks are rising across the United States, putting the economic and social values of growing numbers of homes at risk. In response, the federal government is funding the purchase and demolition of housing in areas of greatest jeopardy, tacitly promoting residential resettlement as a strategy of climate adaptation, especially in cities. Despite these developments little is known about where people move when they engage in such resettlement or how answers to that question vary by the racial and economic status of their flood-prone neighborhoods. The present study begins to fill that gap. We introduce a new typology for classifying environmental resettlement along two socio-spatial dimensions of community attachment: (a) distance moved from one’s flood-prone home; and (b) average distance resettled from similarly relocated neighbors. Next, we analyze data from 1,572 homeowners who accepted government-funded buyouts across 39 neighborhood areas in Harris County, Texas – Houston’s urban core. Results indicate that homeowners from more privileged neighborhoods resettle closer to their flood-prone homes and to one another, thus helping to preserve the social and economic value of their homes; homeowners from less privileged areas end up farther away from both. Implications for understanding social inequities in government-funded urban climate adaptation are discussed.