About The Data

The reporters began with a database of roughly 100,000 campaign contributions in D.C. municipal elections since 2003. The reporters also obtained lists of property tax breaks and other annual subsidies granted by city officials in recent years. Contributions by developers receiving these incentives — including their affiliated companies, employees and family members — were then calculated. Connections between companies and their affiliates were made based on the addresses of the companies included, as well as documents such as legislative reports, court records and business registration files, and websites such as LinkedIn and OpenSecrets.org. The total value over time of each subsidy was calculated based on legislative and other city documents and in consultation with the D.C. Office of the Chief Financial Officer. The full list of developer contributions can be downloaded below. The tables have also been aggregated by project, developer and elected official or candidate.

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