100+ datasets found
  1. d

    Basemap of DC

    • catalog.data.gov
    • opendata.dc.gov
    • +1more
    Updated Feb 4, 2025
    + more versions
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    City of Washington, DC (2025). Basemap of DC [Dataset]. https://catalog.data.gov/dataset/basemap-of-dc
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    Dataset updated
    Feb 4, 2025
    Dataset provided by
    City of Washington, DC
    Area covered
    Washington
    Description

    The DC Basemap provides a reference map for the District of Columbia projected in Web Mercator. Access the ArcGIS Rest endpoint. The basemap utilizes the most current planimetric and reference data available and represents the real world with foundation map layers derived from base data collection done in 2023.The service is provided by the Office of the Chief Technology Officer.

  2. a

    DC Office of Tax and Revenue Real Property Assessment Map App

    • hub.arcgis.com
    • opendata.dc.gov
    • +2more
    Updated Sep 8, 2016
    + more versions
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    City of Washington, DC (2016). DC Office of Tax and Revenue Real Property Assessment Map App [Dataset]. https://hub.arcgis.com/datasets/9a5c11c11dd347cc9c05d64499cc98ee
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    Dataset updated
    Sep 8, 2016
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    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 of Columbia. This public interactive Real Property Assessment map application accompanies the OCFO MyTax DC and OTR websites. Use this mapping application to search for and view all real property, assessment valuation data, assessment neighborhood areas and sub-areas, detailed assessment information, and many real property valuation reports by various political and administrative areas. View by other administrative areas such as DC Wards, ANCs, DC Squares, and by specific real property characteristics such as property type and/or sale date. If you have questions, comments, or suggestions regarding the Real Property Assessment Map, contact the Real Property Assessment Division GIS Program at (202) 442-6484 or maps.title@dc.gov.

  3. d

    Zoning Map for DC

    • catalog.data.gov
    • opendata.dc.gov
    • +2more
    Updated Feb 5, 2025
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    City of Washington, DC (2025). Zoning Map for DC [Dataset]. https://catalog.data.gov/dataset/zoning-map-for-dc
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    Dataset updated
    Feb 5, 2025
    Dataset provided by
    City of Washington, DC
    Area covered
    Washington
    Description

    The interactive zoning map allows users to determine the zoning classification for any property in the District. Users can search zoning by specific address, square and lot, parcel, Zoning Commission (ZC) case, or Planned Unit Development (PUD), where applicable. Users can select different layers of data to display on the map, and can print reports for any selected property. Users should note that when searching for a PUD, the ZC case name and ZC case number reflect the most recent case name and case number associated with the PUD. If you have questions, comments, or suggestions regarding the zoning map, contact the Office of Zoning at (202) 727-6311 or dcoz@dc.gov.

  4. a

    DC Real Property Finder

    • hub.arcgis.com
    • opendata.dc.gov
    • +1more
    Updated Apr 4, 2017
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    City of Washington, DC (2017). DC Real Property Finder [Dataset]. https://hub.arcgis.com/app/DCGIS::dc-real-property-finder
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    Dataset updated
    Apr 4, 2017
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    Property and parcel data is a critical layer to any city or statewide data holdings. In our city's complex urban environment, this includes numerous geographies that identify federal government lands, reservations, District lands, personal property and so much more. Use this application to query and identify boundaries including,Property LotsLot DimensionsCondo DataTax AssessmentsZoningSquaresThe District's Vector Property Mapping (VPM) project works daily to capture property lot transactions so that city planners, business development leaders and residents stay current.

  5. d

    Basemap of DC in Light Gray

    • opendata.dc.gov
    • catalog.data.gov
    Updated Mar 1, 2016
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    City of Washington, DC (2016). Basemap of DC in Light Gray [Dataset]. https://opendata.dc.gov/maps/DCGIS::basemap-of-dc-in-light-gray
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    Dataset updated
    Mar 1, 2016
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The Light Gray DC Basemap provides a reference map for the District of Columbia projected in Web Mercator. Access the ArcGIS Rest endpoint. The basemap utilizes the most current planimetric and reference data available and represents the real world with foundation map layers derived from base data collection done in 2023. The service is provided by the Office of the Chief Technology Officer.

