Data Catalog

• Master Address Repository Viewer

  District of Columbia —

  The Master Address Repository (MAR) Viewer is part of the District's location services documented in Addressing in DC. It makes locating addresses or place name as...

  • HTML
  • ArcGIS GeoServices REST API

• DC Atlas Pro

  District of Columbia —

  DC Atlas Pro is a mapping tool that contains hundreds of different data layers, organized by category. DC Atlas Pro is the updated version of DC Atlas Plus, both of...

  • HTML
  • ArcGIS GeoServices REST API

• Police Service Area Details

  District of Columbia —

  A web map used for the Police Service Area Details web application.In addition to Police Districts, every resident lives in a Police Service Area (PSA), and every PSA...

  • HTML
  • ArcGIS GeoServices REST API

• Addressing in DC

  District of Columbia —

  The District of Columbia government uses the Master Address Repository (MAR) to implement intelligent search functionality for finding and verifying addresses, place...

  • HTML

• MAR Overview Presentation

  District of Columbia —

  The District of Columbia government uses the Master Address Repository (MAR) to implement intelligent search functionality for finding and verifying addresses, place...

  • HTML

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

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