100+ datasets found
  1. m

    Maryland Property Data - Tax Maps Image Service

    • data.imap.maryland.gov
    • hub.arcgis.com
    • +1more
    Updated Sep 1, 2017
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    ArcGIS Online for Maryland (2017). Maryland Property Data - Tax Maps Image Service [Dataset]. https://data.imap.maryland.gov/datasets/351ef2fd456942919a5c1641608e8197
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    Dataset updated
    Sep 1, 2017
    Dataset authored and provided by
    ArcGIS Online for Maryland
    Area covered
    Description

    This Image Service of Maryland Property Data allows for the manipulation of the display properties of the Statewide Tax Maps dataset. This is a MD iMAP hosted service. Find more information at https://imap.maryland.gov.Image Service Link: https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/ImageServer

  2. d

    MD iMAP: Maryland Property Data - Parcel Points

    • catalog.data.gov
    • opendata.maryland.gov
    • +2more
    Updated May 10, 2025
    + more versions
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    opendata.maryland.gov (2025). MD iMAP: Maryland Property Data - Parcel Points [Dataset]. https://catalog.data.gov/dataset/md-imap-maryland-property-data-parcel-points
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    Dataset updated
    May 10, 2025
    Dataset provided by
    opendata.maryland.gov
    Area covered
    Maryland
    Description

    This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Please Note: Due to the extensive size of the parcel points file - download is recommended from the REST endpoint (https://geodata.md.gov/imap/rest/services/ PlanningCadastre/MD_PropertyData/MapServer/exts/MDiMapDataDownload/customLayers/0)This is a comprehensive point theme that incorporates parcel ownership and address information - parcel valuation information and basic information about the land and structure(s) associated with a given parcel. Data for the Parcel dataset are obtained from the State Department of Assessments and Taxation (SDAT) for all jurisdictions on monthly basis. For more information on the attribute definitions - please see the MDProperty View Subscriber's guide. Attribute definitions start on page 42. Last Updated: Feature Service Layer Link: https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/MapServer ADDITIONAL LICENSE TERMS: The Spatial Data and the information therein (collectively "the Data") is provided "as is" without warranty of any kind either expressed implied or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct indirect incidental consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.

  3. d

    MD iMAP: Maryland Property Data - Tax Map Grids

    • catalog.data.gov
    • opendata.maryland.gov
    • +2more
    Updated May 10, 2025
    + more versions
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    opendata.maryland.gov (2025). MD iMAP: Maryland Property Data - Tax Map Grids [Dataset]. https://catalog.data.gov/dataset/md-imap-maryland-property-data-tax-map-grids
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    Dataset updated
    May 10, 2025
    Dataset provided by
    opendata.maryland.gov
    Area covered
    Maryland
    Description

    This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This layer contains the boundaries and IDs of the Maryland tax maps produced by Maryland Department of Planning. Tax maps - also known as assessment maps - property maps or parcel maps - are a graphic representation of real property showing and defining individual property boundaries in relationship to contiguous real property. Last Updated: Feature Service Layer Link: https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/MapServer ADDITIONAL LICENSE TERMS: The Spatial Data and the information therein (collectively "the Data") is provided "as is" without warranty of any kind either expressed implied or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct indirect incidental consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.

  4. m

    Maryland Property Data - Parcel Points

    • data.imap.maryland.gov
    • dev-maryland.opendata.arcgis.com
    • +2more
    Updated Sep 18, 2021
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    ArcGIS Online for Maryland (2021). Maryland Property Data - Parcel Points [Dataset]. https://data.imap.maryland.gov/datasets/maryland-property-data-parcel-points
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    Dataset updated
    Sep 18, 2021
    Dataset authored and provided by
    ArcGIS Online for Maryland
    Area covered
    Description