  6. d

    Historical ROW Maps

    • catalog.data.gov
    • opendata.dc.gov
    • +3more
    Updated Feb 5, 2025
    + more versions
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    City of Washington, DC (2025). Historical ROW Maps [Dataset]. https://catalog.data.gov/dataset/historical-row-maps
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    Dataset updated
    Feb 5, 2025
    Dataset provided by
    City of Washington, DC
    Description

    Right of Way Scan. Right of Way Distribution Maps, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Scans provided by DDOT identified rights of way locations which were best fit to road planimetrics.

  7. d

    Address Points

    • opendata.dc.gov
    • adoptablock.dc.gov
    • +4more
    Updated Jan 1, 2003
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    City of Washington, DC (2003). Address Points [Dataset]. https://opendata.dc.gov/datasets/address-points
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    Dataset updated
    Jan 1, 2003
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The dataset contains locations and attributes of address points, created as part of the Master Address Repository (MAR) for the Office of the Chief Technology Officer (OCTO) and Department of Buildings (DOB). It contains the addresses in the District of Columbia which are typically placed on the buildings. Visit opendata.dc.gov/pages/addressing-in-dc#documentation for more information on the MAR.

  8. d

    Zip Codes

    • catalog.data.gov
    • opendata.dc.gov
    • +3more
    Updated Feb 4, 2025
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    US Postal Service (2025). Zip Codes [Dataset]. https://catalog.data.gov/dataset/zip-codes-9b9fd
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    Dataset updated
    Feb 4, 2025
    Dataset provided by
    US Postal Service
    Description

    Zip Codes (5-digit). The dataset polygons represent location and attributes of zip codes, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Zip Codes were identified from public records (US Postal Service) and created selecting arcs from the street centerlines and vector property map.

  9. d

    DCGIS Data Archive February 2007

    • catalog.data.gov
    • gimi9.com
    • +1more
    Updated Feb 4, 2025
    + more versions
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    D.C. Office of the Chief Technology Officer (2025). DCGIS Data Archive February 2007 [Dataset]. https://catalog.data.gov/dataset/dcgis-data-archive-february-2007
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    Dataset updated
    Feb 4, 2025
    Dataset provided by
    D.C. Office of the Chief Technology Officer
    Description

    The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The data consists of the GIS mapping layers and are exported as shapefiles. The date format in the named is "Archive_YYYYMMDD."

  10. d

    DC Estimated Trees

    • catalog.data.gov
    • s.cnmilf.com
    • +5more
    Updated Feb 5, 2025
    + more versions
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    City of Washington, DC (2025). DC Estimated Trees [Dataset]. https://catalog.data.gov/dataset/dc-estimated-trees
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    Dataset updated
    Feb 5, 2025
    Dataset provided by
    City of Washington, DC
    Area covered
    Washington
    Description

    Dataset estimates location and size of trees in the District of Columbia that are not managed by the Urban Forestry Division (https://opendata.dc.gov/datasets/urban-forestry-street-trees/explore). Trees are modeled using an automated feature extraction process applied to 2022 LiDAR data. All data is an estimate, and intended for general representation purposes. DC 2022 LiDAR was used and processed using the “Extract Trees using Cluster Analysis” script which is included as part of Esri’s 3D Basemap solution. All LiDAR-derived trees within 2 meters of a Urban Forestry Division tree were removed as being duplicates. Tree diameter (DBH, in inches) was estimated for the LiDAR-derived trees from calculated tree height (in feet) based on the equation: DBH = 0.4003*height - 1.9557. This equation was derived from a statistical analysis of a detailed park inventory tree data set and has an R^2 = 0.7418. Extreme outliers were also modified, with any DBH larger than 80 inches being converted to a DBH of 80 inches.

  11. v

    DC OTR: Real Property Assessment Districts, DCRA Historic Subdivision...

