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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    MAR Web Services

    Metadata Updated: March 25, 2026

    The MAR is a SOAP web service with multiple geocoding and address verification operations. This page includes information and examples for using the MAR to look up information about locations within DC through a code based querying interfaces.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: Creative Commons Attribution

    Downloads & Resources

    Dates

    Metadata Created Date April 30, 2024
    Metadata Updated Date March 25, 2026

    Metadata Source

    Harvested from DC data

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 30, 2024
    Metadata Updated Date March 25, 2026
    Publisher City of Washington, DC
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=e1897aac41cc4af8ab4da72ae39a73bc
    Data First Published 2021-05-04T20:20:51.000Z
    Data Last Modified 2026-03-18T16:38:32.000Z
    Category geospatial
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 1fa51348-1baa-406f-a59e-6284002eabc3
    Harvest Source Id b05f955a-65d6-4288-9558-15a5ebc74e36
    Harvest Source Title DC data
    Homepage URL https://opendata.dc.gov/pages/DCGIS::mar-web-services-1
    License https://creativecommons.org/licenses/by/4.0
    Metadata Type geospatial
    Old Spatial -77.2258,38.7867,-76.8125,39.0009
    Source Datajson Identifier True
    Source Hash 759e4ca10cc5c64d5ceebde136d1d42dc88f941129d1547d254ec9339780f76b
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -77.2258, 38.7867, -77.2258, 39.0009, -76.8125, 39.0009, -76.8125, 38.7867, -77.2258, 38.7867}

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