    This is a comprehensive point theme that incorporates parcel ownership and address information, parcel valuation information and basic information about the land and structure(s) associated with a given tax assessment account. Data for the Parcel point theme are obtained from the State Department of Assessments and Taxation with added data from Maryland Department of Planning. The date the point was most recently published in Planning's data products MdProperty View and FINDER Quantum is contained in the mdpvdate field. The date of the most recent Assessments data linkage to MdProperty View/FINDER Quantum points is contained in the sdatdate field. Accounts deleted between those two dates are no longer represented as points. For more information on the attribute definitions please see the MdProperty View User's Guide, available for download at https://planning.maryland.gov/Pages/OurProducts/DownloadFiles.aspx . Please Note: Due to the extensive size of the parcel points file, download is recommended from the REST endpoint (https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/MapServer/exts/MDiMapDataDownload/customLayers/0)This is a MD iMAP hosted service layer. Find more information at https://imap.maryland.gov.Feature Service Layer Link:https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/MapServer/0**Please note, due to the size of this dataset, you may receive an error message when trying to download the dataset. You can download this dataset directly from MD iMAP Services at: https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/MapServer/exts/MDiMAPDataDownload/customLayers/0**

  5. m

    Maryland Property Data - Tax Map Grids

    • data.imap.maryland.gov
    • dev-maryland.opendata.arcgis.com
    • +1more
    Updated Apr 1, 2016
    + more versions
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    ArcGIS Online for Maryland (2016). Maryland Property Data - Tax Map Grids [Dataset]. https://data.imap.maryland.gov/datasets/maryland-property-data-tax-map-grids
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    Dataset updated
    Apr 1, 2016
    Dataset authored and provided by
    ArcGIS Online for Maryland
    Area covered
    Description

    This layer contains the boundaries and IDs of the Maryland tax maps produced by Maryland Department of Planning. Tax maps, also known as assessment maps, property maps or parcel maps, are a graphic representation of real property showing and defining individual property boundaries in relationship to contiguous real property.This is a MD iMAP hosted service layer. Find more information at https://imap.maryland.gov.Feature Service Layer Link:https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/MapServer/2

  6. a

    MDOT ORED Property Map Viewer (Tax)

    • dev-maryland.opendata.arcgis.com
    Updated Mar 3, 2023
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    ArcGIS Online for Maryland (2023). MDOT ORED Property Map Viewer (Tax) [Dataset]. https://dev-maryland.opendata.arcgis.com/datasets/mdot-ored-property-map-viewer-tax
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    Dataset updated
    Mar 3, 2023
    Dataset authored and provided by
    ArcGIS Online for Maryland
    Description

    Property Listings from the Maryland Department of Transportation's Office of Real Estate and Economic Development office. These properties are state-owned properties that are currently for sale, will be for sale, have a sale pending, or have recently sold.This map is updated when properties change categories or new properties become available. Use the interactive pop-up menus within the map for each property to view more information about the selected properties and to view the property in different maps and contexts. The state of Maryland is able to sell state-owned land periodically. This can involve public auctions as well. Please visit the Maryland Department of Transportation's Real Estate and Economic Development website for additional information: https://mdotrealestate.maryland.gov/Pages/default.aspx and check with their current tabular list of properties for the inventory.

  7. m

    Maryland Property Sales

    • data.imap.maryland.gov
    • hub.arcgis.com
    • +1more
    Updated Jan 9, 2025
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    ArcGIS Online for Maryland (2025). Maryland Property Sales [Dataset]. https://data.imap.maryland.gov/datasets/maryland-property-sales
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    Dataset updated
    Jan 9, 2025
    Dataset authored and provided by
    ArcGIS Online for Maryland
    Area covered
    Description

    For more information on the attribute definitions please see the MdProperty View User's Guide, available for download at https://planning.maryland.gov/Pages/OurProducts/DownloadFiles.aspx . **Please Note: Due to the extensive size of the parcel points file, download is recommended from the REST endpoint.This is a Maryland Department of Planning hosted service. Find more information at https://imap.maryland.gov.Feature Service Layer Link: https://mdpgis.mdp.state.md.us/arcgis/rest/services/PlanningCadastre/Property_Sales/MapServer/0

  8. e

    GIS Shapefile, Assessments and Taxation Database, MD Property View 2004,...