    • anrgeodata.vermont.gov
    Updated Jan 9, 2019
    + more versions
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    City of Washington, DC (2019). DC OTR: Real Property Assessment Districts, DCRA Historic Subdivision Boundaries, and Common Neighborhood Vicinity Labels [Dataset]. https://anrgeodata.vermont.gov/maps/58e9eb858ebf4653aa70cbbbb473d804
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    Dataset updated
    Jan 9, 2019
    Dataset authored and provided by
    City of Washington, DC
    Area covered
    Description

    The main purposes of this online map are 1. to demonstrate the Web-Based Geographic Information System (GIS) in the District of Columbia Office of Tax and Revenue (OTR) Real Property Tax Administration (RPTA), and 2. to share detailed real property data and information to real property owners, the public, and other government entities. The rich map and interactive application include relevant real property valuation contributing map layers, links to original source agencies, and a variety of search, query, and analysis options to meet the needs of a wide user base. The location and links to the original DC Boundary Stones add a fun, historical,and educational component.The Office of the Chief Financial Officer, DC Office of Tax and Revenue (OTR), Real Property Assessment Division values all real property in the District of Columbia. The public interactive online DC Office of Tax and Revenue Real Property Assessment Lot Map Search application accompanies the OTR Tax Payer Service Center and may be used to search for and view all real property, related assessment areas, assessment data, and detailed assessment information.

  12. a

    Owner Lot Line Dimensions

    • datahub-dc-dcgis.hub.arcgis.com
    • opendata.dc.gov
    • +4more
    Updated Jan 1, 2005
    + more versions
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    City of Washington, DC (2005). Owner Lot Line Dimensions [Dataset]. https://datahub-dc-dcgis.hub.arcgis.com/datasets/owner-lot-line-dimensions
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    Dataset updated
    Jan 1, 2005
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The dataset contains locations and attributes of owner lines with dimensions. The tax information (attribution) comes from the Office of Tax and Revenue's Public Extract file. The creation of this layer is automated, occurs weekly, and uses the most currently available tax information. The date of the extract can be found in the EXTRACTDAT field in this layer.

  13. d

    Hotels

    • catalog.data.gov
    • opendata.dc.gov
    • +4more
    Updated Feb 4, 2025
    + more versions
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    Office of the Chief Technology Officer (2025). Hotels [Dataset]. https://catalog.data.gov/dataset/hotels
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    Dataset updated
    Feb 4, 2025
    Dataset provided by
    Office of the Chief Technology Officer
    Description

    The dataset contains locations and attributes of Hotels, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. A database provided by the DC Taxi Commission (DCTC) and research at various commercial websites identified Hotels and DC GIS staff geo-processed the data.

  14. d

    DDOT Central Business District

    • opendata.dc.gov
    • catalog.data.gov
    • +3more
    Updated Feb 27, 2015
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    City of Washington, DC (2015). DDOT Central Business District [Dataset]. https://opendata.dc.gov/maps/DCGIS::ddot-central-business-district
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    Dataset updated
    Feb 27, 2015
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The DC Central Business District is a large commercial district and major regional employment hub with a mix of office, retail, hospitality, residential, and cultural and entertainment uses in the heart of Washington, DC. Bicycles are not permitted on sidewalks within the central business district.

  15. d

    Washington DC Boundary

    • catalog.data.gov
    • opendata.dc.gov
    • +1more
    Updated Feb 4, 2025
    + more versions
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    D.C. Office of the Chief Technology Officer (2025). Washington DC Boundary [Dataset]. https://catalog.data.gov/dataset/washington-dc-boundary
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    Dataset updated
    Feb 4, 2025
    Dataset provided by
    D.C. Office of the Chief Technology Officer
    Area covered
    Washington
    Description

    District of Columbia boundary. The dataset is a polygon representing the District of Columbia boundary, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. The boundary was identified from public records and heads-up digitized using a combination of the 1995 orthophotographs, planimetric roads features, and the USGS digital raster graphic quad sheets, and 1999 planimetrics for the Potomac River boundary.Also see the District's Boundary Stone markers.

