Parcels 100% open

Washington, DC

What data is expected?

Parcel data is data on the geographic boundaries of property. Parcels are the most specific units of geodata that governments maintain. Because of their granularity, parcel data can be used for very detailed maps, visualizations, and all kinds of applications. (More info)

  • Parcel boundaries

How open is the data?

All answers

Question Answer Comment
Openly licensed Yes
Available in bulk Yes District of Columbia parcel data is comprised of numerous geographies including federal lands, DC lands, personal property, air rights and more. All are accessible individually however the Common Ownership Lots layer is considered a good primary source to begin working with.
Up-to-date Yes
Available free online Yes Freely available however option to create an ArcGIS Online account in order to build web maps using ArcGIS Online.
Available free of charge Yes Freely available however option to create an ArcGIS Online account in order to build web maps using ArcGIS Online.
In an open format CSV, GeoJSON, KML, SHP Also available as GeoService and OGC WMS
findable 4
findable_steps Search either keywords: lots, parcels, property, vector property mapping.
licence_url https://creativecommons.org/licenses/by/4.0/
Collected by government Yes
usability 3
collector_name Government of the District of Columbia Shared by the DC Office of the Chief Technology Officer who administers http://opendata.dc.gov
characteristics Parcel boundaries
location http://opendata.dc.gov/pages/lots-in-dc - District of Columbia Open Data DC, http://opendata.dc.gov/datasets/common-ownership-lots - District of Columbia Open Data DC DC's complex urban environment includes numerous geographies that identify federal government lands, reservations, District lands, personal property and so much more. This Open Data DC site helps identify how DC lot data is organized and key points on their relationships. The Common Ownership Lots is considered a primary dataset to begin working with. The layer is built from the various lot types in the District. The common ownership dataset is conflated by Square, Suffix and Lot to include: Air Rights, Record, Parcel, Tax and Reservation lots. Some Parcels and Reservations fall outside of a Square’s boundary.

Meta data

Data location   http://opendata.dc.gov/pages/lots-in-dc - District of Columbia Open Data DC
   http://opendata.dc.gov/datasets/common-ownership-lots - District of Columbia Open Data DC
Data licence   https://creativecommons.org/licenses/by/4.0/
Data format   CSV, GeoJSON, KML, SHP
Reviewer   Alexandre Santos
Submitters   Alexandre Santos
Last modified   Fri Feb 23 2018 21:22:14 GMT+0000 (UTC)