Preserving History or Property Values: Historic Preservation and Housing Prices in Washington, DC

Neighborhood historic preservation has been highly controversial in Washington, DC, as proponents claim it preserves valuable architecture and critics claim in increases unaffordability. Using a dataset of all residential and condominium property sales in DC between 1992 and 2019, I find that the effect of historic designation on property values within historic districts is heterogeneous. While residential property values increase by 9%, condominium prices fall by 6.3% after designation. This paper also uniquely controls for endogeneity—which arises if in response to rising housing prices, neighborhood groups seek historic designation—by researching the party that nominated each historic district