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Baltimore Property Scraper

I used this code to scrape three databases for information about non-owner occupied property in Baltimore, in hopes of identifying entities which own a large number of vacant properties. Check out the blog post for a full explanation and important caveats.

I was inspired by the work at Baltimore Slumlord Watch. Kate Bladow suggested I tackle this project.


All of the data have been published to If you'd like to explore the data on your own I recommend loading non_owner_occupied_properties.tsv.gz into Google Refine.


Email me at or hit me up at @subelsky.


Licensed as Creative Commons. See LICENSE file for details.

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