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Transforming DC Property Tax Data into Actionable Insights and Visual Presentations

This project explores the extensive data related to property tax sales in Washington, D.C., highlighting the importance of processing this data to gain valuable insights. Utilizing resources from CFO.dc.gov and the Internet Archive, we examine the tax sale mechanism, raw data on tax obligations, and the challenges in visualizing this information for the average resident. The goal is to create a user-friendly web platform that presents the tax sale data in an engaging and accessible way, benefiting the community and improving understanding of local tax obligations.

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Transforming DC Property Tax Data into Actionable Insights and Visual Presentations

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  1. DC Real Property Tax Sales Jennifer Hsu University of Maryland

  2. “There’s a lot of data out there. But hardly any of it has been processed and turned into insight.” —JaidevShergill Source: “Turning Data Into Money”, L. Burkitt, Forbes.com

  3. Background • Discovery of Tax Sale • Tax sale mechanism • Process

  4. Data Sources • Cfo.dc.gov publishes properties subject to tax sale each year in pdf format • Internet Archive (www.archive.org) sometimes saves a copy even when DC does not • Files are in a slightly different format each year

  5. Raw data • What is published is the tax owed on each property (square, suffix, lot), and owner of record • Not all lots can be mapped to the (completely wonderful!) GIS layers made available by dcgis.dc.gov • Summarized the tax obligation to the tax square

  6. Web-based? • How best to present data to, say, the average resident of DC? • Constraints: • Attention span • Variable technology • Accessibility • Visual Presentation

  7. All parcels up for sale, 2003-2009

  8. Final Product • Layers, raw data, credits will be published here: http://www.umiacs.umd.edu/~kobi/aag

  9. Thank You • DCGIS • Census Bureau • DC Tax Office • Internet Archives

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