    • portal.edirepository.org
    zip
    Updated Dec 31, 2009
    + more versions
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    Jarlath O'Neil-Dunne; Morgan Grove (2009). GIS Shapefile, Assessments and Taxation Database, MD Property View 2004, Baltimore County [Dataset]. http://doi.org/10.6073/pasta/9653683f661ce2d3ed7596a3240fc595
    Explore at:
    zip(40188 kilobyte)Available download formats
    Dataset updated
    Dec 31, 2009
    Dataset provided by
    EDI
    Authors
    Jarlath O'Neil-Dunne; Morgan Grove
    Time period covered
    Jan 1, 2004 - Jan 1, 2005
    Area covered
    Description

    AT_2004_BACO

       File Geodatabase Feature Class
    
    
       Thumbnail Not Available
    
       Tags
    
       Socio-economic resources, Information, Social Institutions, Hierarchy, Territory, BES, Parcel, Property, Property View, A&T, Database, Assessors, Taxation
    
    
    
    
       Summary
    
    
       Serves as a basis for performing various analyses based on parcel data.
    
    
       Description
    
    
       Assessments & Taxation (A&T) Database from MD Property View 2004 for Baltimore County. The A&T Database contains parcel data from the State Department of Assessments and Taxation; it incorporates parcel ownership and address information, parcel valuation information and basic information about the land and structure(s) associated with a given parcel. These data form the basis for the 2004 Database, which also includes selected Computer Assisted Mass Appraisal (CAMA) characteristics, text descriptions to make parcel code field data more readily accessible and logical True/False fields which identify parcels with certain characteristics. Documentation for A&T, including a thorough definition for all attributes is enclosed. Complete Property View documentation can be found at http://www.mdp.state.md.us/data/index.htm under the "Technical Background" tab.
    
    
       It should be noted that the A&T Database consists of points and not parcel boundaries. For those areas where parcel polygon data exists the A&T Database can be joined using the ACCTID or a concatenation of the BLOCK and LOT fields, whichever is appropriate. (Spaces may have to be excluded when concatenating the BLOCK and LOT fields).
    
    
       A cursory review of the 2004 version of the A&T Database indicates that it has more accurate data when compared with the 2003 version, particularly with respect to dwelling types. However, for a given record it is not uncommon for numerous fields to be missing attributes. Based on previous version of the A&T Database it is also not unlikely that some of the information is inaccurate. This layer was edited to remove points that did not have a valid location because they failed to geocode. There were 5870 such points. A listing of the deleted points is in the table with the suffix "DeletedRecords."
    
    
       Credits
    
    
       Maryland Department of Planning
    
    
       Use limitations
    
    
       BES use only.
    
    
       Extent
    
    
    
       West -76.897802  East -76.335214 
    
       North 39.726520  South 39.192552 
    
    
    
    
       Scale Range
    
       There is no scale range for this item.
    
  9. d

    Tax Maps

    • catalog.data.gov
    • opendata.maryland.gov
    Updated Oct 11, 2025
    + more versions
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    opendata.maryland.gov (2025). Tax Maps [Dataset]. https://catalog.data.gov/dataset/tax-maps
    Explore at:
    Dataset updated
    Oct 11, 2025
    Dataset provided by
    opendata.maryland.gov
    Description

    Tax Maps and other affiliated layers. The comprehensive point theme incorporates parcel ownership and address information, parcel valuation information and basic information about the land and structure(s) associated with a given tax assessment account. Data for the Parcel point theme are obtained from the State Department of Assessments and Taxation with added data from Maryland Department of Planning. The date the point was most recently published in Planning's data products MdProperty View and FINDER Quantum is contained in the mdpvdate field. The date of the most recent Assessments data linkage to MdProperty View/FINDER Quantum points is contained in the sdatdate field. Accounts deleted between those two dates are no longer represented as points. For more information on the attribute definitions, please see the MdProperty View User's Guide, available for download at https://planning.maryland.gov/Pages/OurProducts/DownloadFiles.aspx . Tax maps, also known as assessments, property or parcel maps, are a graphic representation of real property showing and defining individual property boundaries in relationship to contiguous real property. The primary purpose of these maps is to help State tax assessors locate properties for assessments and taxation purposes. The maps contained herein are NOT to be construed or used as a "legal description". It is not a survey product and not to be used for the design, modification or construction of improvements to real property or for flood plain determination. Planning does not provide any guarantee of accuracy or completeness regarding the map information. Any errors or omissions should be reported to the Maryland Department of Planning Property Mapping Unit. In no event will Planning or the State of Maryland be liable for any damages, including but not limited to loss of data, lost profits, business interruption, loss of business information or any other pecuniary loss that might arise from the use of this map or information it contains. This is a MD iMAP hosted service layer. Find more information at https://imap.maryland.gov