  16. g

    DCGIS Data Archive May 2013 | gimi9.com

    • gimi9.com
    Updated May 15, 2013
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    (2013). DCGIS Data Archive May 2013 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_dcgis-data-archive-may-2013/
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    Dataset updated
    May 15, 2013
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The data consists of the GIS mapping layers and are exported as shapefiles. The date format in the named is "Archive_YYYYMMDD."

  17. a

    DCGIS Data Archive March 2006

    • hub.arcgis.com
    • catalog.data.gov
    Updated Sep 24, 2018
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    City of Washington, DC (2018). DCGIS Data Archive March 2006 [Dataset]. https://hub.arcgis.com/documents/de109ff2a4f1476bbb0ca99c354b684a
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    Dataset updated
    Sep 24, 2018
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The data consists of the GIS mapping layers and are exported as shapefiles. The date format in the named is "Archive_YYYYMMDD."

  18. d

    Wards from 2022

    • opendata.dc.gov
    • datasets.ai
    • +4more
    Updated Jan 6, 2022
    + more versions
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    City of Washington, DC (2022). Wards from 2022 [Dataset]. https://opendata.dc.gov/datasets/wards-from-2022
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    Dataset updated
    Jan 6, 2022
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The dataset contains polygons representing boundaries of District of Columbia 2022 election Wards. Boundaries include Census 2020 demographic data for population, age, race and housing. In the United States Census, Wards are the area name-Legal Statistical Area Description (LSAD) Term-Part Indicator for the District of Columbia.

  19. d

    Street Right of Way Polygons

    • catalog.data.gov
    • opendata.dc.gov
    • +2more
    Updated Feb 4, 2025
    + more versions
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    D.C. Office of the Chief Technology Officer (2025). Street Right of Way Polygons [Dataset]. https://catalog.data.gov/dataset/street-right-of-way-polygons
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    Dataset updated
    Feb 4, 2025
    Dataset provided by
    D.C. Office of the Chief Technology Officer
    Description

    Street right of way polygons are public spaces along the DC managed street segments. A database provided by DDOT identified ROW locations from authoritative source documentation including DDOT surface maps, ROW distribution cards, Subdivision Books in the DC Surveyor's Office, Survey Books, King Plats, Record Books, Street Extension Maps, County Maps, AT Map Books, Wall Books and Wall Reports.

  20. g

    DC Office of Tax and Revenue Real Property Assessment Map App | gimi9.com

    • gimi9.com
    Updated Jul 26, 2022
    + more versions
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    (2022). DC Office of Tax and Revenue Real Property Assessment Map App | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_dc-office-of-tax-and-revenue-real-property-assessment-map-app/
    Explore at:
    Dataset updated
    Jul 26, 2022
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Washington
    Description

    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 of Columbia. This public interactive Real Property Assessment map application accompanies the OCFO MyTax DC and OTR websites. Use this mapping application to search for and view all real property, assessment valuation data, assessment neighborhood areas and sub-areas, detailed assessment information, and many real property valuation reports by various political and administrative areas. View by other administrative areas such as DC Wards, ANCs, DC Squares, and by specific real property characteristics such as property type and/or sale date. If you have questions, comments, or suggestions regarding the Real Property Assessment Map, contact the Real Property Assessment Division GIS Program at (202) 442-6484 or maps.title@dc.gov.

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City of Washington, DC (2025). Basemap of DC [Dataset]. https://catalog.data.gov/dataset/basemap-of-dc

Basemap of DC

Explore at:
Dataset updated
Feb 4, 2025
Dataset provided by
City of Washington, DC
Area covered
Washington
Description

The DC Basemap provides a reference map for the District of Columbia projected in Web Mercator. Access the ArcGIS Rest endpoint. The basemap utilizes the most current planimetric and reference data available and represents the real world with foundation map layers derived from base data collection done in 2023.The service is provided by the Office of the Chief Technology Officer.

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