Data Catalog

• DC Office of Tax and Revenue Real Property Assessment Map App

  District of Columbia —

  The DC Office of the Chief Financial Officer (OCFO), Office of Tax and Revenue (OTR), Real Property Tax Administration (RPTA) values all real property in the District...

  • HTML
  • ArcGIS GeoServices REST API

• Air Rights Lots

  District of Columbia —

  Air right lots are reflect a party’s right to construct an improvement above an existing area of land that is not owned by the constructor. They are a type of...

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

• Air Rights Lot Points

  District of Columbia —

  Air right lots are reflect a party’s right to construct an improvement above an existing area of land that is not owned by the constructor. They are a type of...

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

• Air Rights Lots (Historical)

  District of Columbia —

  Air right lots reflect a party’s right to construct an improvement above an existing area of land that is not owned by the constructor. They are a type of development...

  • 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).

Didn't find what you're looking for? Suggest a dataset here.