  10. O

    Maryland Statewide Federal Lands

    • opendata.maryland.gov
    csv, xlsx, xml
    Updated May 22, 2013
    + more versions
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    MD Department of Natural Resources (2013). Maryland Statewide Federal Lands [Dataset]. https://opendata.maryland.gov/w/ti2z-uwkf/gz96-f9ea?cur=dyZSK-PxF4w&from=root
    Explore at:
    xlsx, xml, csvAvailable download formats
    Dataset updated
    May 22, 2013
    Dataset authored and provided by
    MD Department of Natural Resources
    Area covered
    Maryland
    Description

    This dataset consists of land areas that are run and maintained by U.S. Governmental authorities. These files were created for planning purposes and should not be used as a definitive source of mapped data for any of the associated types of land ownership. There have been intentional omissions due to sensitive data types and in some cases, the source documents cannot be considered complete.

    The Federal Lands data layer was updated to show the most current known lands presently owned by the Federal Government. The sources of the updates came from several sources (the US Park Service, Maryland Department of Planning, MD Property View, ed. 2005, etc.). Ownership status was checked over parcel boundaries and known property records for completeness and accuracy. US Postal properties were not included in this data set.

  11. e

    GIS Shapefile, Assessments and Taxation Database, MD Property View 2004,...

    • portal.edirepository.org
    zip
    Updated Dec 31, 2009
    + more versions
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    Jarlath O'Neil-Dunne; Morgan Grove (2009). GIS Shapefile, Assessments and Taxation Database, MD Property View 2004, Howard County [Dataset]. http://doi.org/10.6073/pasta/4869d2f59b4dc6ed020a257ac7c7e9a9
    Explore at:
    zip(13642 kilobyte)Available download formats
    Dataset updated
    Dec 31, 2009
    Dataset provided by
    EDI
    Authors
    Jarlath O'Neil-Dunne; Morgan Grove
    Time period covered
    Jan 1, 2003 - Jan 1, 2004
    Area covered
    Description

    AT_2004_HOWA

       File Geodatabase Feature Class
    
    
       Thumbnail Not Available
    
       Tags
    
       Socio-economic resources, Information, Social Institutions, Hierarchy, Territory, BES, Parcel, Property, Property View, A&T, Database, Assessors, Taxation
    
    
    
    
       Summary
    
    
       Serves as a basis for performing various analyses based on parcel data.
    
    
       Description
    
    
       Assessments & Taxation (A&T) Database from MD Property View 2004 for Howard County. The A&T Database contains parcel data from the State Department of Assessments and Taxation; it incorporates parcel ownership and address information, parcel valuation information and basic information about the land and structure(s) associated with a given parcel. These data form the basis for the 2004 Database, which also includes selected Computer Assisted Mass Appraisal (CAMA) characteristics, text descriptions to make parcel code field data more readily accessible and logical True/False fields which identify parcels with certain characteristics. Documentation for A&T, including a thorough definition for all attributes is enclosed. Complete Property View documentation can be found at http://www.mdp.state.md.us/data/index.htm under the "Technical Background" tab.
    
    
       It should be noted that the A&T Database consists of points and not parcel boundaries. For those areas where parcel polygon data exists the A&T Database can be joined using the ACCTID or a concatenation of the BLOCK and LOT fields, whichever is appropriate. (Spaces may have to be excluded when concatenating the BLOCK and LOT fields).
    
    
       A cursory review of the 2004 version of the A&T Database indicates that it has more accurate data when compared with the 2003 version, particularly with respect to dwelling types. However, for a given record it is not uncommon for numerous fields to be missing attributes. Based on previous version of the A&T Database it is also not unlikely that some of the information is inaccurate. This layer was edited to remove points that did not have a valid location because they failed to geocode. There were 1160 such points. A listing of the deleted points is in the table with the suffix "DeletedRecords."
    
