Data Catalog

• MAR Address Standards

  District of Columbia —

  This Address Standards document has been developed to describe the addressing standards used for the Master Address Repository (MAR). The MAR is DC Government’s...

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• MAR Frequently Asked Questions

  District of Columbia —

  The MAR allows the District Government to more easily compare information across databases and agencies. Learn more about the MAR with these frequently asked questions.

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• MAR 2.0 Data Dictionary

  District of Columbia —

  The Master Address Repository (MAR) 2.0 is the successor to the Master Address Repository. The Master Address Repository is a complex and widely accessed database that...

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• MAR Address Anomalies

  District of Columbia —

  An address anomaly is an address whose ___location is illogical. In other words, the address does not follow the normal rules of the District of Columbia’s (DC)...

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• 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...

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