Data Catalog

• Owner Lot Line Dimensions

  District of Columbia —

  The dataset contains locations and attributes of owner lines with dimensions. The tax information (attribution) comes from the Office of Tax and Revenue's Public...

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  • ArcGIS GeoServices REST API
  • CSV
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  • GeoJSON
  • KML
  • 1 more in dataset

• Parcel Lots

  District of Columbia —

  These are lands still within the District of Columbia that has never been subdivided into either Record or Tax Lots through the two offices that manage land records...

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  • ArcGIS GeoServices REST API
  • CSV
  • ZIP
  • GeoJSON
  • KML
  • 1 more in dataset

• Land Boundary Change

  District of Columbia —

  This layer is derived from the Common Ownership Lots and represents property transactions as they’ve occurred since the implementation of the Vector Property Mapping...

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  • ArcGIS GeoServices REST API
  • CSV
  • ZIP
  • GeoJSON
  • KML
  • 1 more in dataset

• Parcel Lot Points

  District of Columbia —

  These are lands still within the District of Columbia that has never been subdivided into either Record or Tax Lots through the two offices that manage land records...

  • HTML
  • ArcGIS GeoServices REST API
  • CSV
  • ZIP
  • GeoJSON
  • KML
  • 1 more in dataset

• Common Ownership Lots

  District of Columbia —

  The common ownership lots is a single polygon layer that is built from various polygon feature classes of the District's Vector Property Mapping database including the...

  • HTML
  • ArcGIS GeoServices REST API
  • CSV
  • ZIP
  • GeoJSON
  • KML
  • 1 more in dataset

You can also access this registry using the API (see API Docs).

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