    
       Credits
    
    
       Maryland Department of Planning
    
    
       Use limitations
    
    
       BES use only.
    
    
       Extent
    
    
    
       West -77.186932  East -76.699458 
    
       North 39.373967  South 39.099693 
    
    
    
    
       Scale Range
    
       There is no scale range for this item.
    
  12. d

    FederalLands

    • catalog.data.gov
    • opendata.maryland.gov
    • +2more
    Updated Apr 12, 2024
    + more versions
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    opendata.maryland.gov (2024). FederalLands [Dataset]. https://catalog.data.gov/dataset/federallands
    Explore at:
    Dataset updated
    Apr 12, 2024
    Dataset provided by
    opendata.maryland.gov
    Description

    This dataset consists of land areas that are run and maintained by U.S. Governmental authorities. These files were created for planning purposes and should not be used as a definitive source of mapped data for any of the associated types of land ownership. There have been intentional omissions due to sensitive data types and in some cases, the source documents cannot be considered complete. The Federal Lands data layer was updated to show the most current known lands presently owned by the Federal Government. The sources of the updates came from several sources (the US Park Service, Maryland Department of Planning, MD Property View, ed. 2005, etc.). Ownership status was checked over parcel boundaries and known property records for completeness and accuracy. US Postal properties were not included in this data set.

  13. O

    Baltimore City Property

    • opendata.maryland.gov
    Updated Nov 6, 2025
    + more versions
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    SDAT (State Department of Assessments and Taxation) and MDP (Maryland Department of Planning) (2025). Baltimore City Property [Dataset]. https://opendata.maryland.gov/Business-and-Economy/Baltimore-City-Property/qfyw-ryt6
    Explore at:
    kmz, xlsx, xml, kml, application/geo+json, csvAvailable download formats
    Dataset updated
    Nov 6, 2025
    Authors
    SDAT (State Department of Assessments and Taxation) and MDP (Maryland Department of Planning)
    License

    U.S. Government Workshttps://www.usa.gov/government-works
    License information was derived automatically

    Area covered
    Baltimore
    Description

    Please read all metadata before accessing the dataset. Note that records shown here are updated at different frequencies from data in products from MDP and SDAT. Please see the full documentation at https://data.maryland.gov/api/views/ed4q-f8tm/files/WtRzMltUzm25OasOCYtu7PgOGUfrplWsZTalSH4Iukg?download=true&filename=Real%20Property%20Records%20Documentation.pdf and review the dedicated metadata site (https://data.maryland.gov/dataset/Beta-Maryland-Statewide-Real-Property-Assessments-/ed4q-f8tm/about).

  14. Assessments and Taxation Database, MD Property View 2004, Baltimore County

    • search.dataone.org
    Updated Oct 14, 2013
    + more versions
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    Cary Institute Of Ecosystem Studies; Jarlath O'Neil-Dunne (2013). Assessments and Taxation Database, MD Property View 2004, Baltimore County [Dataset]. https://search.dataone.org/view/knb-lter-bes.352.570
    Explore at:
    Dataset updated
    Oct 14, 2013
    Dataset provided by
    Long Term Ecological Research Networkhttp://www.lternet.edu/
    Authors
    Cary Institute Of Ecosystem Studies; Jarlath O'Neil-Dunne
    Time period covered
    Jan 1, 2004 - Nov 17, 2011
    Area covered
    Description

