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

    MAR Web Services

    Metadata Updated: September 3, 2025

    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 September 3, 2025

    Metadata Source

    Harvested from DC data

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 30, 2024
    Metadata Updated Date September 3, 2025
    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 2025-08-29T18:53:46.000Z
    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 d478406f-f787-4ca2-bb49-18c8701b6816
    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 191c8e8c42cee94cc3285e15e63c7c2dd6897ec336887a6d20841c07cb64a8d6
    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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