    Assessments and Taxation (A and T) Database from MD Property View 2004 for Baltimore County. The A and T Database contains parcel data from the State Department of Assessments and Taxation; it incorporates parcel ownership and address information, parcel valuation information and basic information about the land and structure(s) associated with a given parcel. These data form the basis for the 2004 Database, which also includes selected Computer Assisted Mass Appraisal (CAMA) characteristics, text descriptions to make parcel code field data more readily accessible and logical True/False fields which identify parcels with certain characteristics. Documentation for A and T, including a thorough definition for all attributes is enclosed. Complete Property View documentation can be found at http://www.mdp.state.md.us/data/index.htm under the "Technical Background" tab. It should be noted that the A&T Database consists of points and not parcel boundaries. For those areas where parcel polygon data exists the A and T Database can be joined using the ACCTID or a concatenation of the BLOCK and LOT fields, whichever is appropriate. (Spaces may have to be excluded when concatenating the BLOCK and LOT fields). A cursory review of the 2004 version of the A and T Database indicates that it has more accurate data when compared with the 2003 version, particularly with respect to dwelling types. However, for a given record it is not uncommon for numerous fields to be missing attributes. Based on previous version of the A and T Database it is also not unlikely that some of the information is inaccurate. This layer was edited to remove points that did not have a valid location because they failed to geocode. There were 5870 such points. A listing of the deleted points is in the table with the suffix "DeletedRecords." This is part of a collection of 221 Baltimore Ecosystem Study metadata records that point to a geodatabase. The geodatabase is available online and is considerably large. Upon request, and under certain arrangements, it can be shipped on media, such as a usb hard drive. The geodatabase is roughly 51.4 Gb in size, consisting of 4,914 files in 160 folders. Although this metadata record and the others like it are not rich with attributes, it is nonetheless made available because the data that it represents could be indeed useful. This is part of a collection of 221 Baltimore Ecosystem Study metadata records that point to a geodatabase. The geodatabase is available online and is considerably large. Upon request, and under certain arrangements, it can be shipped on media, such as a usb hard drive. The geodatabase is roughly 51.4 Gb in size, consisting of 4,914 files in 160 folders. Although this metadata record and the others like it are not rich with attributes, it is nonetheless made available because the data that it represents could be indeed useful.

  15. m

    Maryland Parcel Boundaries

    • data.imap.maryland.gov
    • hub.arcgis.com
    • +1more
    Updated Sep 2, 2002
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    ArcGIS Online for Maryland (2002). Maryland Parcel Boundaries [Dataset]. https://data.imap.maryland.gov/datasets/maryland::maryland-parcel-boundaries/explore
    Explore at:
    Dataset updated
    Sep 2, 2002
    Dataset authored and provided by
    ArcGIS Online for Maryland
    Area covered
    Description

    This dataset contains parcel polygons of the entire state. Minimum attributes are available. This data is used to make a cached map service. For more information see https://planning.maryland.gov/pdf/OurProducts/propertyMapProducts/mdpusr.pdfThe parcel polygons can be downloaded from the Maryland Department of Planning's website at https://planning.maryland.gov/Pages/OurProducts/DownloadFiles.aspx.Map Service Link:https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_ParcelBoundaries/MapServer/0This is a MD iMAP hosted service. Find more information at https://imap.maryland.gov.

  16. e

    GIS Shapefile, Assessments and Taxation Database, MD Property View 2003,...

    • portal.edirepository.org
    zip
    Updated Dec 31, 2009
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    Jarlath O'Neil-Dunne; Morgan Grove (2009). GIS Shapefile, Assessments and Taxation Database, MD Property View 2003, Baltimore City [Dataset]. http://doi.org/10.6073/pasta/0f8258ab2aeb6dcbeb25b629917b9b67
    Explore at:
    zip(20756 kilobyte)Available download formats
    Dataset updated
    Dec 31, 2009
    Dataset provided by
    EDI
    Authors
    Jarlath O'Neil-Dunne; Morgan Grove
    Time period covered
    Jan 1, 2003 - Jan 1, 2004
    Area covered
    Description

    AT_2003_BACI_1

       File Geodatabase Feature Class
    
    
       Thumbnail Not Available
    
       Tags
    
       There are no tags for this item.
    
    
    
    
       Summary
    
       There is no summary for this item.
    
    
       Description
    
    
       MD Property View 2003 A&T Database. For more information on the A&T Database refer to the enclosed documentation. This layer was edited to remove spatial outliers in the A&T Database. Spatial outliers are those points that were not geocoded and as a result fell outside of the Baltimore City Boundary; 416 spatial outliers were removed from this layer. The field BLOCKLOT2 can be used to join this layer with the Baltimore City parcel layer.
    
    
       Credits
    
       There are no credits for this item.
    
    
       Use limitations
    
       There are no access and use limitations for this item.
    
    
       Extent
    
    
    
       West -76.713418  East -76.526031 
    
       North 39.374429  South 39.197452
    
  17. Assessments and Taxation Database, MD Property View 2004, Howard County

    • search.dataone.org
    Updated Oct 14, 2013
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    Cary Institute Of Ecosystem Studies; Jarlath O'Neil-Dunne (2013). Assessments and Taxation Database, MD Property View 2004, Howard County [Dataset]. https://search.dataone.org/view/knb-lter-bes.62.570
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    Dataset updated
    Oct 14, 2013
    Dataset provided by
    Long Term Ecological Research Networkhttp://www.lternet.edu/
    Authors
    Cary Institute Of Ecosystem Studies; Jarlath O'Neil-Dunne
    Time period covered
    Jan 1, 2004 - Nov 17, 2011
    Area covered
    Description

    Assessments and Taxation (A and T) Database from MD Property View 2004 for Howard County. The A andT Database contains parcel data from the State Department of Assessments and Taxation; it incorporates parcel ownership and address information, parcel valuation information and basic information about the land and structure(s) associated with a given parcel. These data form the basis for the 2004 Database, which also includes selected Computer Assisted Mass Appraisal (CAMA) characteristics, text descriptions to make parcel code field data more readily accessible and logical True/False fields which identify parcels with certain characteristics. Documentation for A&T, including a thorough definition for all attributes is enclosed. Complete Property View documentation can be found at http://www.mdp.state.md.us/data/index.htm under the "Technical Background" tab. It should be noted that the A&T Database consists of points and not parcel boundaries. For those areas where parcel polygon data exists the A&T Database can be joined using the ACCTID or a concatenation of the BLOCK and LOT fields, whichever is appropriate. (Spaces may have to be excluded when concatenating the BLOCK and LOT fields). A cursory review of the 2004 version of the A&T Database indicates that it has more accurate data when compared with the 2003 version, particularly with respect to dwelling types. However, for a given record it is not uncommon for numerous fields to be missing attributes. Based on previous version of the A&T Database it is also not unlikely that some of the information is inaccurate. This layer was edited to remove points that did not have a valid location because they failed to geocode. There were 1160 such points. A listing of the deleted points is in the table with the suffix "DeletedRecords." This is part of a collection of 221 Baltimore Ecosystem Study metadata records that point to a geodatabase. The geodatabase is available online and is considerably large. Upon request, and under certain arrangements, it can be shipped on media, such as a usb hard drive. The geodatabase is roughly 51.4 Gb in size, consisting of 4,914 files in 160 folders. Although this metadata record and the others like it are not rich with attributes, it is nonetheless made available because the data that it represents could be indeed useful.

  18. d

    Zip Codes - 5 Digit

    • catalog.data.gov
    • opendata.maryland.gov
    • +1more
    Updated Oct 11, 2025
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    opendata.maryland.gov (2025). Zip Codes - 5 Digit [Dataset]. https://catalog.data.gov/dataset/zip-codes-5-digit
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    Dataset updated
    Oct 11, 2025
    Dataset provided by
    opendata.maryland.gov
    Description

    This dataset is the Maryland ZIP codes based on the most current MD PropertyView data. In 1993, the Maryland Department of Planning and the Maryland State Highway Administration entered into a Data Base Usage Agreement with Bell Atlantic and Data Chromatics, Inc. to develop an enhanced street address map for Maryland. Zip Code boundary area files were one of the products derived from this partnership. The resulting boundary area files were intended to improve the cartographic quality and accuracy of the zip code boundary area files derived from the U.S. Census Bureau's post 1990 Census TIGER\Line Files (based on the Census Bureau's zip code tabulation areas, ZCTAs). Subsequent iterative improvements to the Zip Code boundary area files have been made using premise address information associated with mapped parcel records as provided in the Maryland Department of Planning's MdProperty View GIS product. The resulting files are meant to serve as a "good approximation" of zip codes as polygons (which in reality they are not) but are not official Zip Code maps and are not meant to be a substitute for any products offered by the U.S. Postal Service, the official source for zip code information. While there are no restrictions on their use we do recommend that they are best used with MdProperty View and that MDP makes no guarantee or warranty regarding the files. For information on the date of the data to each jurisdiction's corresponding MdProperty View edition, see the production schedule located here: https://planning.maryland.gov/Documents/OurProducts/PropertyMapProducts/Sched.pdf.

  19. GIS Shapefile - GIS Shapefile, Computer Assisted Mass Appraisal (CAMA)...

    • search.datacite.org
    • portal.edirepository.org
    Updated 2018
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    Cary Institute Of Ecosystem Studies; Jarlath O'Neil-Dunne; Morgan Grove (2018). GIS Shapefile - GIS Shapefile, Computer Assisted Mass Appraisal (CAMA) Database, MD Property View 2003, Baltimore City [Dataset]. http://doi.org/10.6073/pasta/475336d81ed769f583141d3939704d5e
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    Dataset updated
    2018
    Dataset provided by
    DataCitehttps://www.datacite.org/
    Environmental Data Initiative
    Authors
    Cary Institute Of Ecosystem Studies; Jarlath O'Neil-Dunne; Morgan Grove
    Description

    CAMA_2003_BACI_1

       File Geodatabase Feature Class
    
    
       Thumbnail Not Available
    
       Tags
    
       There are no tags for this item.
    
    
    
    
       Summary
    
       There is no summary for this item.
    
    
       Description
    
    
       MD Property View 2003 CAMA Database. For more information on the CAMA Database refer to the enclosed documentation. This layer was edited to remove spatial outliers in the CAMA Database. Spatial outliers are those points that were not geocoded and as a result fell outside of the Baltimore City Boundary. 254 spatial outliers were removed from this layer.
    
    
       Credits
    
       There are no credits for this item.
    
    
       Use limitations
    
       There are no access and use limitations for this item.
    
    
       Extent
    
    
    
       West -76.713415  East -76.526101 
    
       North 39.374324  South 39.200707 
    
    
    
    
       Scale Range
    
       There is no scale range for this item.
    
  20. d

    Zip Codes - 11 Digit

    • catalog.data.gov
    • opendata.maryland.gov
    Updated Oct 11, 2025
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    opendata.maryland.gov (2025). Zip Codes - 11 Digit [Dataset]. https://catalog.data.gov/dataset/zip-codes-11-digit
    Explore at:
    Dataset updated
    Oct 11, 2025
    Dataset provided by
    opendata.maryland.gov
    Description

    This dataset is the Maryland ZIP codes based on the most current MD PropertyView data. In 1993, the Maryland Department of Planning and the Maryland State Highway Administration entered into a Data Base Usage Agreement with Bell Atlantic and Data Chromatics, Inc. to develop an enhanced street address map for Maryland. Zip Code boundary area files were one of the products derived from this partnership. The resulting boundary area files were intended to improve the cartographic quality and accuracy of the zip code boundary area files derived from the U.S. Census Bureau's post 1990 Census TIGER\Line Files (based on the Census Bureau's zip code tabulation areas, ZCTAs). Subsequent iterative improvements to the Zip Code boundary area files have been made using premise address information associated with mapped parcel records as provided in the Maryland Department of Planning's MdProperty View GIS product. The resulting files are meant to serve as a "good approximation" of zip codes as polygons (which in reality they are not) but are not official Zip Code maps and are not meant to be a substitute for any products offered by the U.S. Postal Service, the official source for zip code information. While there are no restrictions on their use we do recommend that they are best used with MdProperty View and that MDP makes no guarantee or warranty regarding the files. For information on the date of the data to each jurisdiction's corresponding MdProperty View edition, see the production schedule located here: https://planning.maryland.gov/Documents/OurProducts/PropertyMapProducts/Sched.pdf.

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ArcGIS Online for Maryland (2017). Maryland Property Data - Tax Maps Image Service [Dataset]. https://data.imap.maryland.gov/datasets/351ef2fd456942919a5c1641608e8197

Maryland Property Data - Tax Maps Image Service

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Dataset updated
Sep 1, 2017
Dataset authored and provided by
ArcGIS Online for Maryland
Area covered
Description

This Image Service of Maryland Property Data allows for the manipulation of the display properties of the Statewide Tax Maps dataset. This is a MD iMAP hosted service. Find more information at https://imap.maryland.gov.Image Service Link: https://mdgeodata.md.gov/imap/rest/services/PlanningCadastre/MD_PropertyData/ImageServer

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